Windows 10: Delivery has failed to these recipients or groups: Stewart Dennis L *** Email address is...

Delivery has failed to these recipients or groups:Stewart Dennis L *** Email address is removed for privacy ***Your message couldn't be delivered. The Domain Name System DNS reported that the recipient's domain does not exist.Contact the recipient by some other means by phone, for example and ask them to tell their email admin that it appears that their domain isn't registered adequately at their domain registrar. Give them the error details shown below. The recipient's email admin is likely the only one who can fix this problem.For more information and tips to fix this issue, see this article: ht

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email sent to gmail address

I keep keep getting "DELIVERY HAS FAILED TO THESE RECIPIENTS OR GROUPS" for an email I am sending to gmail account. I KNOW it is the correct address. Please help. thank you

 

Mail Delivery Failure emails

I receive 20 or more emails from an old, non-existent email address. This is an old email address I had, the hosting and email account has been eliminated. How can I stop these emails?

This message was created automatically by the mail system (ecelerity).

A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:

>>> L: *** Email address is removed for privacy *** (while not connected): 554 5.4.7 [internal] exceeded max retries without delivery

 

BCC address exposed via "undisclosed recipients" email

I tried following Microsoft's (and others) instructions for using address "Undisclosed Recipients" and BCC'g a group of email addresses to hide those addresses - the addresses were EXPOSED by a recipient choosing "reply all".

Does anyone know of an actual safe way to protect addresses in a group email? Makes me feel lawsuity.