[Mailman-Users] Reducing false positives with spam markings with Gmail, etc.
slc at publicus.net
Tue Nov 19 19:59:40 CET 2013
Are most mailman hosts finding their mail in Gmail heading to the
"Promotions" tab or "Forums" optional tab?
On Wed, Nov 6, 2013 at 1:04 AM, Stephen J. Turnbull <stephen at xemacs.org> wrote:
> Steven Clift writes:
> > Has this been a growing issue with Mailman served lists?
> I wouldn't say it's growing. For quite a while (a decade or so) we
> have been getting the occasional request for help in getting mail
> delivered to the major freemail services and portals, including Gmail,
> Yahoo!, Hotmail, and AOL. I haven't noticed them getting more
> frequent over time, nor have I had problems delivering to them with my
> own lists (but I have a really easy set of users to service, most are
> admins or oldtimers themselves and tend to blame their freemail
> provider, not my lists).
> > If it is not a growing problem with Mailman lists, then what are
> > you doing right!?
> Hard to say. For one thing, Mailman tries very hard to conform to the
> relevant RFCs (specifically 5322, 2369, and 2919).
> Second, most Mailman lists are set up by professionals, either people
> who are quite familiar with mail service including the kinds of things
> that keep you from getting labeled as spam, or hosting services. Not
> all of them are completely competent, but most do a pretty good job.
> Most implement DKIM and/or SPF, for example. So there may be a
> growing problem, and we just don't hear about it -- the host managers
> are dealing with it themselves.
> Third, we do have a pretty good FAQ on how to communicate with the big
> services to get on their good side. It's tedious to follow their
> rules, but it does work most of the time.
> > (One factor for us is that we do have a lot of users who post via
> > the web interface, which Gmail doesn't seem to like.)
> That doesn't surprise me. I assume that the from address is
> "Web.User at home.org" as they are registered with your service. If your
> software is not emitting a correct Sender header, it will look like
> the From address is spoofed. Gmail won't like that. Make sure that
> in this case the Sender header is set appropriately. (Mailman doesn't
> have a web interface, so doesn't have experience with this itself.
> The most common third-party interface is Gmane, which does get the
> headers right. Not everybody appreciates Gmane -- they have a habit
> of mirroring lists whose owners don't want them mirrored -- but they
> do conform to the mail standards.)
> Hope this helps.
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