SMTPer  More Apps  Themes  About
“Simplicity is the Ultimate Sophistication” Leonardo Da Vinci
Test & Check
SMTP host host or ip address of your smtp server (example:
Port the default port is 25, but some smtp servers use a custom port (example: 587)
checked it only if the smtp server needs a secured connection (ssl, tsl)
most of smtp servers need an authentication (login/password). Check it if required
Login required if 'Use authentication' is checked (ex: account or
Password required if 'Use authentication' is checked
Email from the sender's email address (example:
Email to very important : the test mail will be sent to this address (ex:
SMTP send error
We made this tool for our personal use.
If you need to test a smtp server, please feel free to use it at your own risks.

For your information, no data will be persistent or stored on our server.

If you still don't feel confident, we advise you to use a test account.
You can also change your password after your test(s).
Author: Song LAN
Generated at: 7/2/2020 12:10:47 PM (UTC)

Contact: team (at)