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AOL is blocking my IP Adress with a 554 RLY:B1 error message

Category: Email

2013-01-21 1:54 pm EST

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AOL has recently started blocking my IP address with a 554 RLY:B1 error.

IS there anything I can do to correct this on my end.

Thank you

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5,889 Points
2013-01-21 2:52 pm EST
Thank you for your question sunrise!

We received reports earlier that hotmail has a blacklisted IP address. The IP for the sending server that is bouncing is found in the following.

+AFs- is
550 in an RBL, see +ACI

We checked the whois and IP reputation for We got the following results.

If you are getting the same bounce, this will need to be reported to Microsoft Hotmail as they have a blacklisted Mail IP. Unfortunately, there is nothing we can do from our end because we do not manage the Hotmail servers. Sorry for the inconvenience.

For more information about 554 errors please see our article on Email error 554. Also, the article on Why does Email bounce, bounceback, or error? that explains how to read email bounces.

Best Regards,
James R

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