Email Spoofing

So, I was looking for some good tools to spoof emails. To know what is "email spoofing", please refer to Wikipedia. I tried some popular websites, like:

http://emkei.cz/
http://www.sendanonymousemail.net/

Both most likely the emails sent from here gets tagged as spam. Recommended is using tools like (built into Bactrack) SET and SendEmail. Challenge of course is finding a good & reliable SMTP server. In the screenshot below, used Gmail's server:

Update: 25-Feb-13
A very good video tutorial to clone a website, and send out spam, using Backtrack's SET