The message could not be sent because the server rejected the sender's e-mail...
...address. The sender's e-mail add The message could not be sent because the server rejected the sender's e-mail address. The sender's e-mail address was 'reddone@comcast.net'. Subject 'Read: New address', Account: 'COMCAST Mail', Server: 'smtp.att.yahoo.com', Protocol: SMTP, Server Response: '530 authentication required - for help go to http://help.yahoo.com/help/us/sbc/dsl/mail/pop/pop-11.html', Port: 465, Secure(SSL): Yes, Server Error: 530, Error Number: 0x800CCC78
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