SMTP Commands for "AUTH NTLM"

Question

I cannot find the commands that I need to send for authentication to the SMTP server using NTLM.

I think it looks something like this:

AUTH NTLM <bae64encode something>
334
<bae64encode something>
235

Answer 1

You will need a Base64 encoded type 1 message. Read this .

Answer 2

I think the following liknk might be useful to you

http://msdn.microsoft.com/en-us/library/cc246870%28v=prot.10%29.aspx

You need to encode everything and follow the NTLM authentication protocol.