Quote Originally Posted by jmsrickland View Post
Do you want to write your server using raw SMTP commands and Winsock as the transport layer or are you more likely to use some of Windows APIs?

I think Port ???? should be 25

Port 110 is for email client
No I'm writing an email server and I am using the Winsock control.

Look at the diagrams (especially the second one, as I am trying to be "service provider 2" in that diagram). I have linked images that are my diagrams in my first post. I need to have you help me figure out the pieces of info that I'm missing.