I tried 587, got this error.........The message could not be sent because the
server rejected the sender's e-mail address. Subject 'Test', Account:
'pop.mailcomcast.net', Server: 'smtp.comcast.net', Protocol: SMTP, Server
Response: '550 5.1.0 Authentication required', Port: 587, Secure(SSL): No,
Server Error: 550, Error Number: 0x800CCC78
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Millie
Tucson, AZ