Sieve "redirect" changes envelope sender in 2.3. / pigeonhole 0.5

[Olaf Hopp]

On 04/23/2018 07:28 AM, Steffen Kaiser wrote:
> 
>>> Envelope *senders* should never ever be modified.
> 
> If the domain of sender A has SPF records installed and B redirects to C, but keeps the envelope sender A, the SPF check will fail on C.
> 

That's the reason why I say SPF is broken by design.
People using it, should hopefully know what they are doing.
But that's a little bit OT for this list.
Olaf

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