问题 提问于 2015年6月20日
I am troubleshooting the server settings on my parents' Windows Live Mail account.
They are unable to send email.
This is the error message we're currently getting.
Ideas on how to fix, please?
The message could not be sent because the server rejected the sender's email address. The sender's email address was XXXXXXXX
Subject 'test'
Server Error: 553
Server Response: 553 Authentication is required to send mail as XXXXXXX
Server: 'smtp.suddenlink.net'
Windows Live Mail Error ID: 0x800CCC78
Protocol: SMTP
Port: 25
Secure(SSL): No
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