I was able to send and receive e-mails with no issues up until yesterday around noon. Since then no e-mails have come through and when i attempt to send, i get the following error...
5.4.1 Recipient address rejected: Access denied [BN8NAM12FT050.eop-nam12.prod.protection.outlook.com]
Please advise what i can do to resolve this.
E-mail address is Harry@LTM-Lighting.com