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“Simplicity is the Ultimate Sophistication”
Leonardo Da Vinci
host or ip address of your smtp server (example:
FYI: it seems
is usable only by Google
the default port is
, but some smtp server use a custom port (example:
Use Secured Connection
checked it only if the smtp server needs a secured connection (
most of smtp servers need an authentication (
). Check it if required
required if 'Use authentication' is checked (ex:
required if 'Use authentication' is checked
the sender's email address (example:
very important : the test mail will be sent to this address (ex:
19 + 0 =
Type the result (check if you are not a robot)
Test your mail server on the fly
Send the Test
4.5 out of 5
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).
© SMTPer v0.204 (2010 - 2020)
For more information, contact us at
team (at) nanogenesis.xyz