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email error 550


550: No such user here – How to resolve email error 550 in cPanel/WHM Linux servers

550: No such user here – How to resolve email error 550 in cPanel/WHM Linux servers

550: No such user here is a common error reported by cPanel users who primarily use an external mail server (like a corporate MX) to store their mail.

These include users who are trying to setup a mail forward to an external mail server, those who recently migrated or made changes to their account. (more…)