On 09/08/2021 21:53, Viktor Dukhovni wrote:
I think you're saying that in Exim there
is no "Delivered-To:"-based or similar loop detection mechanism,
or least nothing built-in.
That's correct.
And the "Envelope-To:" header is for fetchmail and the like to
demultiplex multi-drop mailboxes. It is not a loop detection
feature.
I'm not sure why the option for it was added; before my time.
As I said, it's off by default.
--
Cheers,
Jeremy
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