[Mailman-Users] {Spam?} Re: OT - Smart .forward replacement?
Mark Sapiro
mark at msapiro.net
Sun Nov 25 15:58:29 EST 2018
On 11/25/18 12:28 PM, Grant Taylor via Mailman-Users wrote:
> On 11/25/18 1:03 PM, Lindsay Haisley (linode) wrote:
>> mail redirected through a .forward will always fail SPF validation.
>
> That is not always accurate. It is relatively easy to configure an MTA
> to support Sender Rewriting Scheme, either for everything that is sent
> out or just things that don't originate from the system.
>
> Thus a .forward is not guaranteed to fail SPF validation. In fact, I
> would expect SPF validation to succeed on servers that are configured
> with SRS.
Yes, but in the context of this thread which is DMARC, SPF will pass,
but the SPF domain won't align with the From: domain so DMARC validation
by SPF will fail.
--
Mark Sapiro <mark at msapiro.net> The highway is for gamblers,
San Francisco Bay Area, California better use your sense - B. Dylan
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