Solved ERROR: Message not send Server Replied Temporary authentication failure 454 4.7.1

Description: Here we’ll explain about the error we are facing while installing the squirrlmail client and Postfix server.

The main error is: ERROR: Message not send Server Replied Temporary authentication failure 454 4.7.1<mail>:Relay access denied.

Here is the simple solution which you need to follow to resolve the error:

Solution:

You need to open the file in your favorite editor and change the following:

vim /etc/squirrelmail/config.php

 

There is a line smtp_auth:

Change smtp_auth_mech to none if it is login

 This is all and you get the solution.

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