Hi,
We have multiple lists set up with our Mailman host. We have had some
delivery issues recently. Until a few weeks ago, we did not have
DomainKeys or SPF records properly configured for our domain.
A few of the lists have been active for, I believe, 2 or so years; for
this example, we will call one of these lists "LIST A". Messages sent to
these lists seem to deliver fine. In October, we added 5 brand new
lists. One of the new lists has had some real trouble getting the
messages delivered. However, there are members of "LIST A" that are also
member of the problem list, "LIST B". They receive messages from "LIST
A" fine, but messages from "LIST B" never even seem to reach the front
door. I spoke with one local postmaster, and he did not see the first
message from "LIST B" in his logs anywhere.
I am a member of all of the lists, and I think I receive every single
email. Even when others do not receive messages from "LIST B", I do. To
the best of my knowledge, every single list is configured identically,
except for its name.
Any ideas as to what could be causing it? I believe that members of LIST
B who had been having issues have had their issues clear up after
configuring the SPF records and what not properly.
Thanks, and hope that was not too confusing.
Ian
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