"Cannot Send" Error Message.

Some of my emails are not sending. I get this error message: “Cannot send message (Email recipient not accepted by the server.” Please advise to how I can fix the problem. Thank you.

Hi Kevin,

which exact version of eM Client are you using?

which e-mail provider?

Do you have this issue with all your e-mail providers or just a few?

Hi Kevin, I have received an email message on our pro support line from you, however please answer some the above questions before actually submitting any data to us.

Thank you for understanding,
Paul.