Anti-spam problem

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yumibad
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Joined: Tue Sep 01, 2020 2:05 pm

Anti-spam problem

Post by yumibad »

I'm using spamhero as an antispam. I have a problem that some spam are going through zimbra without going through spamhero first.
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L. Mark Stone
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Re: Anti-spam problem

Post by L. Mark Stone »

yumibad wrote:I'm using spamhero as an antispam. I have a problem that some spam are going through zimbra without going through spamhero first.
Check your MX records and your firewall: see if port 25 on your Zimbra server is open to just the SpamHero IPs or to the world.

Hope that helps,
Mark
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L. Mark Stone
Mission Critical Email - Zimbra VAR/BSP/Training Partner https://www.missioncriticalemail.com/
AWS Certified Solutions Architect-Associate
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