Anyway, in conclusion, one accidental spam does not a listmod emergency make. I suggest to worry about more important things. :)
Agree. 7 messages spent on a serious "Suggestion for Improvement" 14 (sorry now 15 ;-) ) messages spent yacking on about an accidental invite. (just press delete next time (neither archive nor send ;-P))
Doing his part to lower the signal to noise ratio even further is: