On Mon, Mar 23, 2026 at 06:36:07PM +0100, Randy Bush via Postfix-users wrote: > how can i unserstand what has caused this milter reject and thereby how > i might ameliorate?
What parts does your milter consist of? Presumably the setup was made by you, not by somebody else without your knowledge. Perhaps your milter logs something more somewhere else than the maillog so you can understand _why_ it came to that decision. If not, it's time to up your debug level so the next time you won't be left wondering why. > i guess i could allow-list mailchimp/mcsv.net. are they trustable? They are an existing company that don't hide their identity, activities or whereabouts, and they are members of M3AAWG, among other things. Whether either of these matters to you is a different thing. They have bad customers from time to time, just like any other email service provider. Today, they appear to be the 16th largest sender worldwide if you ask Cisco Talos. https://talosintelligence.com/reputation_center/email_rep#top-senders-owner > is their rdns spoofed by spammers? 198.2.141.97 appears to be announced by AS14782, The Rocket Science Group - aka Mailchimp. It's definitely them, it's not a forgery. -- Atro Tossavainen, Founder, Partner Koli-Lõks OÜ (reg. no. 12815457, VAT ID EE101811635) Tallinn, Estonia tel. +372-5883-4269, https://www.koliloks.eu/ _______________________________________________ Postfix-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
