Anyone from Proof Point or Comcast on this list?

Matthew V zvernhout at
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?



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