"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,