kengr: (Default)
[personal profile] kengr
I run a couple of mailing lists. One is pretty much dead but the other is pretty active (500-900 posts a month)

Just started getting a lot of bounces when folks with Yahoo email addresses post to the list.

Seems that Yahoo, hotmail, comcast and others have adopted a new "standard", called DMARC.
http://www.dmarc.org

And it sees the posts from the Yahoo users as attempts to *forge* messages.

My hosting folks are nice, but I'm the *only* customer using the mailing list software (majordomo) So they aren't exactly experienced with it.

Any help will be appreciated.

And no, switching the list to Yahoo (no way in *hell*!) or google groups is *not* an acceptable solution.

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