On 16 Jun 2019, at 13:40, Stefan Bauer wrote:
MS is publishing source ips/ranges.
sasl_exeptions_networks seems an option but i still dont like the lack
of
authentication.
So if you know that the SMTP client matches SPF (or a statically-set
address set) for the sender domain AND the sender address is one you
intend to service, how reliably is the mail authenticated by those 2
elements together?
Is the mail DKIM signed?
--
Bill Cole
b...@scconsult.com or billc...@apache.org
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
