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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: warning: unknown[18.104.22.168]: SASL LOGIN authentication failed: authentication failure Dec 4 12:34:19 mail postfix/smtpd: warning: unknow...
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...