EXHIBIT 4.2 FORM OF STOCK PURCHASE AGREEMENT STOCK PURCHASE AGREEMENT MessageMedia, Inc. 6060 Spine Road Boulder, Colorado 80301 Ladies & Gentlemen: The undersigned, (the "Investor"), hereby confirms its agreement with you as follows: 1. This Stock...Stock Purchase Agreement • October 29th, 1999 • Messagemedia Inc • Services-services, nec • Colorado
