You cannot send the email. Verify that the email settings are correct

FastCo

Hi all,
i have the following issue on a installation of Dynamics 365 BC build 14.0.29530.0. with a normal client (not web version).
when i try to send a email confirmation from an order page 9700 (email Dialog) opens with the right information and pdf attachement.
when i press send with a checkmark on open in outlook it gives me the message "You cannot send the email. Verify that the email settings are correct Do you want to download the attachment?".
The client pc is windows 10. The outlook version no. is 1908 build 11929.20254.

Strange thing is that some clients have this problem and some other clients works fine.
Who can help me with this?

Thanks, Johan

BobB

Did you ever resolve this issue? I have one user who gets this message.

FastCo

Yes. After updating outlook it was solved.