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If you receive a bounceback message, you can cross reference its error code with the information below to find out what caused the issue and how to resolve it.
These examples use the domain Verify that you are sending from a valid domain.
Then verify that the domain has valid DNS records by doing an external DNS lookup.
I have a multitude of phones, tablets, and computers that have my AOL account attached.
These should usually be resolved automatically, and you should receive a final bounce-back message if the message completely fails.
You usually would not receive a bounce-back message for this type of error.
If you feel this message has been flagged as spam erroneously, please be sure to obtain a copy of the original message attempting to be sent, and then contact support.
Way too often, error messages are but mystic numbers forming some kind of incomprehensible code.