One occurance does not constitute an undesirable trend. About the second or
third time it happens then I could understand some concern about it being a
problem. If we are going get jumped every time something a little different
happens you are going to stifle all sponteneity and many of us will lose
interest and stop contrubuting.

If you are being charged per message for incoming Email you should consider
investigating other Internet services, there are lots around in most areas.
Also, don't forget the DIGEST mode.