Ottavio Caruso <ottavio2006-usenet2012%yahoo.com@localhost> writes: > Not sure if this is a misconfiguration, but it's definitely not > working well. In comparison, my "From" header to the FreeBSD mailing > lists are rewritten in the form of: > > From: Ottavio Caruso via freebsd-questions <freebsd-questions%freebsd.org@localhost> > > I'm sure this would make everything easier to all of us who have to > rely on free and popular email services and/or 3rd party services like > Gmane. It might, but it makes it bad for everybody else. When I use the "reply" action in my MUA, I expect, and standards require, to compose a message to the sender. That is very different from sending a message to a mailinglist. It is a critical correctness property that "reply" not go to a list. The NetBSD lists do not munge the message. So the message I am replying to arrived at my MTA with a valid DKIM signature from yahoo. The usual problem is that the message is modified by the mailinglist software, either adding a footer or changing the subject, and DKIM (correctly!) detects this as not being a messages that was sent by the original domain. The envelope sender, in "Return-Path:" is a NetBSD address, and my MTA also reports a valid SPF check. SPF is supposed to check SMTP "MAIL FROM" (~= "Return-Path:").
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