Thanks so much for the fast response. Settings follow...
Incoming Mail Server (POP3) - pop.att.yahoo.com, Outgoing
(SMTP)-smtp.att.yahoo.com, Mail Account - pop.att.yahoo.com, My outgoing
server (SMTP) requires authentication is checked, Use same settings as my
incoming mail server is on, Server Port numbers: Incoming POP3 - 995 plus
checked on This server requires a secure connection (SSL), Outgoing (SMTP)
465 plus checked on This server requires a secure connection. Went over and
over settings with AT&T tech, even deleted email acct and re-added. Will
only send when Outgoing port is 25 and This server requires a secure
connection is 'not' checked.
AT&T said this is a known problem with Microsoft and there is a fix in
Service Pack 3. ?
Error: Task 'pop.att.yahoo.com - Sending' reported error (0x800CCC0F): 'The
connection to the server was interrupted. If this problem continues, contact
your server administrator or Internet service provider (ISP).'