Properly set up a Mail Server in Vesta Control Panel
1. Get a server of course
2. Install Vesta Control Panel
3. Get a domain name
4. Link domain name with your new server.
5. Mak sure port 25 is not firewalled
6. Make sure server hostname is FQDN compliant
root@localhost:~# hostname
localhost
root@localhost:~# v-change-sys-hostname mail.vestacp.com
root@localhost:~# hostname
mail.vestacp.com
7. Set PTR record.
Please contact your ISP to find out how to do it.
8. Check server IP reputation.
9. Eneable DKIM support.
This is optional step but highly recommended. DKIM can be enabled in the Vesta under MAIL tab.
10. Add email users and you are all set