Sendmail as a send-only local server

From Notes to self
Revision as of 21:33, 5 August 2015 by Verbovet (talk | contribs)
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  • Edit /usr/share/sendmail/cf/cf/sendmail-slackware.mc:
    • Add the line FEATURE(`no_default_msa')dnl to the FEATURE block
    • Add the line DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1,Name=MTA')dnl right before the MAILER lines
  • # m4 /usr/share/sendmail/cf/cf/sendmail-slackware.mc > /etc/mail/sendmail.cf
  • Add something like
root:           user
user:           user@example.org
to /etc/mail/aliases; them run the command newaliases
  • # /etc/rc.d/rc.sendmail restart
  • Add the fqdn-hostname to the whitelist of the smtp server for example.org
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