Looks like you are running into a port 25 block.
Try the settings for the AT&T/Yahoo mail servers:
http://www.att.com/esupport/article.jsp?sid=KB401738
The AT&T/Yahoo SMTP server uses port 465, which is not
blocked like port 25 is.
Gary VanderMolen, Microsoft MVP (Mail)
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"annetta" wrote in message news:6187002F-FE56-4A16-8EB8-(E-Mail Removed)...
The connection to the server has failed. Account: 'mail.bellsouth.net',
Server: 'mail.bellsouth.net', Protocol: SMTP, Port: 25, Secure(SSL): No,
Socket Error: 10060, Error Number: 0x800CCC0E
Also, can't figure out how to Post here, so hit Reply to somebody else's post.
The above error is mine. Please advise. Thank you.