Email client and server applications

• PegasusMail - suitable as a portable application for USB drives
• SeaMonkey - web-browser, advanced e-mail and newsgroup client
• Sylpheed - simple, lightweight but featureful, and easy-to-use e-mail client
• Thunderbird 2 - Mozilla’s powerful email application
• YAM - open-source mail user agent for AmigaOS based computer systems
• Zimbra - open source email server and client software

Tools (some online) and software to help designers provide features or functionality in emails

• E-Mail Icon Generator - turn your email address into an icon
• E-Mail Protection - mask Email image generator
• Advanced Email Link Generator - email link generator with anti-spam encoder
• Email Riddler - online tool that encrypts & transform your email address
• CA Anti-Spam Plus - software for Microsoft Outlook & Outlook Express -  recommended
• Renegade Email Protector - simple software that encrypts email addresses - recommended

One of the most common ways to send email newsletters is to use one of the hosted services that are set up to handle precisely this function.

These tools minimize the possibility of being blacklisted as a spammer. In addition, many of the vendors proactively manage relationships with ISPs to prevent spam filter problems.

• GraphicMail - solid editing & reporting tools, with HTML editor to create your own templates
• Groundspring Email - fundraising email mailer for the nonprofit sector
• Constant Contact - well established mass email marketing service
• Emma - template based mass emailer, priced for small business
• Campaign Monitor - built for designers who can create great looking emails for their clients
• Topica - sophisticated website integration, lots of custom fields, & powerful list segmentation
• VerticalResponse - web-based email marketing & printed postcards -  recommended