TOP command (RFC 1939) not implemented
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As reported by Alexander Oelzant to the Debian bug
tracking system (http://bugs.debian.org/cgi-bin/
bugreport.cgi?bug=211691):
The TOP command as specified in RFC 1939 was not
implemented (eg fetchmail uses that - not the
intended audience for a virus scanner, but other pop3
probably get mail using that rather than the
limitless RETR as well).
A simplicistic patch implementing that command is
attached. It throws away the line count argument, but
for virus checking purposes that might actually be a
good thing, as independently harmless fragments are
avoided.
proposed fix