Intelli Innovations today released IntelliMerge 5.1, the latest upgrade to the company’s business-class e-mail merge software for the Mac. Combining a recipient manager, tag-driven e-mail composition program, and mailing system in one easy-to-use application, IntelliMerge makes sending dynamic, customized messages to customers, memberships, and other groups hassle free. New and enhanced features include: enhanced AutoSubscriber, IP tracking, enhanced invalid email checking, Web page messages, CSS support, and more. IntelliMerge is priced at US$99.00, or $179.00 with the optional AutoSubscriber component.