Forum Discussion

John2222's avatar
John2222
Contributor II
6 years ago

email forwarding rejected: 550 message rejected ... AUP#CXSNDR

550 <xxxxxxr@cox.net> message rejected. Refer to Error Codes section at https://www.cox.com/residential/support/email-error-codes.html for more information. AUP#CXSNDR On several emails I have trie...
Bruce's avatar
Bruce
Honored Contributor III
6 years ago

550 = Non-Existent Email Address

John2222's avatar
John2222
Contributor II
6 years ago

Strange because the xxxx@cox.net is MY email address and been the same for years.  Any other ideas?