[Pkg-exim4-users] exim4 and forwards breaks mails from gmail

Adi Kriegisch adi at cg.tuwien.ac.at
Mon Jan 19 13:47:50 UTC 2015


> > > Is this a limitation of exim(4) in squeeze, is there anything that
> > > can fix this problem?
> > No. You just hit a point where SPF is broken.
> Umpf, thanks! Not very happy about that.
Hmm... one could debate wether it is SMTP that is broken, but fixing
something broken by breaking it again does not help either.
> SO I have to inform my users:
> * check your final destination whether it doe sstrict SPF checks
> * if yes, use procmail instead of .forward
Actually I would not check the destination but the sender's SPF record;
this is the relevant one: with SPF the recipient of an email is able to
verify the sending server. In your case there is a mail bastion (tuvok)
in between that refuses to accept those mails.

-- Adi

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