Hi, >Sep 1 21:44:46 hst postfix/smtpd[28571]: connect from unknown[101.89.216.243] >Sep 1 21:44:51 hst postfix/smtpd[28571]: warning: unknown[101.89.216.243]: >SASL LOGIN authentication failed: UGFje8vcmQ6 > >What port is this being conducted on? > >Is this smtp port 25?
SASL is usually used on the submission port, 587. Do you have SASL enabled on port 25? If so, it's a good idea to only leave it enabled on port 587. Regards, D. _______________________________________________ Fail2ban-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/fail2ban-users
