On 12/24/19 12:54, Mark Milhollan via mailop wrote:
The problem there is that what was once okay might turn to crud or DNS
responces might be different for you than for them. The former should
be detectable if they were to do it as they forward/relay but the odds
of that are low so Sendgrid m
On Mon, 23 Dec 2019, Carl Byington wrote:
The spam was sent with a From: header of @email.chase.com.
_dmarc.email.chase.com. has a txt record with p=reject, so it was
rejected here. Sendgrid - you should be able to check that at your end,
and just not send anything that violates the dmarc restri