How can i Block an e-mail account from sending emails except from his domain

[blizard]

Hello,

I want to block an email account (Not Domain) from sending e-mails, except from sending to his domain.

example
[email protected] can send emails only to other @mydomain.com e-mail accounts, but cant send to any other domain.

Thanks

 

[cPanelMichael]

Hello

There are no native features available to filter outgoing email, but feel free to vote and add your feedback to the existing feature request at:

Outgoing filters

Thank you.