About Mac Mass Mailer for Leopard: Fully-featured mass mailer for Macintosh Leopard computer. It offers everything you need to create and maintain mailing lists for different needs and send mass messages directly form your Mac at a very high speed. It uses Apple Mail's message delivery framework to deliver your messages. This means that 100 percent of your email messages will get delivered properly to recipient mailboxes as if they were delivered by Apple Mail in a regular way. [more]