windows mail problem

[kat487]

I can receive e-mail but can't send? it was working good for 8 9 months.
now i try to send and just get error msg.
Subject 'Aircraft Fuel System Instructor', Account: 'pop.att.yahoo.com',
Server: 'smtp.att.yahoo.com', Protocol: SMTP, Server Response: '250
8BITMIME', Port: 25, Secure(SSL): Yes, Server Error: 250, Error Number:
0x800CCC7D
help?

 

[Gary VanderMolen]

That server doesn't use port 25. It uses port 465.
Follow your ISP's setup directions:
http://helpme.att.net/article.php?item=10707