30. July 2017 · Write a comment · Categories: Uncategorized

I have used Windows Live Mail for 5 years. Have Windows 10 installed last year . Suddenly could not send outgoing emails. The server error is 550, the server response is 550.5.7.1, the error code is 0x800CCC79 and the message is " Relaying denied - you must check for new email before sending mail"

Any suggestions?


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