Email Issues - Error: NameResolutionFailure


I am new to the forum as i have had difficulty with emailing invoices or receipts.

I have the Desktop Manager Version 16.3.70 and when i attempt to email the below occurs in red:

Error: NameResolutionFailure

Can anyone please assist as this has not occurred previously.

Thanking You,


Try updating to the latest version lot of issues has been solved and features add to Manager.

Current version 16.12.12

Thank you aymanjou your a lifesaver!!! it worked!!

i appreciate your help :wink: