Is there any dosumented source for the courieresmtpd error codes (i.e. 517, 417, 500, 550, etc.) ?
I am writing a shell script to parse my logs for 5xx errors and would like to see all the possible errors that could be genrated by couriersmtpd.
As far as anyone should be concerned, any 5xx error is a permanent error; and any 4xx error is a temporary error.
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