Send email via exchange server using imap function in php

Hi,

I want to send emails through our exchange server. So when the email is sent, it will get listed in the sent item of exchange.
Just like IMAP emails accessed in Outlook Express.

Basically I want to reply to an incoming email and track the outgoing emails using the email header unqid.

I can send email using pop3 smtp but email header unqid will be different.

I have also tried Phpmailer and Swift-5.0.0

But I am getting following error,
"AUTH not accepted from server: 504 5.7.4 Unrecognized authentication type"

Has any one had experience with this or can recommend a way to do this?