I had never contacted Saar before, but I sent him a PM on June 27th asking whether he could upload .PDF rules for MK I and MK II rules to me or to the BGG files section. He replied on June 30th asking me about how to upload them, I replied on July 1st and he replied back on July 3rd to say the MK I and MK II rules had been uploaded to BGG.
According to his profile page, the day I got this last reply was the last time he logged in to the site so far, but he does seem to read his messages, even if occasionally.
Seemed like a very approachable guy in this particular case.
Yeah, the reason I think Saar is now unreachable is because of his 1-month inactivity :D Just emailed him, hope he'll answer soon