On Fri, Jan 14, 2022 at 06:56:40PM -0500, Wietse Venema <wie...@porcupine.org> wrote:
> raf: > > If the distribution itself is working, and the list of > > members doesn't change often, and it's only SPF that's > > getting in the way, perhaps the least disruptive > > solution is to add SRS to Postfix. The problem being > > that someone who sends to the list has SPF on their > > domain and a server who receives from the list bounces > > it because your server isn't allowed by the original > > sender's SPF. > > Wietse: > > NO, NO, NO. A properly operating mailing list overrides the SMTP > > MAIL FROM address with its own address, so that bounces are sent > > to the list admin, instead of individual list members who can't fix > > the problem. > > raf: > > Yes, but I didn't get the impression that they were > > already using mailing list software. > > What I wrote was regardless of whether one uses mailing list > management software. > > http://www.postfix.org/aliases.5.html > > With Postfix aliases(5), if mail is sent to an alias 'foo', and > there also is an alias 'owner-foo', then the enveloope sender address > will be set to owner-foo. This behavior already existed in Sendmail. > > Wietse Thanks for that explanation. That's much easier than SRS, and actually appropriate for a distribution list. My advice about SRS is only appropriate for making ordinary forwarding work for individual addresses. I see that it's not the same thing at all. So, since the original poster's distribution list wasn't working, maybe they just need to add an owner-foo alias. cheers, raf
