Error – not sending using Office365

Replies: 0

I am getting this error.

All information is correct in the “Settings” area.

ErrorInfo: SMTP Error: data not accepted.SMTP server error: DATA END command failed Detail: 5.7.708 Service unavailable. Access denied, traffic not accepted from this IP. For more information please go to http://go.microsoft.com/fwlink/?LinkId=526653 AS(8561) [BN7PR07MB4451.namprd07.prod.outlook.com]
SMTP code: 550