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How to monitor system with `snort` and send emails about `alerts`

PROBLEM: I have been configuring snort on my systems and would like to get emails from the systems if there are any alerts. What I have tried is swatch but I can't find much documentation on it, can ...
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how to send lines/messages to maillog file [closed]

under /var/log , we can see the following maillog files -rw------- 1 root root 11733421 Aug 5 03:47 maillog-20180805 -rw------- 1 root root 15566137 Aug 13 03:16 maillog-...
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Weird logging behavior in Berkeley mail on a Mac

I use Berkeley mail (/usr/bin/mail) on an iMac. It has just started behaving in strange ways. If I type "~v", to open an editor, I get "[LogLevel VERBOSE]" or sometimes "[LogLevel DEBUG]" and the ...