[Mailman-Users] subscribed address that forwards to secondary address can't be identified

[Barry S. Finkel]

On 4/4/2014 4:29 PM, Christopher Adams wrote:
> Hello all,
>
> This is not necessarily a Mailman question, but I thought someone
> administering Mailman may have come across this before.
>
> A person is receiving mail through a list. The address that they are
> currently using (@gmail.com) is not subscribed to the list. I assume that
> means a subscribed address is forwarding to the gmail account. The gmail
> account people don't have any idea what they could have been subscribed as.
> I thought maybe the Mailman or MTA logs would show the susbscribed address
> forwarding to the gmail address. However, I can't find anything, so can't
> identify which address is the culprit.
>
> Does anyone have an idea how to get to the bottom of this?


Get a copy of the mail as received and look at the RFC 5322 mail
headers.  Those headers should give the entire mail path, and
one of the "Received" lines may have a "for user at example.com"
piece.

--Barry Finkel