Skip to main content
NetTools
DNS
Domain
IP
Email
Security
All tools
Your IP
216.73.217.35
details
Email
SMTP Test
All tools
Connects to an SMTP server, performs EHLO, and optionally STARTTLS.
READY:
Fill in the required fields and run the tool.
Run Tool
Host
*
Port
25
465
587
Starttls
Yes
No
Timeout
Run Tool
Append
?format=json
for JSON output.
Light
Dark
Auto