Search found 2 matches

by rulezz
Wed Dec 05, 2018 9:08 am
Forum: Administrators
Topic: SMTP auth & DoS filter
Replies: 3
Views: 1133

SMTP auth & DoS filter

Hello! It seems repetitive smtp auth failures do not trigger DoS filter. I see lot of messages in my zimbra.log Dec 4 12:34:17 mail postfix/smtpd[19169]: warning: unknown[49.73.158.65]: SASL LOGIN authentication failed: authentication failure Dec 4 12:34:19 mail postfix/smtpd[19745]: warning: unknow...
by rulezz
Thu Nov 23, 2017 8:02 am
Forum: Administrators
Topic: DKIM signing w/o AMAVIS
Replies: 0
Views: 445

DKIM signing w/o AMAVIS

Hi! I'm using Zimbra 8.7.11 with AMAVIS disabled. I have 3d party antispam/antivirus solution so I don't need AMAVIS. Incoming mail goes directly to mailboxes skipping any of content_filter in postfix. After I turned on DKIM signing this behaviour has been changed: now message goes to port 10030 and...

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