sherifsoudi: here is the post message appears when sending to hotmail Error looking up hotmail.com (MX) while asking ns5.msft.net. Error was: unable to reach nameserver on any valid IP
sherifsoudi, I appreciate the information that you’ve given. To properly investigate this problem, I need an unedited copy of the bounce message that you’re getting with its full message headers exposed. Ensure that the following information is included in the bounce message that you'll post here:
Final-Recipient:
Action:
Status:
Diagnostic-Code:
I also need you to confirm if arope.com.eg is the domain that’s experiencing the problem sending to Hotmail accounts. If not, post the domain name in question here.