Making sure your SMTP Server and client are ready E-mail notifications setup
Checking connection to SMTP Server
Check connection to your SMTP Server using the telnet command. See Using telnet to Test Open Ports.
Checking recipient connection
- If authentication is necessary, check it as described in Microsoft TechNet: How to Use Telnet to Test SMTP Communication.
- If authentication is not necessary, check as described in Microsoft Most Valuable Professional Guide: How to test SMTP operations using Telnet.