I disagree. You were just doing a good thing. As NaN states - the onus is upon the recipient of the goods. There have been several threads (one is noted below) and many warnings about this. While it's probably a good idea to put a warning in the post, there have been plenty of alerts for forum members by this time imho....ok, my bad, honestly, i was only trying to do a fun thing in sharing an experience with fellow cp'ers ...
Actually, a more appropriate reference would probably be here. The 1st url seems to be about importing plants - a different & much more serious infraction ...Just remember the onus is upon the recipient of the goods:
http://icps.proboards105.com/index.cgi?board=nepenthes&action=display&thread=2420&page=1#16415