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Category Archives: Email

Articles pertaining to Email errors for both clients and servers.

ERROR: 553 sorry, that domain isn’t in my list of allowed rcpthosts (#5.7.1)

Posted on April 15, 2015May 18, 2015 by 3essentials Cloud

Symptoms And Errors: When attempting to send a email using your 3Essentials hosting account, your email client may report the following error message: “553 sorry, that domain isn’t in my list of allowed rcpthosts (#5.7.1)” The full error message may appear as: The message could not be sent because one of the recipients was rejected […]

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