Symfony version(s) affected

6.0.5

Description

We've switched from Swiftmailer to Symfony/mailer and lost support for NTLM authentication. Swiftmailer supported NTLM. Is it possible to use NTLM or GSSAPI with Symfony/mailer?

How to reproduce

I cannot authenticate with server which supports NTLM and GSSAPI only.

Possible Solution

No response

Additional Context

No response