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Entourage by Microsoft - http://www.microsoft.com/mac/products/entourage2004/entourage2004.aspx
Offers integrated e-mail, address book, calendar, and newsgroup reader. Includes feature description, documentation, upgrade support, and trial download. |
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GNUMail.app - http://www.collaboration-world.com/cgi-bin/project/index.cgi?pid=2
A fully featured mail application running on Linux (or FreeBSD, OpenBSD, etc) and Apple Mac OS X. It uses the GNUstep development framework or Apple Cocoa. |
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Mailsmith - http://www.barebones.com/products/mailsmith/index.shtml
Barebones Software's mail client with wide variety of features for beginning and power users. For OSX and 9. |
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Magellan - http://www.makienterprise.com/magellanpro/magellanpro.html
Offers multi-lingual e-mail with right-to-left or left-to-right typing, spam filtering, HTML mail, SMTP authentication, auto-forwarding, and some AppleScript support. OS X and OS 9. Includes feature descriptions, FAQs, trial download, and upgrade option. |
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PowerMail - http://www.ctmdev.com/
Offers built-in spam filter and integration with SpamSieve, POP and IMAP support, customizable toolbars, AppleScript support, multiple filter rules, and SMTP authentication. OS X only. Includes feature descriptions, FAQ, testimonials, trial download, and sample AppleScripts. |
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Envelope - http://www.mtt.com/envelope
A Macintosh application that adds single-click encryption to your Eudora email. |
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QuickMail - http://www.outspring.com/
Offers POP and IMAP support, SMTP authentication, filter rules, multiple accounts, and spam filter. For OS X and OS 9, as well as Windows XP. Includes documentation, support forums, and trial download. |
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Claris Emailer - http://www.mac.org/internet/emailer/
Offers integration with older versions of AOL, Applelink, and Compuserve. OS 7 and 8 only; no longer maintained or supported. Includes free download. |
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Nisus Email - http://www.nisus.com/NisusEmail/
Offers drag-send feature, global window, auto-send-attachment directory, and external word processor compatibility. OS X and OS 8.5 and higher. Includes feature description, support forum, screenshots, and trial download. |
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JustMail - http://www.mstay.com/jm10_ab1.html
Offers e-mail access via any Java enabled browser. Includes feature description, online demo, and trial download. |