from its mere length; other digest algorithms would require some sort
of prefix. We may require the prefix for SHA1, too, for clarity.
+- more useful logging, suggested by Jerry, fetchmail-users, 17 May 2013
+ should include date, time, message-id, and 250 Ok message from
+ listener that got forwarded to.
+
DOCUMENTATION:
- Add info whether Keywords are global, server or user keywords
- consolidate multidrop documentation