Re: How to block forged senders (planning tactics)

2023-11-10 Thread Damian
... then I would like to quarantine this mail as spam. ... There are two standard ways to categorize mail as spam: - via a spam_scanner as part of @spam_scanners (usually SpamAssassin) - via an av_scanner as part of @av_scanners and @virus_name_to_spam_score_maps. Other non-standard ways

Amavis and OpenDMARC

2023-11-10 Thread Dino Edwards
Hello, In the past I used OpenDKIM to sign and verify DKIM signatures. However considering the fact that it hasn't been updated in a very long time and constant issues with e-mails from O365 senders, I decided to give Amavis DKIM a try. I have it configured and it looks like it works verifying

Re: Amavis and OpenDMARC

2023-11-10 Thread Noel Butler
On 11/11/2023 00:34, Dino Edwards wrote: Hello, In the past I used OpenDKIM to sign and verify DKIM signatures. However considering the fact that it hasn't been updated in a very long time and constant issues with e-mails from O365 senders, Thanks in advance. The fact a program hasn't

Re: Amavis and OpenDMARC

2023-11-10 Thread Damian
OpenDMARC is setup as a smtpd_milter in Postfix. So Amavis is setup as an smtpd_milter as well? Can someone maybe shed some light on why this would be happening or is there a different way to handle DMARC? Do you see DKIM-related Authentication-Results headers in incoming mails?

Re: Amavis and OpenDMARC

2023-11-10 Thread Noel Butler
On 11/11/2023 05:04, Damian wrote: OpenDMARC is setup as a smtpd_milter in Postfix. So Amavis is setup as an smtpd_milter as well? Can someone maybe shed some light on why this would be happening or is there a different way to handle DMARC? Do you see DKIM-related Authentication-Results