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How can I get POP-auth-before-relay support in Exim?

April 26, 2017Exim pop-auth-before-relay support

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How can I get POP-auth-before-relay support in Exim?

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A0806: See http://cc.ysu.edu/~doug/exim-pop.tar.Z which has some scripts for this, courtesy of Doug S . Q0807: I have one or two cases where my machine correctly rejects messages, but the remote machine is quite persistent, and keeps trying over and over. A0807: It is an unfortunate fact that a number of SMTP clients, in violation of the SMTP RFC, do not treat a permanent error code that is given after the MAIL FROM command or the DATA portion of the transaction as a permanent error. Consequently they keep resending the message. Failing checks on a message’s headers (the headers_… options) necessarily result in an error code after the data has been received.