17. November 2018 · Write a comment · Categories: Uncategorized

The message could not be sent because the server rejected the sender's email address. The sender's email address was *** Email address is removed for privacy ***'.


Subject 'tax form'

Server Error: 550

Server Response: 550 5.1.0 Authentication required

Server: 'smtp.comcast.net'

Windows Live Mail Error ID: 0x800CCC78

Protocol: SMTP

Port: 587

Secure(SSL): Yes

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