This is very useful when you want to test your outgoing email for SharePoint but not have access to an SMTP server.
Enabling POP3 in Gmail: http://mail.google.com/support/bin/answer.py?answer=13273&cbid=wl8yzeug2lob&src=cb&lev=topic
You can specify only the servers that you want to be able to send email here by selecting Only the list below and adding your servers IP addresses.
Select Basic Authentication and specify your Gmail account and password. Check the TLS encryption.
specify the smart host as smtp.gmail.com
- http://fmuntean.wordpress.com -