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Rejected e-mail blocked by the Comcast domain
If mail is rejected from being sent into the Comcast domain as an anti-spam protection, an error code will be returned in the e-mail bounce-back message to indicate why the block was applied and steps the sending e-mail provider should take to resolve the problem. More information is included below:
Outbound Mail Servers
Below are our outbound mail servers, which our customers will send mail through. Please check back often to see if the server names have changed.
| Host | IP Address |
|---|---|
| qmta01.emeryville.ca.mail.comcast.net | 76.96.30.16 |
| qmta02.emeryville.ca.mail.comcast.net | 76.96.30.24 |
| qmta03.emeryville.ca.mail.comcast.net | 76.96.30.32 |
| qmta04.emeryville.ca.mail.comcast.net | 76.96.30.40 |
| qmta05.emeryville.ca.mail.comcast.net | 76.96.30.48 |
| qmta06.emeryville.ca.mail.comcast.net | 76.96.30.56 |
| qmta07.emeryville.ca.mail.comcast.net | 76.96.30.64 |
| qmta08.emeryville.ca.mail.comcast.net | 76.96.30.80 |
| qmta09.emeryville.ca.mail.comcast.net | 76.96.30.96 |
| qmta10.emeryville.ca.mail.comcast.net | 76.96.30.17 |
| qmta01.westchester.pa.mail.comcast.net | 76.96.62.16 |
| qmta02.westchester.pa.mail.comcast.net | 76.96.62.24 |
| qmta03.westchester.pa.mail.comcast.net | 76.96.62.32 |
| qmta04.westchester.pa.mail.comcast.net | 76.96.62.40 |
| qmta05.westchester.pa.mail.comcast.net | 76.96.62.48 |
| qmta06.westchester.pa.mail.comcast.net | 76.96.62.56 |
| qmta07.westchester.pa.mail.comcast.net | 76.96.62.64 |
| qmta08.westchester.pa.mail.comcast.net | 76.96.62.80 |
| qmta09.westchester.pa.mail.comcast.net | 76.96.62.96 |
| qmta10.westchester.pa.mail.comcast.net | 76.96.62.17 |
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