Mail Administration Guide
    
R
 
 -R argument (sendmail program) ( Index Term Link ) ( Index Term Link )
 
 R code (qf files) ( Index Term Link )
 
 R control line (sendmail.cf file) ( Index Term Link ) ( Index Term Link )
 
 R field (mailer description) ( Index Term Link )
 
 -r flag (mailer description) ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
 
 $r macro (sendmail program) ( Index Term Link ) ( Index Term Link )
 
 R macro (sendmail.cf file) ( Index Term Link ) ( Index Term Link )
 
 R rule set ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
 
 read timeouts ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
 
 rebuilding alias databases ( Index Term Link ) ( Index Term Link )
 
 recipients
  See also multiple recipients
  checking after (sendmail.cf file) ( Index Term Link )
  files as recipients of sendmail messages ( Index Term Link ) ( Index Term Link )
  programs as recipients of sendmail messages ( Index Term Link )
  selecting ( Index Term Link ) ( Index Term Link )
  sendmail names format for ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
  verifying ( Index Term Link ) ( Index Term Link )
 
 relay hosts
  See mail hosts
 
 relay mailers
  See mailers
 
 remote mail configuration ( Index Term Link ) ( Index Term Link )
 
 remote mode, mail client in ( Index Term Link )
 
 -request suffix, mailbox names ( Index Term Link )
 
 Return-Path: header line ( Index Term Link )
 
 returned messages
  See undelivered messages
 
 rewriting rules
  See addresses, rewriting rules
 
 RFCs
  configuration file construction and ( Index Term Link )
  RFC 821 ( Index Term Link ) ( Index Term Link )
  RFC 822 ( Index Term Link ) ( Index Term Link )
  RFC 976 ( Index Term Link )
  RFC 1006 ( Index Term Link )
 
 RHS, validating for aliases ( Index Term Link )
 
 right-hand side of mail addresses ( Index Term Link ) ( Index Term Link )
 
 rmail program ( Index Term Link )
 
 root alias
  NIS ( Index Term Link )
  /etc/mail/aliases file ( Index Term Link )
 
 route-based addressing ( Index Term Link )
 
 route-independent addressing ( Index Term Link )
 
 routers
  See also sendmail program
 
 routing
  explained ( Index Term Link ) ( Index Term Link )
  local addresses and ( Index Term Link )
 
 rules sets
  See addresses, rewriting rules