Ubuntu
cyrus-sasl2 package

  1. Bug #1657897
  2. Comment #5

Comment 5 for bug 1657897

Revision history for this message
Andreas Hasenack (ahasenack) wrote :

Is this log line enough for fail2ban purposes?

Jan 25 16:56:13 uvt-yakkety postfix/smtpd[3313]: warning: unknown[192.168.122.1]: SASL login authentication failed: authentication failure

You have:
- the service (smtpd)
- the ip (192.168.122.1)
- the failure reason ("authentication failure")