Not true. If you forward a message with From: <[email protected]>, then it
will fail DMARC p=reject, the From: address will not "align" with the
forwarding server.
Miles Fidelmn
Al Iverson wrote:
Forwarding alone shouldn't be blowing up messages. If you're doing
something to the message content that invalidates the DKIM signature
or causes the the from address and return path to not be aligned,
that's where you're going to run into problems. If you don't modify
the message in any way while forwarding it on, you shouldn't run into
issues due to DMARC.
Regards,
Al Iverson
On Sat, Apr 26, 2014 at 4:30 PM, Paul Scott <[email protected]> wrote:
I run a number of web sites where users wish to have their e-mail address with
their own domain name. Some of these users (quite a few) do not read or send
mail through their web site or via their own domain server; rather they wish
their mail to be forwarded to a free mail account such as Yahoo! or Gmail.
Of course, the problems encountered with such a configuration have been
discussed on this list. And, I have independently arrived at a solution I now
see has been discussed: before forwarding incoming mail, munge the From: header
to match the forwarding server, and copy the sender’s e-mail address to a
Reply-To: header. Aside from being extremely ugly -- and problematic on a
perception level — it is also unworkable when the original sender’s e-mail has
been signed or encrypted.
With signed or encrypted mail, the sender’s e-mail address no longer matches
their certificate so the validation fails.
I don’t see any solution to this problem other than abandoning DMARC.
Unfortunately, a lot of organizations have adopted it, and the community
suffers as a result. Honestly, I don’t think DMARC was thought-out before it
was implemented. If I’m wrong, please set me straight and show me a solution.
Thanks,
Paul
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In theory, there is no difference between theory and practice.
In practice, there is. .... Yogi Berra
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