> In the end, if mailchimp actually DID use the sender's email in the > MAIL FROM, it might make it easier.. If they did had a way to see > that this was an invite..
Practically all ESPs use VERP. https://en.wikipedia.org/wiki/Variable_envelope_return_path It makes sense for them in so many ways. For starters, they can guarantee that SPF matches for domains they themselves control, which is nowhere near a given with customer domains. It should also make bounce processing trivial. (Evidence in the form of Koli-Lõks OÜ having a business at all shows that nobody is monitoring that, though.) -- Atro Tossavainen, Founder, Partner Koli-Lõks OÜ (reg. no. 12815457, VAT ID EE101811635) Tallinn, Estonia tel. +372-5883-4269, http://www.koliloks.eu/ _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
