Index

Symbols

!, inuucp mail headers	4, 6
", in recipient names	66, 77
#
.....beginning ofsendmail.cf lines	77
$
.....inqf files	50
.....sendmail metasymbol specifier	88 to 91
.....sendmail special macrospecifier	84 to 88
$-
.....address-rewriting metasymbol	88
.....macro	86
$#mailer, address-rewritingmetasymbol	90
$%l, address-rewriting metasymbol	89
$%x, address-rewriting metasymbol	89
$%y, address-rewriting metasymbol	89
$*, address-rewriting metasymbol	88
$+, address-rewriting metasymbol	88
$:, address-rewriting metasymbol	90
$:user, address-rewritingmetasymbol	90
$=m class	88
$=w class	88
$=x, address-rewriting metasymbol	88
$>n, address-rewriting metasymbol	90
$@, address-rewriting metasymbol	90
$@host, address-rewriting metasymbol	90
$[host$], address-rewritingmetasymbol	90, 91
${x name$}, address-rewritingmetasymbol	90, 91
$~x, address-rewriting metasymbol	88
$n, address-rewriting metasymbol	90
$OPENWINHOME/bin/mailtoolcommand,Seemailtoolcommand
$x
.....address-rewriting metasymbol	88, 90
%, in mailbox names	9
(), in recipient names	66, 77
*
.....$* address-rewriting metasymbol	88
.....inpostmaster password field	47
-,See dash (-)
".", replying to	122
.,See dot (.)
/, in recipient names	67
<>, in recipient names	66, 77
?
.....headers and	82
.....in macros	87

@,See at sign (@)
@:@, in alias database	119
[],$[host$] address-rewritingmetasymbol	90, 91
\, in recipient names	66, 77
_, in mailbox names	8
{},${x name$} address-rewritingmetasymbol	90, 91
|
.....in macros	87
.....in recipient names	67

Numerics

-7 flag (mailer description)	125

A

A field (mailer description)	95
-a flag (mailer description)	123
$a macro (sendmail) program)	85, 87
-a option (aliasadmin command)	42
adding
.....aliases to/etc/mail/aliasesfile	45 to 46
.....aliases to NIS+ mail_aliases table	42
addresses	4 to 7, 23
.....% in	9
.....@ in	4, 7, 92
.....bang-style (!)	4, 6
.....case sensitivity	4, 5
.....comments excluded from	124
.....described	4 to 7
.....domain,See domain names
.....how addressing works	23 to 24
.....local	4, 9
.....mail	6 to 7
.....parsing bysendmail program	63, 83
.....resolution agents	2, 32
.....rewriting rules	68, 76 to 77, 84 to 96
............defining a rule (R)	83
............error message generation	93
............left-hand side	88
............mailers	90, 94 to 95
............metasymbols ($)	88 to 91
............right-hand side	89 to 91
............rule set 0	76, 92, 93, 97
............rule set 1	76, 77, 93, 98
............rule set 2	76, 93
............rule set 3	76, 92, 97, 98
............rule set 4	76, 93, 95
............rule set 9	97
............rule set 10	96
............rule set 11	96
............rule set 20	96
............rule set 21	96, 98
............rule set 24	98
............rule set R	76, 83
............rule set S	76, 83
............semantics	91 to 96
............setting current rule set (S)	83
............special classes	88
............special macros ($)	84 to 88
............standard rule sets	76 to 77
............testing	97 to 98
......route-based	6
......route-independent	7
......verifying	15, 56
administering mail configuration	49 to 55
......See also adding; changing;configuring; deleting
Administration Tool, Database Manager,alias administration and	37, 38, 40
aliasadmin command	41 to 43
......adding entries by command line (-a)	42
......adding entries by editing (-e)	42
......changing entries (-c)	43
......deleting entries (-d)	43
......described	15, 37, 41
......initiating tables (-I)	41
......listing all entries (-l)	41, 42
......listing individual entries (-m)	41, 43
aliases	9 to 10, 37 to 48
......alternative alias files, using	119
......creating	9 to 10, 37 to 48
............DNS aliases files	46

.........../etc/mail/aliases file	38, 44 to 46
...........examples	9 to 10
............mailrc file	37
...........newaliases program	38, 46
...........NIS aliases map	39, 43 to 44
...........NIS+ mail_aliases table	40 to 42
...........overview	9 to 10, 37
...........postmaster	47 to 48
...........user creation of	10
....defined	9
....disallowing aliasing	118
....DNS	46
....duplicate message copies and	63
..../etc/mail/aliases file
...........creating	38
...........described	38, 44 to 45
...........adding entries	45 to 46
...........binary form of	15
...........creating	44 to 46
...........deleting entries	46
...........described	8, 10, 15, 34
...........local mail and remote connectionconfiguration and	26
...........local mail only configurationand	25
...........NIS and	43 to 44
...........permissions setting for	38, 75
...........postmaster alias	45, 47 to 48
...........root alias	45
....host
...........DNS	46
...........NIS and NIS+	35
....initializing databases
...........NIS+ mail_aliases table	41
...........sendmail program argumentfor	117
....local addresses and	4
....loops	56, 63
....mail client configuration and	35
.....mailrc file	10, 37
....naming	9
....necessity for	9, 24
....NIS (mail.aliases map)	8, 43 to 44
...........administering	10, 39, 43 to 44
...........creating	39, 43 to 44
............described	39
............/etc/mail/aliases fileand	43 to 44
............host aliases	35
............postmaster alias	44, 47
............root alias	44
......NIS+ (mail_aliases table)	8, 40 to 43
............adding entries	42
............administering	10, 15, 41 to 43
............changing entries	43
............creating	40 to 42
............deleting entries	43
............described	40
............host aliases	35
............initiating	41
............listing	41
............postmaster alias	47
......permissions setting for databases	38, 75
......portability and flexibility of aliasfiles	9
......postmaster
............/etc/mail/aliases file	45, 47 to 48
............NIS or NIS+	44, 47
............setting up	47 to 48
......rebuilding databases	119, 120
......RHS validation for	120
......root
............/etc/mail/aliases file	45
............NIS	44
......sendmail usage of	18 to 19, 39, 63, 118
......SMTP inverts	3
......uniqueness requirements	37
......update-request handling	24
......user creation of	10
......uses for	9, 10
......verifying	55
aliases.dir file	15, 46
aliases.pag file	15, 46
angle brackets (<>), in recipientnames	66, 77
Apparently To: header line	82

argument vector template (mailerdescription)	95
argument vector/exit status interface(sendmail program)	62
arguments (sendmail program)
.....described,Seesendmail program,arguments to
.....processing	63
ARPANET mode argument (sendmailprogram)	117
asterisk (*)
.....$* address-rewriting metasymbol	88
.....inpostmaster password field	47
asynchronous delivery mode	72, 119
at sign (@)
.....$@ address-rewriting metasymbol	90
.....$@host address-rewritingmetasymbol	90
.....@:@ in alias database	119
.....appending @domain	123 to 124
.....in addresses	4, 7, 92
audio files, mailbox space requirementsand	13
automatic mounting,/var/maildirectory	34, 12
automatic reply,Seevacation command
automount_master file	34

B

-B argument (sendmail program)	117
B code (qf files)	50
-b flag (mailer description)	123
$b macro (sendmail program)	85, 87
-ba argument (sendmail program)	117
background delivery mode	72, 119
backslash (\), in recipient names	66, 77
backups, mail servers and	13
bang-style addressing	4, 6
Bcc: header line	118
-bd argument (sendmail program)	69, 117
-bi argument (sendmail program)	117
binary data, transmitting	64
blank lines
......forcing at end of messages	123
......sendmail.cf file	77
blank substitute,sendmail configurationoption	119
blind carbon copies	118
-bm argument (sendmail program)	117
body of mail messages	50, 63 to 64, 117
body type argument (sendmailprogram)	117
body type code (qf file)	50
bounced messages,See undeliveredmessages
-bp argument (sendmail program)	51, 117
brackets,See curly brackets ({}); squarebrackets ([])
-bs argument (sendmail program)	117
-bt argument (sendmail program)	56, 97 to 98, 117
-bv argument (sendmail program)	55, 117

C

-C argument (sendmail program)	70, 117
-c argument (sendmail program)	119
C class definition (sendmail.cf file)	21, 36, 79 to 80
C code (qf files)	50
-C flag (mailer description)	94, 123 to 124
-c flag (mailer description)	124
$c macro (sendmail program)	85, 87, 88
-c option (aliasadmin command)	43
cached connections	120
carbon copies	118
......See also multiple recipients
case sensitivity
......See also uppercase preservation
......classes	21, 79
......domain addresses	4, 5

.....macros	21, 77
Cc: header line	93, 118
changing
.....aliases in/etc/mail/aliasesfile	45 to 46
.....aliases in NIS+ mail_aliases table	43
checking aftern recipients (sendmail.cffile)	119
classes
.....C class definition	21, 36, 79 to 80
.....case sensitivity	21, 79
.....examples	80
.....F class definition	79
.....file containing	16
.....G class definition	21, 79 to 80
.....sendmailvars table and	16, 21 to 22, 79 to 80
.....sendmailvars.org_dir tableand	16, 21, 79 to 80
.....special	88
.....V class	21, 80
clients,See mail clients
colon (:)
.....$: address-rewriting metasymbol	90
.....$:user address-rewritingmetasymbol	90
command-line arguments,Seesendmailprogram, arguments to
comments, excluding from addresses	124
communications protocols,See protocols
conditionals (configuration)	87
configuration files
.....See alsomain.cf file;sendmail.cffile;subsidiary.cf file
.....alternative	70, 117
.....creating from scratch	96 to 98
.....default	20
.....described	19, 66
.....domain-based naming and	96
.....mail clients	20
.....mail gateways	20
.....mail hosts	20
.....mail servers	20
.....policies and	96
......purpose of	96 to 97
......RFCs and	96
......using existing,Seesendmail.cf file
configuration table (sendmailprogram)	6, 16, 21 to 22
configuration types	11 to 14, 24 to 29
......basic elements	11, 24, 32
......local mail and remote connection	26
......local mail only	25
......remote mail	25 to 26
......two domains and a gateway	27 to 29
......typical configuration	11, 26
configuring	31 to 48
......administering a configuration	49 to 55
......aliases,See aliases
......mail clients	34 to 35
......mail gateways	13 to 14, 32, 36 to 37
......mail hosts	12, 35, 36
......mail servers	33 to 34
......multifunction components	32
......overview	31 to 33
......preparation for	32
......security and	33
......testing a configuration	48
connections to other systems
......verifying	15, 57
continuation lines (sendmail.cf file)	77
CR ddn-gateway entry (sendmail.cffile)	36
creating
......See also adding; configuring
......aliases,See aliases, creating
......configuration files from scratch	96 to 98
......postmaster mailbox	47
crontab file	57
curly brackets ({}),${x name$} address-rewriting metasymbol	90, 91
custom mailers, user-specified	60

D

-d argument (sendmail program)	69, 98, 117
D code (qf files)	50
-D flag (mailer description)	124
$d macro (sendmail program)	85, 87
D macro definition (sendmail.cf file)	6, 21, 36, 77 to 79
-d option (aliasadmin command)	43
daemons
.....See alsosendmail daemon
.....listening daemon, listing PID of	16
.....MAILER-DAEMON	8, 57, 121
.....mail-notification daemon	17
...../usr/sbin/in.comsatdaemon	17
dash (-)
.....$- address-rewriting metasymbol	88
.....$- macro	86
.....mailbox names with	8
Database Manager (Administration Tool)
.....alias administration and	37, 38, 40
databases (alias),See aliases
Date: header line	87, 124
ddn mailer
.....mail gateway configuration and	36
.....specifying insendmail.cf	36
dead.letter files	65
debugging
.....See also testing; troubleshooting
.....mconnect program for	15, 57
.....sendmail program	69, 98, 117
.....version number macro and	87
decoding binary data	64
defaults
.....configuration files	20
...../etc/syslog.conf file	54 to 55
.....group ID for mailers	120
.....load limiting	72
.....log level	120
.....mailer	3
.....mailtool command	15
.....mailx command	16
......sendmail program	5, 36, 81, 117
......sendmail.cf file	36, 81
......syslogd message destination	53
....../var/mail directorypermissions	33
deleting
......aliases in/etc/mail/aliasesfile	46
......aliases in NIS+ mail_aliases table	43
......local host names	88
delivery agents,See mailers
delivery mode (sendmail.cf file)	20, 72, 119
delivery speed	20, 72
DeskSet Mail Tool, binary datatransmission and	64
desktop-publishing files, mailbox spacerequirements and	13
dfstab file	33
diagnostic information,Seetroubleshooting
directories
......See alsospecific directories
......mail queue	121
displaying,See listing
distribution lists, mailbox names and	8
Dmmaildomain entry (sendmail.cffile)	36
DMsmartuucp entry (sendmail.cffile)	36
DNS
......aliases files	46
......MX records	46, 122, 123
......NIS and	100, 101
......NIS+ and	100, 101
dollar sign ($)
......inqf files	50
......sendmail metasymbol specifier	88 to 91
......sendmail special macro specifier	84 to 88
domain aliases, DNS	46
domain names

.....See also addresses
.....case sensitivity	4, 5
.....class of	88
.....described	4 to 6
.....mail domain name	5, 21, 36, 98, 99 to 100, 101 to 102
.....namespace domain name	5
.....network domain name	5
.....network vs. mail	5
.....reverse-order	5
.....sendmail program and	60
.....SMTP appends	3
domains
.....defined	4
.....top-level U.S.	5
.....two domains and a gatewayconfiguration	27 to 29
dot (.)
.....hidden dot algorithm	125
.....ignoring dots in incomingmessages	119, 120
.....in domain addresses	4
.....in mailbox names	8
.....replying to "." in data	122
double quotation marks (")
.....in recipient names	66, 77
.....replying to "." in data	122
.....stripping before calling mailer	125
DR ddn-gateway entry (sendmail.cffile)	36, 77 to 78
dual-function components,configuring	32
duplicate message copies,troubleshooting	63

E

-e argument (sendmail program)	119
E code (qf files)	50
E field (mailer description)	95
-E flag (mailer description)	124
-e flag (mailer description)	94, 124
$e macro (sendmail program)	85
-e option (aliasadmin command)	42
editing,See adding; changing; deleting
empty messages, disallowing	119
encoding binary data	64
end-of-line indicator (mailerdescription)	95
envelope file	63
error detection,See debugging;troubleshooting
error handling,sendmail program	65, 119 to 120
error mailer	93
error messages
......address-rewriting rule set 0	93
......appending info to	119
......disallowing	120
......disposition of	119 to 120
......logger for	17, 53, 57, 73
......MAILER-DAEMON	121, 124
......MIME format	120
......printing	119
......sending back to sender	120
......"Services unavailable"	65
Errors-To: header line	82, 120
/etc/automount_master file	34
/etc/dfs/dfstab file	33
/etc/hosts file
......local mail and remote connectionconfiguration and	27
......local mail only configuration and	25
......loghost	55
......mail client configuration and	35
......mail hosts configuration and	35
......NIS mail.aliases map and	44
......remote mail configuration and	26
......sendmail address-rewriting rulesand	89, 91
/etc/inet/hosts file, designatingsystems as hosts in	12
/etc/mail directory, contents of	15 to 16
/etc/mail/aliases file
......See also aliases
......adding entries	45 to 46
......binary form of	15

.....creating	38, 44 to 46
.....deleting entries	46
.....described	8, 10, 15, 34, 38, 44 to 45
.....local mail and remote connectionconfiguration and	26
.....local mail only configuration and	25
.....NIS and	43 to 44
.....permissions setting for	38, 75
.....postmaster alias	45, 47 to 48
.....root alias	45
/etc/mail/aliases.dir file	15, 46
/etc/mail/aliases.pag file	15, 46
/etc/mail/Mail.rc file	15
/etc/mail/mailx.rc file	16
/etc/mail/main.cf file,Seemain.cffile
/etc/mail/sendmail.cf file,Seesendmail.cf file
/etc/mail/sendmail.hf file	16
/etc/mail/sendmail.pid file	16
/etc/mail/sendmail.st file	15, 16
/etc/mail/subsidiary.cf file	16, 20, 25, 26, 27
/etc/named.boot file	46
/etc/nsswitch.conf file	18, 21, 46
/etc/sendmailvars table	6, 16, 21 to 22, 77 to 80
/etc/syslog.conf file	54 to 55
/etc/vfstab file
.....local mail and remote connectionconfiguration and	27
.....mail clients and	13, 34
.....mail servers and	12
.....remote mail configuration and	26
...../var/mail directory mountingand	34, 12
ether mailer
.....described	3, 96
.....mail gateway configuration and	36
.....specifying insendmail.cf	36, 95 to 96
Ethernet, testing mail configuration on	48
exclamation point (!), inuucp mailheaders	4, 6
expensive mailers	119, 124
exporting/var directory	33

F

-F argument (sendmail program)	118
-f argument (sendmail program)	118
F class definition (sendmail.cf file)	79
F code (qf files)	50
F field (mailer description)	93 to 94
-F flag (mailer description)	95, 124
-f flag (mailer description)	93, 124
$f macro (sendmail program)	85, 87
file protection modes (sendmail.cffile)	20, 74 to 75
files
......See alsospecific files
......assendmail message recipients	64, 66
......mail-services	15 to 18
flags
......See alsosendmail program,arguments to
......mailer-description	74, 93 to 96, 103, 123 to 125
flushing queue, old messages only	71
forcing
......mail queue	52
......name service to run	120
......queue	52
forged names, avoiding	124
.forward files (sendmail program)	22, 120
forward slash (/), in recipient names	67
forwarding mail
......disallowing	118
......individual specification of	60
......search path setting for	120
......setting up	24
......troubleshooting mail problemsand	22

From: header line	93, 119, 120, 124, 125
Full-Name: header line	87, 125

G

G class definition (sendmail.cf file)	21, 79 to 80
-g flag (mailer description)	124
$g macro (sendmail program)	85, 87
gateways,See mail gateways
gethostbyname command	87, 100 to 101
gethostname command	87
greater than sign (>),$>n address-rewriting metasymbol	90
group ID for mailers, setting default	120
group mailing lists	60

H

-h argument (sendmail program)	118
H code (qf files)	51
-h flag (mailer description)	124
$h macro (sendmail program)	85, 87, 92, 95
hardware components	11 to 14
headers
.....Apparently To: line	82
.....Bcc: line	118
.....Cc: line	93, 118
.....Date: line	87, 124
.....defining insendmail.cf file	82
.....Errors-To: line	82, 120
.....From: line	93, 119, 120, 124, 125
.....Full-Name: line	87, 125
.....Message-Id: line	87, 124
.....old format	121
.....queue files	51
.....Return-Path: line	124
.....Return-Receipt-To: line	82
.....sendmail program and	63 to 64, 65, 67, 82
.....smartuucp	3
.....SMTP	3
......special interpretations	82
......To: line	82, 93, 118
......tracing message route via	57
......UNIX-styleFrom lines	119, 120, 124, 125
......uucp	3
......X-Authentication-Warning:line	121
help file, SMTP	16, 120
hidden dot algorithm	125
hop count	87, 118, 120
hosts file,See/etc/hosts file
hosts,See mail hosts
hosts.byname map (NIS)	89, 91, 100 to 102
hyphen (-),See dash (-)

I

-i argument (sendmail program)	119
-I flag (mailer description)	124
$i macro (sendmail program)	85, 87
-I option (aliasadmin command)	41
IDENT protocol timeout	122
ignoring dots in incoming messages	119, 120
in.comsat daemon	17
initializing alias databases
......NIS+ mail_aliases table	41
......sendmail program argumentfor	117
initiating queue file	122
input, stripping to seven bits	123
inserting,See adding
interactive delivery mode	72, 119
Internet,sendmail program as Internetmail gateway	61

J

$j macro (sendmail program)	85

K

$k macro (sendmail program)	85

L

L code (qf files)	51
L field (mailer description)	95, 124
-L flag (mailer description)	124
-l flag (mailer description)	124
$l macro (sendmail program)	85
L macro definition (sendmail.cf file)	6, 21, 36, 77 to 79
-l option (aliasadmin command)	41, 42
$%l, address-rewriting metabsymbol	89
left-hand side of mail addresses	88
limits,See load limiting; maximums; timeintervals
line length, limiting	124
links, in/usr/bin directory	15
listening daemon, listing PID for	16
listing
.....See also printing
.....mail queue	15
.....NIS+ mail_aliases table	41
.....PID of listening daemon	16
Lmmaildomain entry (sendmail.cffile)	36
load limiting (sendmail program)	20, 72 to 73, 123
local addresses	4, 9
local aliases file,See/etc/mail/aliases file
local mail and remote connectionconfiguration	26
local mail only configuration	25
local mailer	93, 95 to 96
local mode
.....mail client in	23
log
.....sendmail logging argument	118
.....system	17, 53 to 55, 57, 73
log level
....../etc/syslog.conf file	55
......sendmail.cf file	20, 73, 120
loghost (/etc/hosts file)	53, 55
loops, alias	56, 63
lowercase,See case sensitivity

M

-M argument (sendmail program)	52, 118
-m argument (sendmail program)	119
$=m class	88
M code (qf files)	51
M control line (sendmail.cf file)	84
-M flag (mailer description)	124
-m flag (mailer description)	93 to 94, 95, 124
$m macro (sendmail program)	85
m macro (sendmail.cf file)	6, 21, 36, 78, 86
-m option (aliasadmin command)	41, 43
macros (configuration)	21, 67
......case sensitivity	21, 77
......conditionals	87
......D macro definition	6, 21, 36, 77 to 79
......examples	78
......file containing	16
......L macro definition	6, 21, 36, 77 to 79
......m macro	6, 21, 36, 78, 86
......naming	77
......OM option	120
......p macro	86
......qf files	50
......R macro	36, 78
......required	85 to 86
......sendmailvars table and	6, 16, 21 to 22, 77 to 79
......sendmailvars.org_dir tableand	16, 21, 77 to 79
......special ($)	84 to 88
......uses for	67
mail addresses

.....See also addresses
.....defined	6 to 7
mail aliases,See aliases
mail client
.....local mode	23
.....remote mode	23
mail clients
.....configuration file for	20
.....configuring	34 to 35
.....defined	13, 32
.....local mail only configuration and	25, 26
.....mail server and	12
.....mailboxes automatically createdfor	34, 35
.....NFS-mounted file systems and	33, 34 to 35
.....remote mail configuration and	25
.....remote mode	13
mail command	2, 15, 18
mail configuration files,See configurationfiles
mail configurations,See configurationtypes
mail connections, testing	15, 57
mail daemons,See daemons
mail delivery agents,See mailers
mail delivery paths,See delivery paths
mail domain names	5, 21, 36, 98, 99 to 100, 101 to 102
.....See also domain names
mail exchange (MX) records (DNS)	46, 122, 123
mail forwarding,See forwarding mail
mail gateways
.....candidates for	36
.....configuration files for	20
.....configuring	13 to 14, 32, 36 to 37
.....defined	13, 32
.....local mail and remote connectionconfiguration and	26
.....security and	14
.....sendmail program as gateway	61
.....sendmail.cf file and	13, 20, 36
......SMTP and	3
......testing	48
......two domains and a gatewayconfiguration	27 to 29
mail headers,See headers
mail host
......remote mail configuration and	25
mail hosts	12
......address-rewriting rules	84 to 93
......aliases
............DNS	46
............NIS and NIS+	35
......candidates for	12, 35
......configuration file for	12, 20
......configuring	12, 35, 36
......defined	12, 32
......deleting local host names	88
......designating systems as	12
......dual-function	32
......local mail and remote connectionconfiguration and	26
......local mail only configuration and	25
......name services andsendmailprogram and	100 to 102
......name set for a host	88
......sendmail.cf file and	20, 35
......two domains and a gatewayconfiguration and	27
......uppercase preserved in names	124
mail hosts,See also/etc/hosts file
mail macros,See macros (configuration)
mail messages
......body of	50, 63 to 64, 117
......carbon copies	118
......collection bysendmail program	63 to 64
......delivery bysendmail program	64
......duplicate copies received	63
......empty, disallowing	119
......headers,See headers
......queue,See mail queue
......size setting	73
......timeouts	20, 71, 122
......tracking	57, 87

.....undelivered,See undeliveredmessages
mail problems,See debugging;troubleshooting
mail queue	49 to 52
.....delivering each job in separateprocess	123
.....described	49
.....directory for	121
.....flushing old messages	71
.....forcing	52
.....format of files	50 to 51
.....initiating queue file	122
.....listing	15
.....mail server and	12
.....moving	52
.....overlarge	51
.....printing	51 to 52, 117
.....queueing rather than running	121
.....retransmission and	65
.....running	51, 68, 118
.....running old	53
.....running subset	52, 118
.....temporary queue file mode	120
.....time interval for running	51, 68, 71, 118
.....timeouts for messages	20, 71, 122
mail queue delivery mode	72, 119
mail routers,See routers;sendmailprogram
mail security,See security
mail servers	12 to 13
.....backups and	13
.....candidates for	13
.....configuration file for	20
.....configuring	33 to 34
.....defined	12, 32
.....dual-function	32
.....local mail and remote connectionconfiguration and	26
.....local mail only configuration and	25
.....mail clients and	12
.....mailboxes on	7 to 9, 13
.....NFS-mounted file systems and	12, 33
.....remote mail configuration and	25
......security permissions on	33
......space requirements	13
......two domains and a gatewayconfiguration and	27
mail services
......administering	49 to 55
......configurations	11 to 14, 24 to 29, 32
......configuring	31 to 48
......hardware components	11 to 14
......planning mail systems	24 to 29
......programs and files	15 to 22
......software components	2 to 10
......testing	48
......troubleshooting	22, 55 to 58
mail transport agents
......See alsosendmail program
......defined	2
mail user agents
......described	2, 15
......mail command	2, 15, 18
......mailtool command	2, 15, 17, 63
......mailx command	2, 15, 16, 18, 63
mail.aliases map,See NIS, aliases(mail.aliases map)
mail.local mailer	16, 18
Mail.rc file	15
mail_aliases table,See NIS+, aliases(mail_aliases table)
mailboxes
......automatic creation bysendmailprogram	34, 35
......automatic mounting of	34
......defined	7, 12
......files for	16
......location of	7 to 8
......mail servers and	7 to 8, 13
......mailer for	16, 18
......naming	8
......necessity for	24
......NFS-mounted file systems and	7 to 8, 33
......postmaster,Seepostmastermailbox
......root in NIS	44

.....space requirements	13
.....spooling space for	33
mailcompat filter	15
MAILER-DAEMON	8, 57, 121, 124
mailers
.....custom, user-specified	60
.....ddn mailer	36
.....defined	3
.....error mailer	93
.....ether mailer	3, 36, 95 to 96
.....expensive	119, 124
.....group ID for, setting default	120
.....internal name	36, 67, 93
.....local mailer	93, 95 to 96
.....mail gateway configuration and	36
.....mail.local mailer	16, 18
.....smartuucp mailer	3, 36
.....Solaris mailers described	3 to 4
.....specifying insendmail
............flags for	103, 123 to 125
.....specifying insendmail.cf
............address-rewriting rules	90
............flags for	74, 93 to 96
............internal name specification(DM)	36, 67, 93
............program and interfacespecification (M)	84
............semantics of descriptions	93 to 96
.....user ID for, setting default	122
.....uucp mailer	4, 36, 48
.....uux mailer	4
mail-forwarding information,See/etc/mail/aliases file
mail-notification daemon	17
mailq command	15, 51 to 52, 121
.mailrc file	10, 37
mailsort program	66
mailstats program	15, 58
mailtool command
.....default settings for	15
.....described	2, 17
.....sendmail program interfacewith	63
mailx command
......alias expansion	18
......default settings	16
......described	2, 15
......sendmail program interfacewith	63
mailx.rc file	16
main.cf file
......See alsosendmail.cf file
......described	16, 20
......local mail and remote connectionconfiguration and	27
......mail gateway configuration and	20, 36
......mail host configuration and	12, 35, 36
......sample	105
map (aliases),See NIS, aliases (mail.aliasesmap)
maximums
......See also load limiting; time intervals
......cachable open connections	120
......cached connection idle time	120
......hop count	120
......line length	124
......message size	73
mconnect program	15, 57
message collection (sendmailprogram)	63 to 64
message delivery (sendmailprogram)	64
message headers,See headers
message queue,See mail queue
message timeouts	20, 71, 122
message tracking	57, 87
Message-Id: header line	87, 124
messages,See mail messages
metasymbols, address-rewriting rules	88 to 91
MIME format, error messages in	120
minus sign,See dash (-)
mounting
......See also NFS-mounted file systems

...../var/mail directory	12
mounting,/var/mail directory	34
moving
.....mail queue	52
mqueue directory	16, 50 to 51
multifunction components,configuring	32
multiple recipients	124
.....See also carbon copies
MX (mail exchange) records (DNS)	46, 122, 123

N

-n argument (sendmail program)	118
-n flag (mailer description)	124
$n macro (sendmail program)	85
name services
.....See also NIS; NIS+
.....forcing name service to run	120
.....sendmail program interactionwith	98 to 102
named.boot file	46
name-rewriting rules,See addresses,rewriting rules
namespace domain names	5
naming
.....See also addresses; domain names
.....aliases	9
.....forged name avoidance	124
.....macros	77
.....mail host name set	88
.....mailboxes	8
.....mailer internal names	36, 67, 93
.....schemes for,sendmail programand	60
.....sendmail recipient namesformat	66
net mail groups, mailbox names for	8
network domain names	5
New Zealand, domain names in	5
newaliases program	15, 38, 46
NFS-mounted file systems
......mail clients and	33, 34 to 35
......mail servers and	12, 33
......mailboxes and	7 to 8, 33
NIS
......aliases (mail.aliases map)	8, 43 to 44
............administering	10, 39, 43 to 44
............creating	39, 43 to 44
............described	39
............/etc/mail/aliases fileand	43 to 44
............host aliases	35
............postmaster alias	44, 47
............root alias	44
......DNS and	100, 101
......forwarding mail and	24
......hosts.byname map	89, 91, 100 to 102
......local mail and remote connectionconfiguration and	27
......local mail only configuration and	25
......mail domain name	99 to 100, 101
......remote mail configuration and	26
......sendmail program requirementsfor	98 to 102
NIS+
......aliases (mail_aliases table)	8, 40 to 43
............adding entries	42
............administering	10, 15, 41 to 43
............changing entries	43
............creating	40 to 42
............deleting entries	43
............described	40
............host aliases	35
............initiating	41
............listing	41
............postmaster alias	47
......DNS and	100, 101
......forwarding mail and	24
......host table	100 to 102
......local mail and remote connectionconfiguration and	27
......local mail only configuration and	25
......mail domain name	99 to 100, 101
......remote mail configuration and	26

.....sendmail program requirementsfor	98 to 102
.....sendmailvars.org_dir file	16, 21, 77 to 79, 79 to 80, 100
nistbladm command	100
notification daemon	17
nsswitch.conf file	18, 21, 46

O

-o argument (sendmail program)	118
.....See also sendmail.cf file, options
$o macro (sendmail program)	85
O7 option (sendmail.cf file)	123
OA option (sendmail.cf file)	119
Oa option (sendmail.cf file)	119
OB option (sendmail.cf file)	119
Ob option (sendmail.cf file)	119
OC option (sendmail.cf file)	119
Oc option (sendmail.cf file)	119
OD option (sendmail.cf file)	119
Od option (sendmail.cf file)	72, 119
OE option (sendmail.cf file)	119
Oe option (sendmail.cf file)	119 to 120
OF option (sendmail.cf file)	74, 120
Of option (sendmail.cf file)	120
Og option (sendmail.cf file)	74, 120
OH option (sendmail.cf file)	120
Oh option (sendmail.cf file)	120
OI option (sendmail.cf file)	120
Oi option (sendmail.cf file)	120
OJ option (sendmail.cf file)	120
Oj option (sendmail.cf file)	120
OK option (sendmail.cf file)	120
Ok option (sendmail.cf file)	120
OL option (sendmail.cf file)	120
Ol option (sendmail.cf file)	120
OM option (sendmail.cf file)	120
Om option (sendmail.cf file)	120
On option (sendmail.cf file)	120
OO option (sendmail.cf file)	120 to 121
Oo option (sendmail.cf file)	121
OP option (sendmail.cf file)	121
Op option (sendmail.cf file)	121
operation mode arguments (sendmailprogram)	117
options,Seesendmail.cf file, options
OQ option (sendmail.cf file)	121
Oq option (sendmail.cf file)	53, 73, 121
Or option (sendmail.cf file)	71, 122
OS option (sendmail.cf file)	122
Os option (sendmail.cf file)	122
OT option (sendmail.cf file)	71, 122
Ot option (sendmail.cf file)	122
Ou option (sendmail.cf file)	74, 122
output, stripping to seven bits	125
OV option (sendmail.cf file)	122
Ov option (sendmail.cf file)	122
Ow option (sendmail.cf file)	123
owner- prefix, mailbox names	9
OX option (sendmail.cf file)	72, 123
Ox option (sendmail.cf file)	72, 123
OY option (sendmail.cf file)	123
Oy option (sendmail.cf file)	123
OZ option (sendmail.cf file)	123
Oz option (sendmail.cf file)	123

P

-p argument (sendmail program)	118
P code (qf files)	51
P control line (sendmail.cf file)	81
P field (mailer description)	93
-P flag (mailer description)	124
-p flag (mailer description)	124
$p macro (sendmail program)	85, 87
p macro (sendmail.cf file)	86
parentheses (), in recipient names	66, 77
path names
.......forward files	120
......mailers	93
percent sign (%), in mailbox names	9

permissions,See security
PID, listing for listening daemon	16
planning mail systems	24 to 29
plus sign (+),$+ address-rewritingmetasymbol	88
postmaster alias
...../etc/mail/aliases file	45, 47 to 48
.....NIS or NIS+	44, 47
.....setting up	47 to 48
postmaster mailbox	8
.....creating	47 to 48
.....necessity for	24
.....testing	48
postmaster, duties of	49
PostScript files, mailbox spacerequirements and	13
pound sign (#)
.....$#mailer address-rewritingmetasymbol	90
.....beginning ofsendmail.cf lines	77
precedence setting (sendmail.cffile)	81
printing
.....error messages	119
.....mail queue	51 to 52, 117
priority factor	123
privacy options (sendmail.cf file)	121
problems,See debugging; troubleshooting
prog mailer name	93
programs
.....See alsospecific programs
.....assendmail message recipients	66
.....mail services	15 to 22
protocols
.....See also Ethernet; SMTP; TCP/IP;UUCP
.....sendmail program and	60
.....setting sending protocol	118

Q

-q argument (sendmail program)	53, 68, 71, 118, 121
$q macro (sendmail program)	85, 86
qf files	50 to 51
question mark (?)
......headers and	82
......in macros	87
queue delivery mode	72, 119
queue,See mail queue
queueing messages for retransmission(sendmail program)	65
quotation marks
......See also double quotation marks (")
......stripping before calling mailer	125

R

-R argument (sendmail program)	52, 118
R code (qf files)	51
R control line (sendmail.cf file)	83
R field (mailer description)	94
-r flag (mailer description)	93, 96, 124
$r macro (sendmail program)	85, 87
R macro (sendmail.cf file)	78
R rule set	76, 83
read timeouts	20, 71, 122
rebuilding alias databases	119, 120
recipients
......checking aftern (sendmail.cffile)	119
......files as recipients ofsendmailmessages	64, 66
......multiple,See multiple recipients
......programs as recipients ofsendmailmessages	66
......selecting	52, 118
......sendmail names format for	66, 76
......verifying	55, 117
relay hosts,See mail hosts
relay mailers,See mailers
remote mail configuration	25 to 26
remote mode
......mail client in	23
-request suffix, mailbox names	9

returned messages,See undeliveredmessages
Return-Path: header line	124
Return-Receipt-To: header line	82
rewriting rules,See addresses, rewritingrules
RFCs
.....configuration file constructionand	96
.....RFC 1006	96
.....RFC 821	124, 125
.....RFC 822	77, 96
.....RFC 976	96
RHS, validating for aliases	120
right-hand side of mail addresses	89 to 91
rmail program	15
root alias
...../etc/mail/aliases file	45
.....NIS	44
route-based addressing	6
route-independent addressing	7
routers	2, 18
.....See alsosendmail program
routing
.....explained	23 to 24
.....local addresses and	4
rules sets,See addresses, rewriting rules

S

-s argument (sendmail program)	119
S code (qf files)	51
S control line (sendmail.cf file)	83
S field (mailer description)	94 to 95
-S flag (mailer description)	74, 93, 124
-s flag (mailer description)	125
$s macro (sendmail program)	85, 87
S rule set	76, 83
security
.....aliases databases	38, 75
...../etc/mail/aliases file	38, 75
.....mail gateways and	14
.....mail servers	33
......sendmail.cf file protectionmodes	20, 74 to 75
......sendmail.cf privacy options	121
....../var/mail directory	33
......version number macro and	87
semantics
......address-rewriting rules	91 to 96
......mailer descriptions	93 to 96
senders, sending error messages to	120
sendmail program	18 to 22
......See alsosendmail.cf file
......address parsing	63, 83
......alias usage by	18 to 19, 39, 63
......argument processing	63
......argument vector/exit statusinterface	62
......arguments to	68 to 70, 117 to 119
............-B (body type)	117
............-b (operation mode)	117
............-ba (ARPANET mode)	117
............-bd (daemon mode)	69, 117
............-bi (initialize aliasdatabase)	117
............-bm (deliver mail)	117
............-bp (print mail queue)	51, 117
............-bs (SMTP on input side)	117
............-bt (test mode)	56, 97 to 98, 117
............-bv (verify recipients)	55, 117
............-C (alternative configurationfile)	70, 117
............-c (expensive mailers)	119
............-d (debugging)	69, 98, 117
............-e (error disposition)	119
............-F (full name of user)	118
............-f (obsolete)	118
............-h (hop count)	118
............-i (ignore dots)	119
............-M (message-ID)	118
............-m (send message to sender)	119
............-n (aliasing/forwardingdisallowed)	118
............-o (options)	118
...................See also sendmail.cf file, op-tions
............-p (sending protocol)	118

............-q (queue interval/queuesubset)	53, 68, 71, 118, 121
............-R (recipient selection)	52, 118
............-s (UNIX-styleFrom lines)	119
............-t (carbon copies)	118
............-T (queue timeout)	119
............-v (verbose mode)	53, 55, 118, 119
............-X (logging)	118
.....as Internet mail gateway	61
.....binary data and	64
.....configuration file,Seemain.cf file;sendmail.cf file
.....configuration overview	67 to 68
.....configuration parameter tuning	70 to 75
.....configuration table	6, 16, 21 to 22
.....debugging	69, 98, 117
.....defaults	5, 36, 81, 117
.....described	16, 17 to 18, 59, 60 to 62
.....error handling	65, 119 to 120
.....error message logger	17, 53 to 55, 57, 73
.....features	60 to 61
.....files as message recipients	64, 66
......forward files	22, 120
.....functions of	2, 17 to 18, 61 to 62
.....how it works	63 to 66
.....implementation	66 to 68
.....interaction with other mailprograms	61, 63
.....interface between user and	2
.....interfaces between outside worldand	62
.....mail queue and,See mail queue
.....mailbox creation by	34
.....message bodies and	63 to 64
.....message collection	63 to 64
.....message delivery	64
.....message headers and,See headers
.....name parsing	68
.....name services requirements	98 to 102
.....naming schemes accepted by	60
.....network vs. mail domain namesand	5
......policy and mechanics specificationfor	2 to 4
......programs as message recipients	66
......queue and,See mail queue
......recipient names format	66
......returned messages,See undeliveredmessages
......RFC 822 and	77
......"Services unavailable" message	65
......SMTP and	60, 62, 98, 117
......starting	69, 117
......system log and	17, 53 to 55, 57, 73
......TCP connections	62
......"temporary failure" exit status	65
......testing	56, 97 to 98, 117
....../usr/bin links to	15
sendmail.cf file	75 to 98
......# at beginning of lines	77
......address-rewriting rules	68, 76 to 77, 84 to 96
............defining a rule (R)	83
............error message generation	93
............left-hand side	88
............mailer-specific	90, 94 to 95
............metasymbols ($)	88 to 91
............purpose of	68, 76, 83
............right-hand side	89 to 91
............rule set 0	76, 92, 93, 97
............rule set 1	76, 77, 93, 98
............rule set 2	76, 93
............rule set 3	76, 92, 97, 98
............rule set 4	76, 93, 95
............rule set 9	97
............rule set 10	96
............rule set 11	96
............rule set 20	96
............rule set 21	96, 98
............rule set 24	98
............rule set R	76, 83
............rule set S	76, 83
............semantics of	91 to 96
............setting current rule set (S)	83
............special classes	88
............special macros ($)	84 to 88
............standard rule sets	76 to 77

............testing	97 to 98
.....blank lines in	77
.....classes
............C class definition	21, 36, 79 to 80
............case sensitivity	21
............examples	80
............F class definition	79
............file containing	16
............G class definition	21, 79 to 80
............sendmailvars table and	16, 21 to 22, 79 to 80
............sendmailvars.org_dir tableand	16, 21, 79 to 80
............special	88
............V class	21, 80
.....continuation lines in	77
.....defaults	36, 81
.....delivery mode	20, 72, 119
.....described	16, 17 to 18, 20 to 21, 66, 67, 75 to 77
.....file protection modes	20, 74 to 75
.....header definition (H)	67, 82
.....header special interpretations	82
.....load limiting	20, 72 to 73, 123
.....log level	20, 73, 120
.....macros
............case sensitivity	21, 77
............conditionals	87
............D macro definition	6, 21, 36, 77 to 79
............examples	78
............file containing	16
............L macro definition	6, 21, 36, 77 to 79
............m macro	6, 21, 36, 78, 86
............naming macros	77
............OM option	120
............p macro	86
............R macro	36, 78
............required macros	85 to 86
............sendmailvars table and	6, 16, 21 to 22, 77 to 79
............sendmailvars.org_dir tableand	16, 21, 77
............special ($)	84 to 88
............uses for	67
......mail clients and	20
......mail domain name specification (Dm,DR,Lm)	6, 21, 36, 77 to 79
......mail gateways and	13, 20, 36
......mail hosts and	20, 35
......mail servers and	20
......mailers
............address-rewriting rules for	90, 94 to 95
............described	3 to 4
............fields in mailer descriptions	93 to 96
............flags in mailer descriptions	93 to 96, 103, 123 to 125
............internal name specification(DM)	36, 67
............program and interfacespecification (M)	84
............semantics of mailerdescriptions	93 to 96
......name service interaction	98 to 102
......necessity for	24
......options
............O7 (7-bit input)	123
............Oa (@:@ in alias database)	119
............OA (alias file)	119
............OB (blank substitute)	119
............Ob (empty messagesdisallowed)	119
............OC (check aftern recipients)	119
............Oc (expensive mailers)	119
............Od (delivery mode)	72, 119
............OD (rebuild alias database)	119
............OE (append error messages)	119
............Oe (error disposition)	119 to 120
............OF (temporary queue filemode)	74, 120
............Of (UNIX-styleFrom lines)	120
............Og (group ID)	74, 120
............Oh (hop count)	120
............OH (SMTP help file)	120
............Oi (ignore dots)	120
............OI (name server)	120
............OJ (.forward file searchpath)	120

............Oj (MIME error messageformat)	120
............OK (cached connection idletime)	120
............Ok (maximum open connectionscachable)	120
............Ol (Errors-To:header)	120
............OL (log level)	120
............OM (macro)	120
............Om (send to sender)	120
............On (RHS validation)	120
............Oo (old format headers)	121
............OO (server SMTP options)	120 to 121
............OP (MAILER-DAEMON errormessages)	121
............Op (privacy options)	121
............OQ (queue directory)	121
............Oq (queue factor)	53, 73, 121
............Or (read timeouts)	71, 122
............Os (queue file initiation)	122
............OS (statistics)	122
............OT (queue timeout)	71, 122
............Ot (time zone)	122
............Ou (user ID for mailers)	74, 122
............OV (low priority MX)	122
............Ov (verbose mode)	122
............overview	68, 81
............Ow (direct connect to host)	123
............OX (load average value)	72, 123
............Ox (load average value)	72, 123
............OY (job delivery)	123
............Oy (priority factor)	123
............OZ (priority factor)	123
............Oz (priority factor)	123
.....precedence setting (P)	81
.....purpose of	75 to 77
.....sample	105
.....syntax	77 to 82
.....time intervals	20, 70 to 72
............mail delivery speed	20, 72
............message timeouts	20, 71, 122
............queue interval	51, 68, 71, 118
............read timeouts	20, 71, 122
............time syntax options	70
.....trusted user definition (T)	81
......tuning parameters	70 to 75
......variables
............global vs. local	21
............setting	6, 16, 21 to 22, 36, 77 to 80
sendmail.hf file	16
sendmail.mx program	18
sendmail.pid file	16
sendmail.st file	15, 16
sendmailvars table	6, 16, 21 to 22, 77 to 80
sendmailvars.org_dir table	16, 21, 77 to 80, 100
send-only mode	15
servers,See mail servers
"Services unavailable" message	65
setting up,See configuring
setuid,sendmail program and	74
seven-bit input	123
sharing/var directory	33
Simple Mail Transfer Protocol,See SMTP
size of messages	73
slash,See backslash (\); forward slash (/)
smartuucp mailer	3, 36
SMTP (Simple Mail Transfer Protocol)
......Extended, running	123
......headers	3
......help file for	16, 120
......local host name added toFrom:line	124
......mail delivery agent	2 to 4
......mailer description semantics and	95
......selecting when contacting anothersendmail	124
......sendmail program and	60, 62, 98, 117
SMTP ports,mconnect cannot connectto	57
SMTP servers
......load limiting and	72, 123
......setting options	120 to 121
software components	2 to 10
speed
......See also time intervals

.....mail-delivery	20, 72
spooling space, mail servers	33
square brackets ([]),$[host$] address-rewriting metasymbol	90, 91
statistics	15, 122
stripping
.....input to seven bits	123
.....output to seven bits	125
.....quotation marks before callingmailer	125
subsidiary.cf file	16, 20, 25, 26, 27
SunOS 4.1
.....filter for mailbox format	15
synchronous delivery mode	72, 119
syntax
.....sendmail.cf file	77 to 82
.....time syntax options	70
syslog.conf file	54 to 55
syslogd program	17, 53 to 55
system log	17, 53 to 55, 57, 73

T

-T argument (sendmail program)	119
-t argument (sendmail program)	118
T code (qf files)	51
$t macro (sendmail program)	85, 87
table (aliases),See NIS+, aliases(mail_aliases table)
TCP connections
.....mailer description semantics and	93, 95
.....SMTP over,sendmail programand	62
TCP/IP networks
.....mail delivery agent for	2 to 3
.....sendmail program and	60
"temporary failure" exit status,sendmailprogram	65
temporary file protection modes	74
temporary queue file mode	120
testing
.....See also debugging; troubleshooting
......address-rewriting rules	97 to 98
......aliases	55
......connections to other systems	15, 57
......mail configuration	48
......recipient verification	55, 117
......RHS for aliases	120
......sendmail program	56, 97 to 98, 117
time intervals	20, 70 to 72
......@:@ in alias database	119
......mail delivery speed	20, 72
......message timeouts	20, 71, 122
......queue interval	51, 68, 71, 118
......read timeouts	20, 71, 122
......time syntax options	70
time zone, setting	122
To: header line	82, 93, 118
top-level domains	5
tracking messages	57, 87
transport agents
......See alsosendmail program
......defined	2
troubleshooting	22, 55 to 58
......See also debugging; testing
......aliases	55
......duplicate message copies	63
.......forward files and	22
......mail delivered to wrong address	22
......MAILER-DAEMON messages and	57
......mailstats program and	58
......sendmail program	56
......system log and	57
......tracing message route	57, 87
......undelivered mail	22, 55
......verifying connections to othersystems	57
trusted user definition (sendmail.cffile)	81

U

-U flag (mailer description)	125
-u flag (mailer description)	125
$u macro (sendmail program)	85, 87, 92, 93, 95

undelivered messages
.....See also troubleshooting
.....error-caused	65
.....storage of	16, 65
.....timeout for	20, 71, 122
.....troubleshooting	22, 55
underscore (_), in mailbox names	8
United Kingdom
.....domain names in	5
United States
.....top-level domains	5
UNIX argument vector/exit statusinterface,sendmailprogram	62
UNIX over pipes interface,sendmailprogram	62
UNIX-styleFrom lines	119, 120, 124, 125
UNIX-to-UNIX Copy,Seeuucp mailer;UUCP (UNIX-to-UNIX CopyProtocol)
uppercase preservation
.....See also case sensitivity
.....host names	124
.....user names	125
user agents,See mail user agents
user ID for mailers
.....resetting not done	124
.....setting default	122
user names
.....mailbox names and	8
.....uppercase preserved	125
users
.....alias creation by	10
.....custom mailer specification by	60
.....full name argument (sendmailprogram)	118
/usr/bin directory, mail servicescontents	15
/usr/bin/aliasadmin command,Seealiasadmin command
/usr/bin/mail command	2, 15, 18
/usr/bin/mailcompat filter	15
/usr/bin/mailq command	15, 51 to 52, 121
/usr/bin/mailstats program	15, 58
/usr/bin/mailx command,Seemailxcommand
/usr/bin/mconnect program	15, 57
/usr/bin/newaliases program	15, 38, 46
/usr/bin/rmail program	15
/usr/bin/vacation command	15, 60, 66
/usr/lib directory, mail servicescontents	16
/usr/lib/mail.local mailer	16, 18
/usr/lib/sendmail program,Seesendmail program
/usr/sbin/in.comsat daemon	17
/usr/sbin/syslogd error messagelogger	17, 53 to 55
UUCP (UNIX-to-UNIX Copy Protocol)
......mailer description semantics and	95
......mailers using	3
......route-based addressing and	6
......route-independent addressing and	7
......sendmail program and	60
uucp mailer
......described	4
......mail gateway configuration and	36
......sendmail program and	18
......specifying insendmail.cf	36
......testing mail configuration with	48
uux mailer	4

V

-v argument (sendmail program)	53, 55, 118, 119
V class (sendmail.cf file)	21, 80
$v macro (sendmail program)	85, 87
vacation command	15, 60, 66
validating,See testing
/var directory	33
/var/mail directory

.....automatic mounting of	34, 12
.....local mail and remote connectionconfiguration and	26
.....local mail only configuration and	25
.....mail client configuration and	34, 35
.....mail servers configuration and	12, 33 to 34
.....mailboxes created bysendmailprogram in	34
.....mounting	12, 34
.....remote mail configuration and	26
.....remote mail only configurationand	26
.....security permissions	33
/var/mail/username files	7, 18
/var/spool/mqueue directory	16, 50 to 51
variables (sendmail.cf file)	6, 16, 21 to 22, 36, 77 to 80
verbose mode (sendmail program)	53, 55, 118, 119, 122
verifying,See testing
version number macro, security and	87
vertical bar (|)
.....in macros	87
.....in recipient names	67
vfstab file,See/etc/vfstab file

W

$=w class	87
$w macro (sendmail program)	85, 87

X

-X argument (sendmail program)	118
-X flag (mailer description)	125
-x flag (mailer description)	125
$x macro (sendmail program)	86, 87
$%x, address-rewriting metabsymbol	89
X-Authentication-Warning: header
.....line	121

Y

$%y, address-rewriting metabsymbol	89

Z

$z macro (sendmail program)	86, 87