Author: Robert Wysocki Date: To: Michael J. Tubby B.Sc G8TIC CC: exim-users Subject: Re: [exim] DKIM verification and envelope-from
Dnia 2012-04-27, pią o godzinie 14:41 +0100, Michael J. Tubby B.Sc G8TIC
pisze: > In my acl_check_dkim I have these tests first:
> # strict checking on known signers...
> deny sender_domains = +dkim_known_signers
And that's my point - as far as I know sender_domains is taken from
envelope not from From: header. Hence when From: headers' content is
spoofed but envelope-sender is not, signature won't be checked even if
From: is in dkim_known_signers list.