On Tue, May 31, 2022 at 09:02:12PM +0200, Matus UHLAR - fantomas wrote:
for hotmaul.com and hormail.com use simple check_sender_access and
check_recipient_access.
On 01.06.22 08:27, Bastian Blank wrote:
Or check the recipient domain in the application that receives the
e-mail addresses. Just reject everything that does not have a MX. Yes,
that's a standard violation.
I don't recommend violating standard (this way).
Also, I don't see possibility to do this in postfix, as postfix looks for
A record if MX is not found.
However, if the usage of implicit MX was deprecated, it would spare mail
admins from some problems. but that's on IETF
--
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.
I intend to live forever - so far so good.
