How I can send emails through another software built-in email server?



I want to send emails through another software and when I try to set it up I need to fill up the SMTP Server,SMTP Port,SMTP username,SMTP Pasword.
What do I have to do?

Samsung Blast - Email server access error?



I am getting this when I try to login to my Yahoo mail acct via the Tmobile Blast. Anyone seen this or have a remedy? Thanks.