3 ms·>> Koskinen said. "Our way of contacting you is by letter." Scammers cannot contact by letter purportedly?!by alok-g 12y ago>> Koskinen said. "Our way of contacting you is by letter." Scammers cannot contact by letter purportedly?!mpyne 12y agoI'm assuming the difficulty of finding a decades-old IBM Selectric to get the authentic "government form letter" feel is what keeps the scammers out here.rchowe 12y agoI would also assume that mail fraud is easier to investigate than telephone fraud.