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SMTP Error 510


Invalid email address

What does this mean?

This response is straight forward. One of the email addresses in the 'TO:', 'CC:', or 'BCC:' is incorrect (invalid).

How to fix SMTP Error 510

Check all email addresses in your message, including ('TO:', 'CC:', and/or 'BCC:'), for any misspelling.

Similar SMTP Errors

email/troubleshooting/error-numbers/510.txt · Last modified: 2015/02/04 14:45 by dlevey