On Mon, 15 Apr 2024 08:33:05 +1000 Andrew Reilly <[email protected]> wrote:
> Hi all, > > I can’t think of anywhere else to ask, but this knowledgeable group is as > likely as any to know what’s going on, I think. > > For years and years I’ve been able to filter all of my FreeBSD mailing list > messages into a separate FreeBSD inbox with a pair of simple dovecot-sieve > rules: > > if address :matches "Sender" "*[email protected]" { fileinto > "in.freebsd"; } > elsif address :matches "Sender" "owner*@freebsd.org" { fileinto > "in.freebsd"; } > > (… and similarly for most of my other mailing lists). The Sender header is > (used to be) a reliable reflection of the envelope FROM address, which > reliably tied things to the email server sending the list messages. > > On about the 11th or 12th of April, a significant chunk of FreeBSD mailing > list messages, including especially the git commit messages, started showing > up in my normal INBOX, evading the filter rules. > > Over the weekend I got around to investigating, and discovered that the > errant messages don’t _have_ a Sender: header. There’s a Return-Path: header > that captures the envelope-from, but I haven’t figured out how to make sieve > check that yet: it doesn’t seem to like it. Sieve documentation is > spectacularly inconclusive, but I suspect that the envelope extension might > do what I want, but that’s not really my question. > > Does anyone know why the Sender: header, which used to be so reliable that I > had thought it an intrinsic part of the SMTP/MTA ecosystem, has gone away, or > is at least not ubiquitous? > > I’m running dovecot and pigeonhole and postfix from ports, on stable/14 and > feeding messages in using fetchmail rather than direct SMTP: I’ve found that > exposing an SMTP endpoint requires more anti-spam fu than I've been prepared > to muster so far. Using fetchmail is clunky but it keeps me behind my ISP’s > spam filter. > > Cheers, > > Andrew You'd better contacting [email protected]. Or, this is not the case though, file a bug on bugzilla.freebsd.org with Product = "Services" and Component = "Mailing Lists". This is helpful is your emails are somehow rejected by freebsd.org mail server. -- Tomoaki AOKI <[email protected]>
