saslauthd(8) on Linux
The text ef1d7558e306, as Debian 7 (Wheezy) shipped it.
sasl authentication server
Flags it lists
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-H -
-O -
-T -
-a -
-c -
-d -
-h -
-l -
-m -
-n -
-r -
-s -
-t -
-v