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USER wasn't found at MYDOMAIN.COM - Emails bounce back

Hi Folks, 

 

I have added two email accounts for our staff (dedicated personalized accounts) under our main domain. But when I try to send an email to these sub-email accounts - I instantly get en error in Outlook saying:

 

"We won't be able to deliver this message to USER@MYDOMAIN.COM because the email address in no longer valid" 

 

Any knows how to fix this? We have added these sub-email accounts to out iOS devices without any issues, so we dont understand why the emails bounce back. 

2 REPLIES 2

Re: USER wasn't found at MYDOMAIN.COM - Emails bounce back

The same like here 

New

Re: USER wasn't found at MYDOMAIN.COM - Emails bounce back

Same here.