On 17.08.17 14:00, Brett @Google wrote:
Should they be ? I guess in this case the servers generate mail only.
Matus UHLAR - fantomas skrev den 2017-08-17 12:04:
no. if servers generate mail, their from: domain has to exist.
On 17.08.17 16:27, Benny Pedersen wrote:
mta does not care of from:
Read that as envelope from a.k.a. "mail from:" - the one visible in logs.
That one can be validated in early SMTP stages which is what I recommend to
check.
postfix only care of return-path: header
no, it does not - see above.
possible problems come from signing dkim with a non existense domain,
if that needs to be resolved its no key found in dns
this is problem at completely different level.
One former poster complained about all mail from domains pointed to a
hostnames in blacklists. I encountered multiple domains pointing at the same
IP.
That's why I recommended checking that.
--
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
- Holmes, what kind of school did you study to be a detective?
- Elementary, Watson. -- Daffy Duck & Porky Pig
