I was a happy FaxSTF user. Interesting, FaxSTF Pro X, which is purchased, stopped working with my beige G3 (I was told Fax STF X should not have worked either -- just got lucky). No other choice left, I returned FaxSTF X Pro, and got Pager Sender. PAGER MAKER WORKS EXCELLENT! Nothing I miss from FaxSTF X, just the opposite, I very much love email notification features of Page Sender. This is truely excellent software, and I was happy to pay $30.