Re: Modifying SMTPR4 for AUTH LOGIN -- MIDRANGE-L

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Subject: Re: Modifying SMTPR4 for AUTH LOGIN
From: Patrik Schindler <poc@xxxxxxxxxx>
Date: Thu, 8 Dec 2022 22:51:42 +0100
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Hello Brad,

Am 08.12.2022 um 22:19 schrieb Brad Stone <bvstone@xxxxxxxxx>:

EHLO <--first one After this it gives you a list of available commands
STARTLS
EHLO <--- after the socket is switched to SSL and you have another set of commands, AUTH being one of them.

Explanation for fellow readers: Some MTAs can be configured to refuse AUTH without an encrypted session protecting the username and password pair from passing clear text over the internet.

:wq! PoC

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