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! exclamation line 
" " quotation marks  [See quotation marks]
# indicating comments  [See comments]
$ dollar sign  2nd 
$ operators  2nd  3rd 
    literal error messages and 
    macro conditionals and 
    rules and 
$ prefixes 
    class names and 
    macro conditionals and 
$ rule testing command 
$& prefix  2nd 
$: prefix 
$= rule-testing command 
$={checkMIMEFieldHeaders} class 
$={checkMIMEHeaders} class 
$={checkMIMETextHeaders} class 
$={ResOk} class 
$=b class 
$=e class 
$=k class 
$=m class 
$=n class 
$=q class 
$=R class 
$=s class 
$=t class 
$=w class 
$@ delivery agent part 
$@ DSN code 
$@ prefix 
$_ macro  2nd  3rd 
${addr_type} macro 
${alg_bits} macro 
${auth_authen} macro 
${auth_author} macro 
${auth_ssf} macro 
${auth_type} macro 
${bodytype} macro 
${cert_issuer} macro 
${cert_md5} macro 
${cert_subject} macro 
${cipher_bits} macro 
${cipher} macro 
${client_addr} macro 
${client_name} macro 
${client_port} macro 
${client_resolve} macro 
${cn_issuer} macro 
${cn_subject} macro 
${currHeader} macro 
${envid} macro 
${hdr_name} macro 
${hdrlen} macro 
${if_addr_out} macro 
${if_addr} macro 
${if_family_out} macro 
${if_family} macro 
${if_name_out} macro 
${if_name} macro 
${load_avg} macro 
${mail_addr} macro 
${mail_host} macro 
${mail_mailer} macro 
${msg_size} macro 
${MTAHost} macro 
${nrcpts} macro 
${ntries} macro 
${opmode} macro 
${queue_interval} macro 
${rcpt_addr} macro 
${rcpt_host} macro 
${rcpt_mailer} macro 
${sendmailMTACluster} macro 
${server_addr} macro 
${server_name} macro 
${tls_version} macro 
${verify} macro 
$a macro 
$b macro 
$B macro 
$c macro 
$C macro 
$d macro 
$E macro 
$f macro 
$F macro 
$g macro 
$h macro  2nd 
$H macro 
$i macro 
$j defined-macro 
$j macro  2nd 
$k macro  2nd 
$L macro 
$m macro 
$M macro 
$n macro  2nd 
$o macro 
$p macro 
$q macro 
$r macro  2nd  3rd  4th 
$R macro 
$s macro  2nd  3rd 
$S macro 
$t macro 
$u macro 
$U macro 
$v macro 
$V macro 
$w macro  2nd 
$W macro 
$x macro 
$X macro 
$y defined-macro 
$y macro 
$Y macro 
$z macro 
$Z macro 
% delivery agent flag 
% in addresses 
&before array warning message 
' 'single quotation marks 
* in mail queue listing  2nd 
*file* delivery agent 
*include* delivery agent  2nd 
+ plus sign 
-7 mail.local switch 
-A Build switch 
-A command-line switch 
-A database switch 
-a database switch 
-a vacation switch 
-b command-line switch 
-B command-line switch 
-b command-line switch 
-b database switch, regex and 
-b mail.local switch 
-ba command-line switch 
-bd command-line switch  2nd 
-bD command-line switch 
-bd command-line switch 
-bH command-line switch 
-bh command-line switch 
-bi command-line switch  2nd  3rd 
-bm command-line switch 
-bp command-line switch 
-bP command-line switch 
-bp command-line switch 
-bs command-line switch 
-bt command-line switch  2nd 
-bv command-line switch  2nd 
-bz command-line switch 
-c Build switch 
-C command-line switch 
-c command-line switch 
-c mailstats switch 
-C mailstats switch 
-c makemap switch 
-C makemap switch 
-C praliases switch 
-C vacation switch 
-d command-line switch  2nd  3rd  4th 
    reference guide to 
    syntax of 
-D database switch 
-d database switch
    regex and 
-d mail.local switch 
-D mail.local switch 
-d makemap switch 
-d vacation switch 
-d0.4 debugging switch  2nd 
-DMILTER compile-time macro 
-E Build switch 
-E command-line switch 
-e command-line switch 
-e makemap switch 
-f Build switch 
-F command-line switch 
-f command-line switch 
    F=f delivery agent flag and 
    trusted users and 
-f database switch 
-f mail.local switch 
-f mailstats switch 
-f makemap switch 
-f praliases switch 
-f vacation switch 
-G command-line switch 
-h command-line switch 
    ph database type and 
-I Build switch 
-I command-line switch 
-i command-line switch 
-i vacation switch 
-J command-line switch 
-k command-line switch, ph database type and 
-k database switch 
-L Build switch 
-L command-line switch 
-l database switch 
-L linker switch 
-l linker switch 
-l mail.local switch 
-l makemap switch 
-l vacation switch 
-m Build switch 
-M command-line switch 
-m command-line switch 
-M command-line switch 
-m database switch 
-m vacation switch 
-n Build switch 
-N command-line switch 
-n command-line switch 
    for disabling aliasing 
-N database switch 
-N makemap switch 
-n switch 
-O command-line switch 
-o command-line switch 
-O database switch 
-o database switch 
-o mailstats switch 
-o makemap switch 
-odd command-line switch 
-odq command-line switch 
-p command-line switch 
-p mailstats switch 
-P mailstats switch 
-Q Build switch 
-q command-line switch  2nd  3rd  4th 
-q database switch 
-q1h command-line switch 
-qG command-line switch 
-qp command-line switch 
-R command-line switch 
-r command-line switch (deprecated) 
-r mail.local switch 
-r makemap switch 
-r switch 
-r vacation switch 
-S Build switch 
-s command-line switch 
-s database switch  2nd 
-s makemap switch 
-s vacation switch 
-T command-line switch 
-t command-line switch 
    V8.12 and 
-T database switch 
-t database switch 
-t makemap switch 
-U command-line switch 
-u makemap switch 
-U vacation switch 
-v Build switch 
-v command-line switch  2nd  3rd 
-V command-line switch 
-v command-line switch 
-v database switch 
-v makeup switch 
-X command-line switch  2nd 
-x command-line switch 
-x vacation switch 
-z database switch 
-z vacation switch 
. dot  2nd  3rd 
.C rule-testing command 
.D rule-testing command 
/ character in alias  2nd 
/ delivery agent flag 
/= delivery agent equate 
/bin/mail 
/canon rule-testing command 
/dev/kmem file 
/etc/hosts file 
/etc/mail directory 
/etc/mail, files moved there 
/etc/mail/aliases 
/etc/mail/local-host-names file 
/etc/mail/sendmail.cf 
/etc/sendmail.ct file 
/etc/sendmail.cw file 
/etc/shells file  2nd 
/etc/syslog.conf file 
/map rule-testing command 
/mx rule-testing command 
/parse rule-testing command 
/try rule-testing command 
/tryflags rule-testing command 
: delivery agent flag 
:include: directive  2nd  3rd  4th  5th 
? for delivery agent flags 
@ delivery agent flag 
@ symbol in addresses 
\ backslash  2nd 
_CF_DIR_ m4 macro 
_PATH... compile-time macros 
{ } curly braces  2nd 
{checkMIMEFieldHeaders} class 
{checkMIMEHeaders} class 
{checkMIMETextHeaders} class 
{persistentMacros} class 
{tls} class 
| delivery agent flag 
| in addresses 
| prefix  2nd 
~/.forward file  2nd 
    C line and 
    ForwardPath option and 
    of individual user  2nd  3rd  4th 
    software for 
    troubleshooting 
0 delivery agent flag 
1 delivery agent flag 
2 delivery agent flag 
3 delivery agent flag 
44bsd, automatically defined 
5 delivery agent flag 
6 delivery agent flag 
7 bit headers 
7 delivery agent flag 
7-bit encoding 
8 delivery agent flag 
8-bit encoding  2nd 
9 delivery agent flag