[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z] m class  M configuration command  2nd  3rd  m delivery agent flag  M delivery agent flag  M line (qf file)  2nd  M option  2nd  M rule-testing command  M= delivery agent equate  m= delivery agent equate  m4 preprocessor     class macros and      database-maps and      rule sets and  MACBUFSIZE compile-time macro  Macintosh  macro database type  macros      class macros      command-line syntax for      for compiling sendmail         troubleshooting      config file definitions      config file syntax for      defining  2nd  3rd      expanding          recursive expansion and      file class macros      in header fields      initializing      for mc configuration (list)      mc preprocessor      naming  2nd      preassigned      for relaying      required (V8.6 and earlier)      restoring macro values      in rule set names      in rules      types of      with $&      with $?  MAIL command (SMTP)  mail filter  mail.local program  mail messages      blank lines ending      body of  2nd      body type, specifying      bouncing  [See bouncing messages]     converting between 7- and 8-bit      delivering  [See delivery]     envelope  [See envelope]     forged      forwarding      forwarding loops and      headers for  [See headers]     holding      hop count and  2nd      maximum per connection      priority of  [See priority, for mail messages]     processing limits on      redirecting  [See aliases/aliasing]     rejecting      relays for      size of  2nd      stored in queue in error      time placed in queue      unique identifier for  mail program  Mail Submission Agent (MSA), changing default port for  mail transfer agents  [See transfer agents, ignoring MX records and] mail user agents (MUAs)  2nd  Mail-From: header line  MAIL_HUB mc macro  mail11 delivery agent  mail11 program  mailbox file  MAILER( ) m4 macro  2nd  MAILER( ) mc command  MAILER-DAEMON alias  2nd  3rd  mailer= equate (syslog output)  MAILER_DEFINITIONS m4 command  mailertable feature  mailing lists  2nd  3rd  4th      EXPN command for (SMTP)      internal      owner of, defining      software for automated management of      troubleshooting  mailq command  2nd  Majordomo package  make depend  Makefile  makemap program  manual pages  manuals  MAP_NSD compile-time macro  MAP_REGEX compile-time macro  MASQUERADE_AS m4 command  MASQUERADE_AS mc macro  MASQUERADE_DOMAIN mc macro  MASQUERADE_DOMAIN_FILE mc macro  masquerade_entire_domain feature  masquerade_envelope feature  MASQUERADE_EXCEPTION mc macro  masquerading  2nd  3rd  4th  5th  MATCHGECOS compile-time macro  matching tokens  2nd      minimum matching and  MAX... compile-time macros  maximum line length  2nd  maximum recipients  mc configuration      $Z macro and      database-maps and      delivery agent configuration and      directives for      headers and      macros for          list  mc files  2nd  mc preprocessor      comments in files      configuration version  MDAs  [See delivery agents] members, adding to classes  MEMCHUNKSIZE compile-time macro  Mende, Bob  message headers  [See headers, message] message queues  [See queues] Message-ID: header line  2nd  3rd  4th  Message: header line  message_volume.sh script  messages  [See mail messages error messages] messages per connection, maximum  MeToo option  MILTER compile-time macro  Milter library  MIME (Multipurpose Internet Mail Extensions)      headers for  MIME-Version: header line  MIME7TO8 compile-time macro  MIME8TO7 compile-time macro  MinQueueAge option  modes     TempFileMode option  MODIFY_MAILER_FLAGS configuration command  mqueue directory  [See queue directories] MSA (Mail Submission Agent), changing default port for  msgid= equate (syslog output)  msp feature      ${MTAHost}and  MTAs (transfer agents)  MUAs (mail user agents)  2nd  Muegel, Michael S.  multiple recipients  Multipurpose Internet Mail Extensions (MIME)      headers for  MX records  2nd      bestmx database-map type      bestmx_is_local feature      F=0 delivery agent flag      ignored by mail transfer agents      looking up for addresses      offsite hosts      with wildcards  Myers, John Gardiner