Checking Postfix file permission/ownership discrepancies
# postfix check
The first line (postfix check) causes Postfix to report file permission/ownership discrepancies.
# egrep ‘(reject|warning|error|fatal|panic):’ /var/log/maillog
The second line looks for problem reports from the mail software, and reports how effective the relay and junk mail access blocks are. This may produce a lot of output. You will want to apply some postprocessing to eliminate uninteresting information.
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