SMTP Email Test Tool

To Test Mail Settings, enter an Email Address or Domain in the box provided.

Enter Email or Domain - e.g., johndoe@gmail.com or gmail.com

IPv4 IPv6

Connection Type: Plain Text - Port 25 TLS/SSL Explicit (STARTTLS) - Port 25 Plain Text - Port 587 TLS/SSL Explicit (STARTTLS) - Port 587 TLS/SSL Implicit - Port 465  

TLS/SSL Encryption Protocol: TLS1.3 TLS1.2 TLS 1.1 TLS 1 SSL 3 - Select a 'Connection Type' above that allows TLS/SSL

MX Servers Reverse DNS Lookup
Perform Email Tests on all MX Servers found - Can be very slow