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I need to disable ESMTP for one domain. I have already created a separate send connector for this domain, but I can't find anywhere to disable ESMTP and simply use SMTP.<br />
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I need the server to send HELO instead of EHLO for this particular domain.<br />
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Thanks in advance for your help!
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I need to disable ESMTP for one domain. I have already created a separate send connector for this domain, but I can't find anywhere to disable ESMTP and simply use SMTP.

I need the server to send HELO instead of EHLO for this particular domain.

Thanks in advance for your help!

Disable ESMTP for one domain

Interactions between email servers and clients are governed by email protocols. The three most common email protocols are POP, IMAP and MAPI. Most email software operates under one of these (and many products support more than one).  The correct protocol must be selected, and correctly configured, if you want your email account to work.

Email Protocols

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.