Add Contacts 

Microsoft Outlook add-in. Add Contacts automatically, adds e-mail addresses to the contact folder when you reply to a message and/or send a new message. This will help you avoid losing addresses of people you correspond with.
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eAnnouncer 

Outlook add-in for sending individual, personalized, emails to your mailing list. Includes mail merge and option to control the rate at which emails are sent. Simple to use. Compose message in Outlook and send from any account.
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Anti-Spam Filter 

Anti-Spam Filter is an innovative self-learning system, offering you spam protection without deleting the important correspondence. Anti-Spam Filter maintains its own collaborative spam-tracking database, which uses the signatures of spam messages.
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yMail 

yMail can be used as a spam cleaner for your existing email setup, and also as a standalone email client.
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Express Plus 

Business email client can send personalized messages using mail merging, offers Bayesian SPAM and message filtering, shared mailboxes on a network, multiple address support and can read messages live on your server without downloading.
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SpamBrave for Outlook Express 

SpamBrave is an Outlook Express plug-in that adds intelligent spam filtering functionality. No need to buy an expensive e-mail client with a Bayesian anti-spam filter. From now on, you can train your Outlook Express to filter spam.
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