RE: [exim] Is there and logical reason to reject mail from: …

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Autor: David Brodbeck
Datum:  
To: 'David'
CC: exim-users
Betreff: RE: [exim] Is there and logical reason to reject mail from: <> ?
> -----Original Message-----
> From: David [mailto:david@ols.es]


> meybe it's not a bounce but somebody trying to validate your address
> using callouts or somebody trying to verify that your domain is RFC
> compliant and accepts mail to postmaster. do you reject at
> after rcpt to or after data/predata ?


After rcpt to. Callouts to an address other than the one you're receiving
mail from are, in my opinion, broken. If they're trying to see if I accept
mail to postmaster, they should use a non-empty envalope sender.

I don't do this on all my domains, just ones where I've gotten excessive
backscatter spam to postmaster, abuse, etc.