I have a domain user who is having trouble sending email to recipients he's not sent to before. The bounce back message he gets is - the recipient's destination email system is unknown or invalid - if he receives an email from someone he's not sent to before and replies to it, the mail gets through with no problem. What could be hanging up his mail and causing this?
Using Exchange 2003 w/Outlook 2007 for clients.
This article will help to fix the below errors for MS Exchange Server 2016
I. Certificate error "name on the security certificate is invalid or does not match the name of the site"
II. Out of Office not working
III. Make Internal URLs and Externa…
This video demonstrates how to sync Microsoft Exchange Public Folders with smartphones using CodeTwo Exchange Sync and Exchange ActiveSync.
To learn more about CodeTwo Exchange Sync and download the free trial, go to: http://www.codetwo.com/excha…
A short tutorial showing how to set up an email signature in Outlook on the Web (previously known as OWA).
For free email signatures designs, visit https://www.mail-signatures.com/articles/signature-templates/?sts=6651
If you want to manage em…