NewsLetter is a free batch emailer, speciallly designed for newsletters. Its interface is very simple and intuitive, and it features the creation of plain text, HTML and multipart messages, customization of subject and body using "smart tags" and attachments (including inline attachments). Other features are output MBOX files (open-able in Mail, Entourage or any other capable email client), integration with FileMaker, Address Book and Entourage, and capability to send the messages through Entourage (or simply place the messages at its Outbox folder).
NewsLetter is powered by XMail.osax, so it is compatible with any SMTP server (along with the mentioned features).
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