EQ Forum Admin
550-5.1.1 The email account that you tried to reach does not exist.
Have you received this error message when trying to send an e-mail to Gmail?
This error means that the address is not valid and is either incorrect or was mistyped.
Check the address for typos and for extra spaces.
If the problem persists try emailing the contact at a different email address, or calling them on the phone to get an updated e-mail address.
If this address is on a mailing list it should be removed from your list.