Listmail is a Mailing List Managers script

It allows you to automate and simplify publication of ALL of your your e-zines, newsletters, update lists, and more, from your web site(s). Features include unlimited mailing lists, each with their own unique settings; unlimited timed followup messages per list sent in the days, weeks, or years following subscription; extensive personalization code options including user info, custom formatted dates, remove links, and more; solo and scheduled electronic mail sending; multiple methods of signup including form, email, and custom script; "multi-part" MIME emails for HTML+text messages; link tracking feature; complex user selection feature to send to combinations of lists and/or sub-lists; custom HTML allows you to customize subscribe and remove pages to FULLY integrate with your site; confirmation emails, referral URL, and IP address tracking to prevent spam allegations; bounced message handling to remove undeliverable users; backup features; electronic mail queue protection; and much, much more!