Configuring your MTA or website to use an alternate smarthost

You can use Filtermail as a smarthost relay to send outgoing e-mail from your e-mail server or website. Using the documentation below, configure the smarthost with port 587 + TLS.


Configuring your MTA or website

Click on one of the links below to go to the manual for your MTA:

Need help? If so, please contact us.

Testing the MTA

Download this script to test the connection to

  • Download the script to the intended relay server and extract it.
  • Pass line 12 “” to your e-mail address.
  • For via CLI, issue the following command:

php /pad/naar/smtptest/index.php

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