On 2022-06-27 at 09:51:16 UTC-0400 (Mon, 27 Jun 2022 08:51:16 -0500)
Rob McGee <[email protected]>
is rumored to have said:
On 2022-06-26 21:23, Alex wrote:
Hi,
I was surprised to see I received an email with localhost.localdomain
as the envelope sender. It was a legitimate email, but not from my
This would have been stopped by
http://www.postfix.org/postconf.5.html#reject_unknown_sender_domain
(unless you have created "localhost.localdomain" as a valid record in
your local DNS, which there is no reason to do.)
OR: localhost.localdomain is in the /etc/hosts file (as it is by default
in some Linux distros) and the system is configured to let hosts file
entries override DNS (the usual nsswitch config.)
--
Bill Cole
[email protected] or [email protected]
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Not Currently Available For Hire
