SMTP commands for "AUTH NTLM"

Question

I'm failing at finding the commands I need to send to authenticate to a SMTP server using NTLM.

I think it goes something like:

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

Answer 1

i think the following liknk might be helpful for you

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

You need to encode everything and follow NTLM authentifaction protocol.

Answer 2

You need a Base64-encoded Type 1 message. Read this.