On Jan 5, 2023, at 14:54, Serizy via mailop wrote:
but what worries me is that, the PTR resolves to the fake hostname, but the
host name doesn’t resolve to the ip, logically…and the messages go to the user
mailbox in Outlook.com
This should not be an issue if the MTA performs both forward (A/A
This is new as the past few days and rather odd.
Mail sent through the Verizon email-to-text gateway is fine during
the day when the relay is:
relay=vrz-mms.mx.a.cloudfilter.net. [52.37.233.84]
or
relay=vrz-mms.mx.a.cloudfilter.net. [35.169.108.175]
but starting somewhere around 5pm MST, mail
Hello.
I would like to report here a spam source that is sending messages to some of
our users. Interestingly this source is using forged reverse names for their
ips, and they are using many different ips in what seems a snowshoe pattern.
The domains used for their reverse names, PTR records, a
