Cocoa - Send email [duplicate]

This question 开发者_如何转开发already has answers here: Closed 11 years ago.

Possible Duplicates:

send email through a cocoa application

Send Email - Cocoa

How can I send email in cocoa/objective-C? I've seen ways that open up mail.app and send it but I want it to run in the background. External frameworks are ok but not preferred.

-Thanks!