The Email Test Tool allows you to Test the Mail Server and MX Server Settings for an Email Address or Domain. Select if you want to test IPv4 or IPv6 connectivity to the Mail Server.
Email Test Tool
To Test Mail Settings, simply enter an Email Address or Domain in the box provided.
Enter Email or Domain
MX Servers Reverse DNS Lookup
Perform Email Tests on all MX Servers found (Can be very slow)
This tool does NOT attempt to determine if an Email Address exists