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I have questions about configuring a SMTP Sensor.



Hello, i want to ask a couple of questions about SMTP Sensors, i try configuring a simple SMTP Sensor that will monitor Mail Server downtime. I don't need any preformance statistics or anything like that. The questions i have are:

  1. Can you monitor a remote server not in the network you are monitoring?
  2. If yes, I can't seem to find target setting(what server are you actually monitoring)
  3. Do i need to log in to a email address hosted on the actual server.

prtg sensor smtp

Created on Feb 1, 2022 1:24:38 PM

Last change on Feb 2, 2022 7:54:15 AM by  Felix Wiesneth [Paessler Support]

1 Reply




Thanks for contacting us.

Short answer is yes, you can monitor a remote server as long as it is accessible/reachable from PRTG perspective. You will need to add the device to the probe and then add the sensors you need.

Other option you have is to configure a Remote Probe on that remote network. Here's more on this topic: https://www.paessler.com/support/how-to/remote-probe-installation

Hope this helps.


Miguel Aikens

Created on Feb 3, 2022 1:12:23 AM by  Miguel Aikens [Paessler Technical Support]

Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.