Hello… We just starting getting having this issue with emailing invoices to clients. They started to get rejected by our clients email servers. When I looked further into it, I found that this in the email headers…
Remote Server returned ‘550 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) [SN6PR08MB4398.namprd08.prod.outlook.com]’
It happens with everyone one we send emails to. My settings within Manager are the following…
I remember there being an SSL check box when I first set this up. Thats gone now. Im not sure if by using the 587 port within manager is implying the SSL setting.
Am I missing a setting here?
thanks in advance!