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On Fri, Mar 27, 2015 at 10:06:29PM -0700, Coda Highland wrote:
> On Fri, Mar 27, 2015 at 10:03 PM, Jonathan Goble <> wrote:
> > I'm getting that also.
> >
> > The messages from Yahoo going to spam is the result of a deliberate action
> > by Yahoo itself, Google "Yahoo DMARC reject policy" for more info. I'm not
> > sure if the list can do anything to prevent it.
> >
> > The "violation of recommended sender guidelines" seems to happen primarily
> > on messages from corporate domains.
> It is actually possible but it comes at the cost of making the list
> messages come from the list itself instead of retaining the original
> From: field. There's some ick involved in modifying the e-mail headers
> (since you lose sender information with no good way to put it back)
> but it would fix the delivery problem.

It's a problem with all mailing lists that DKIM signatures get
corrupted, because the headers are altered.  DMARC and SPF don't help,

However, the From: header is never changed.  (The MAIL FROM: at SMTP
time is set to an address belonging to the list so the mailing list
software can process bounces: otherwise the poster would get all the

GMail are a law unto themselves when it comes to interacting with other
mail systems.  My advice is generally to just avoid using them, but this
sadly isn't always possible.

Perhaps if everybody fishes them out of their spam folder GMail's insane
spam filter will figure it out.