Fixing Unable to relay error in Outlook

Error Message: Undeliverable:xyz System Administrator Your message did not reach some or all of the intended recipients. The following recipient(s) could not be reached: 550 5.7.1 Unable to relay for xyz12@x212.com  Solution: This was the Solution which helped me to send the messages all over the world. 1) Open OutlookExpress2003 2)Go to Tools- Email Account-… Continue reading Fixing Unable to relay error in Outlook