This was a copy of AUTH PLAIN. Some of the checks are not passing for code that is already in the framework in same fashion in another file, but i've tried this on local and it works.

Thank you @EmeryEx

@EmeryEx @Slamdunk
There is a simple rule: what is not documented does not exist!
How can developers discover this and use it without documentation?

It would be a pity if the work invested here is not used!

My bad, sorry.

@EmeryEx would you be so kind to update https://github.com/laminas/laminas-mail/blob/2.22.x/docs/book/transport/smtp-authentication.md as well?

Yes I will add doc section in the next week or so when I get some time. Thank you guys!

Thanks for this @EmeryEx. Could you explain how to use it ? Where do I get the access token ?

Thanks for this @EmeryEx. Could you explain how to use it ? Where do I get the access token ?

It's no easy task and unfortunately, it's something you need to implement yourself. But once you have the access token with the right permissions, you just have to supply it to SmtpTransport:

$transport = new SmtpTransport();

$connection_conf = [
    'username' => $username, // the email address of user that approved token
    'access_token' => $token, // the access token you've acquired via an authorization token or refresh token reuest
    'ssl' => 'tls',
];

$options   = new SmtpOptions([
    'name'              => 'example.com',
    'host'              => 'smtp.office365.com',
    'port'              => 587,
    'connection_class'  => 'Xoauth2',
    'connection_config' => $connection_conf,
]);
        
$transport->setOptions($options);

Then your transport is ready to send mail.

Here are the docs for Office365 on obtaining Access tokens and such:
Docs

One more thing after you've acquired an access token, you still need to enable SMTP auth for the email account as an admin (one time)
Enable SMTP authentication for Office 365 account

@EmeryEx
Please create a pull request for it to update the documentation.

@EmeryEx Please create a pull request for it to update the documentation.

Where exactly should i put it? Not sure the docs flow you've got going on

@EmeryEx
In the documentation you will find a chapter "SMTP authentication", add it there.
The related file can be found in the docs folder of this repository:

https://github.com/laminas/laminas-mail/blob/2.22.x/docs/book/transport/smtp-authentication.md

Hi @EmeryEx, Is this working? Please share the documentation on how to use it?