sendmail

Adapt an existing configuration

/etc/sendmail.cf should contain the lines 
# "Smart" relay host (may be null)
DSsmtp.gsi.de                        # obsolete: DSlxmta1.gsi.de
# who I send unqualified names to (null means deliver locally)
DRsmtp.gsi.de
# hub host (to which all mail is sent)
DH
# masqueradings:
DMgsi.de
/etc/aliases should contain a redirection of root-mails to some natural admin person, like e.g.: 
root: Mr.Admin@company.de

(obsolete as of Mar-2007):

To access mail server via nfs in /etc/filesystems 
/var/spool/mail:
        dev             = "/var/spool/mail.common"
        vfs             = nfs
        nodename        = clri6a
        mount           = false
        type            = clri6a
        options         = bg,hard,intr
        account         = false
and in /etc/rc.local 
mount -t clri6a

Create a new configuration

(AIX 4.3, to close open relay) 
  1. cd /usr/samples/tcpip/sendmail/
  2. Prepare a file cf/aix433.cf 
    divert(0)dnl
OSTYPE(aix433)dnl
DOMAIN(generic)dnl
# all outgoing mail to SMART_HOST
define(`SMART_HOST', `rzserv1')dnl
# all incoming mail to MAIL_HUB
define(`MAIL_HUB', `rzserv1')dnl
# all sent mail masqueraded to be from this host
MASQUERADE_AS(gsi.de)dnl
# masquerade the envelope of the mails as well
FEATURE(`masquerade_envelope')dnl
# mailers used, always declare at the end of the file
MAILER(local)dnl
MAILER(smtp)dnl
MAILER(uucp)dnl

  3. m4 m4/cf.m4 cf/aix433.cf > /tmp/sendmail.cf
  4. In /tmp/sendmail.cf comment out 
     
   Fw/etc/sendmail.cw
   FR-o /etc/mail/relay-domains
  5. finally 
    cp /tmp/sendmail.cf /etc/sendmail.cf
refresh -s sendmail
Last update: 14-May-2007, M.Kraemer

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