lib_MTA is a BASH function library for dealing with email. It provides support for unencrypted and TLS-encrypted relaying of email with attachments, special mailing list filtering, and From address spoofing. The installation automatically sets up a mailing list filtering infrastructure that can be enabled with a few simple steps. Example scripts for relaying email and filtering mailing lists are included in the package with the library. Desktop users can employee a simple script to send email to remote addresses without the need for a local MTA, provided they have relay access via Gmail or their ISP.
Bulk Mac Mail is an an application for sending personalized mass email messages. It allows you to use message templates with multiple custom fields from the recipient database inside your messages. Customer lists can be imported from files of any type. Since all messages go through the standard Apple Mail's message delivery framework, they are absolutely indistinguishable from the messages that were actually sent by Apple Mail.
Mass Mailer for Mac is a high-performance bulk email program used to send personalized email messages using message templates to a large customer base from a single computer. It can import and export customer data from a wide variety of sources and handles multiple Web site mailing list subscriptions.
Kwaga BirdsEye is a desktop widget that recognizes email messages that matter and alerts the email recipient when the recipient receives an email that asks for something or requests a meeting, or when the recipient receives an email with a reply to an important email. The desktop application works whether or not the user has connected to email Inboxes. It supports Gmail and Google Apps, free.fr, and Yahoo mail accounts. Up to five accounts may be used. Kwaga BirdsEye automatically detects and prioritizes the people the recipient has already communicated with in the past (a.k.a. "trusted sources").