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How to use Mail250 with SendBlaster?

To use Mail250 as your SMTP Relay with SendBlaster, click ‘Send’ under the Messages Menu on the left-hand navigation to bring up a dialogue box and follow these steps:

  • Set up your ‘Sender e-mail address’ to be an address from one of your Mail250s verified sending domains
  • Click ‘Use SMTP Server’
  • Set the SMTP server to be
  • Set the port to 2525
  • Don’t Enable SSL
  • Enable the ‘Authentication Required’ checkbox
  • Set the Username to Mail250s smtp_username and your Mail250 smtp_password.

Test the connection with the ‘Connection Test’ button and you should be good to go!


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