Question
How do I use cPanel's Mail Status Probe (MSP) script to diagnose spam?
Answer
Warning: The use of the Mail Status Probe script is not supported by cPanel. This script is offered as a courtesy to systems administrators who are able to interpret the output. cPanel support is not able to provide assistance with the use of the script, interpreting the output, or taking action based on the output of the script.
You can run the following in SSH as root to view basic usage information for the MSP script:
# /usr/local/cpanel/3rdparty/bin/perl <(curl -s "https://raw.githubusercontent.com/CpanelInc/tech-SSE/master/msp.pl") --help
This script is periodically updated, so it is important to review the usage information regularly to be sure you are aware of any changes that may have been made since the last time you used the script. Most of the time, you will be most interested in using the --conf and --auth flags.
The --conf flag checks for commonly troublesome configurations on the server and will provide you with an alert if anything problematic is found.
The --auth flag will review the mail logs on the server and produce a report that shows information about the email activity on your server. The way that it is formatted can help to identify potential sources of spam. An experienced email administrator would be able to easily identify potential problems when reviewing the output, although the output may not be immediately clear to an inexperienced administrator. If you are not sure how to interpret the output, you will need to reach out to an experienced administrator for advice about how to interpret the data. If you are not sure how to locate a systems administrator, you can start here:
System Administration Services
This is an example of how you can run the MSP script with the --conf and --auth flags:
# /usr/local/cpanel/3rdparty/bin/perl <(curl -s "https://raw.githubusercontent.com/CpanelInc/tech-SSE/master/msp.pl") --auth --conf
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