Exchange 2003 on 2003 server. Smarthost is configured for the sending of our emails i.e. all emails are forwarded to relay servers at our ISP. <BR><BR>We are having problems sending emails to one ...

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 ...

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 ...

For a while now, some Microsoft 365 users have been running into problems when sending emails via Outlook. More specifically, users who have more than 500 folders ...

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, ...

Today, Microsoft shared a temporary fix for a known issue causing Outlook Desktop to crash when sending emails from Outlook.com accounts. This confirms customer reports regarding crashing issues when ...

Outlook may resend old emails primarily due to synchronization glitches between local devices and email servers. These issues often stem from corrupted local cache files (OST/PST) where Outlook stores ...