fxef79's profile

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Tuesday, July 21st, 2020 1:00 PM

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Mail from shared hosting has been failing to comcast.net email addresses

I am the administrator for a system using shared hosting to host email services, and recently experiencing 5.0.0 failures with the error message below sending to comcast accounts:

all hosts for 'comcast.net' have been failing for a long time (and retry time not reached)

I suspect an IP block, but would like to confirm.

 

Emails from this system tested successfully to reach other domains.

 

I am an email administrator of another entirely separate system that DOES receive emails from this shared hosting system successfully.  I can provide full headers of the succesful emails, if you need.

 

 

Note: I am also an xfinity customer, personally, and emails from this system fail to reach my own comcast.net mailbox... so I can test as needed to determine if the issue has been resolved.

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5 years ago

Good afternoon,

 

I am recieving the following.

 all hosts for 'comcast.net' have been failing for a long time (and retry time not reached)

Can you please assist?

 

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