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  • 0 posts edited
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  • 7 votes cast
Oct
28
awarded  Editor
Oct
28
accepted IIS SMTP: 550 5.7.1 Unable to relay
Oct
28
revised IIS SMTP: 550 5.7.1 Unable to relay
added 138 characters in body
Oct
28
awarded  Supporter
Oct
13
comment IIS SMTP: 550 5.7.1 Unable to relay
@Evan: I am blocking external IPs from using the SMTP server for relay. But, would like to use it only from the localhost machine. I have added the IP address of machines to the "Relay" option in "Access" tab. But, it would still say the same error message. I ran the tool SmtpDiag. It threw one error "Failed to connect to the domain controler. Error: 8007054b", but ran all tests sucessfully. What do you think should i look next? Thanks!
Oct
13
asked IIS SMTP: 550 5.7.1 Unable to relay