Change smtp helo fqdn

NethServer Version: 7.7.1908
Module: Email

I have a problem with my email server.

When I configured my server, I setup a server name (server) and a fully qualifiied domain. (

I setup a dns server for and

When my SMTP server sends an email, it shows up by sending helo and not helo

Can I change my fqdn for the SMTP helo command?

Thank you


Yes, custom helo is possible: