1st Subscription Manager 

1st Subscription Manager - is a simplest, way to extract business emails from your regular POP 3 mailbox. When your clients subscribe or unsubscribe using an email with a certain subject.
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G-Lock Email Processor 

G-Lock Email Processor is designed to process/parse bounced/undeliverable and subscribe/unsubscribe emails as well as extract information from your email messages and create user defined text documents, that can be imported by other program
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AFU Plugins 

These scripts combine with Auto FollowUp. AFU allows people to subscribe to the autoresponder by email, but this collection contains a script that will actually answer an email! It will respond to email subscribe and unsubscribe requests.
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AutoFollowup 

Follow up with customers, sending them unlimited autoresponders with a personal touch. Administrate all autoresponders from any web browser, adding unlimited letters and unlimited lists.
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e-Campaign 

e-Campaign enables you to design rich HTML emails/newletters/ezines easily, and deliver personalized HTML emails to mail lists.
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SamLogic MultiMailer 

With SamLogic MultiMailer you can send personalized e-mails to the recipients in your mailing list. Messages created with MultiMailer can be in the impressive HTML format and contain pictures & sound, but sending plain text messages is also possible.
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