Article ID: 125297, created on Apr 27, 2015, last review on Apr 27, 2015

  • Applies to:
  • Odin Business Automation Standard


E-mails sent from OBAS are not being delivered.

In /var/log/maillog there are messages like

Oct 23 12:37:47 vps sendmail[26377]: s9N4blZm026377: to==?UTF-8?B?R2VuZSBUYW4gRWkgU3pl?=<>, ctladdr=apache (48/48), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=41118, relay=[] [], dsn=5.0.0, stat=Service unavailable


One of possible reasons is incorrect DNS servers configuration.


Please check if the recipient mail domain can be resolved from OBAS server.

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stat=Service unavailable

400e18f6ede9f8be5575a475d2d6b0a6 caea8340e2d186a540518d08602aa065

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