Forum Discussion
KevinM2
6 years agoFormer Moderator
Hello, it's quite possible that the sending IP Address is listed on a CSI Blacklist. Here is a link which provides additional information regarding the postmaster error codes:
www.cox.com/.../email-error-codes.html
Cox is unable to reset this for you. -Kevin M. Cox Support Forum Moderator
www.cox.com/.../email-error-codes.html
Cox is unable to reset this for you. -Kevin M. Cox Support Forum Moderator
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