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ListMessenger exceeds expectations as a well designed, easy to use, lightweight mailing list management solution for your website. ListMessenger is feature packed but because of its intuitive design remains simple to use and easy to maintain.
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How can I add file attachments to my messages?

ListMessenger 2.0 Pro has the ability to send file attachments with any message. If you would like to distribute PDF documents, Text files, etc with your e-mail you are able to do this by either uploading the file from your computer or adding a file which you've previously uploaded.