Anyone from Proof Point or Comcast on this list?

Mon Apr 19 16:50:23 UTC 2021

On 2021-04-19 12:36 p.m., Matt Hoppes wrote:
> It seems we are having trouble sending e-mail to some Comcast 
> customers and getting a relaying denied message, even though the mail 
> should be being accepted, not relayed.
>
> Below is a copy of a transcript.  Could someone from Proof Point or 
> Comcast e-mail please contact me to resolve this?
>
Have you tried the Proofpoint reputation and remediation portal?

https://ipcheck.proofpoint.com/

~

Matt