Add new Temp Mail domain name

It's very easy to add your own domain. You must have your own domain first. The actual domain name can be registered somewhere on the Internet (ICANN-Accredited Registrars list). After that, you need to add the MX record to the DNS domain settings as shown in the box below.

Name/Host/Alias: ( leave blank or @ or the name of your domain )
Record Type: MX ( Type of DNS record )
TTL: 86400 ( Time to Live - tells servers across the Internet to check every 86400 seconds (24 hours) for updates )
Priority: 1
Value/Answer/Destination/Target/Mail server:
If you did everything right then you will be able to receive new mail in page:

If you have a domain but you are not able to configure it, you can give us access to the administrative panel or server and we will configure this domain for you. To do this, send us an email to feedback.

Additional resources:
Temp mail domain debugger
Email Checker