When your server is connecting to the remote MTA, it's claiming to be mprsdc01.mprs.local. RR must have a check in place to make sure the sending domain exists. Of course their machine can't resolve ...

Forbes contributors publish independent expert analyses and insights. I write about transformative work practices for a changing world. We spend countless hours sending emails, crafting responses, and ...

If the Outlook error message The email system had a problem processing this message, It won’t try to deliver this message again keeps troubling you, this post may ...

Microsoft has acknowledged a new issue affecting Outlook for Microsoft 365 users and causing email-sending problems for those with too many nested folders. According to Redmond, this is likely related ...

Hotmail users worldwide have problems sending emails, with messages flagged as spam or not delivered after Microsoft misconfigured the domain's DNS SPF record. The email issues began late last night, ...