NaSMail is a standards-based webmail package. It includes support for the IMAP and SMTP protocols, and all pages render in HTML 4.01 with minimal JavaScript and CSS. It has very few requirements and is very easy to configure and install. NaSMail has all the functionality you would want from an email client, including strong MIME support, address books, and folder manipulation. NaSMail is based on SquirrelMail 1.4.x. It includes internationalization and other code changes from SquirrelMail version 1.5.x. License: GNU General Public License (GPL) Changes: This release includes security updates in HTML email sanitizing. These updates prevent some interface abuse with CSS. This release adds SASL PLAIN support to IMAP and SMTP authentication functions, has optimizations in IMAP EXPUNGE commands and UIDPLUS support, and has many updates in RBL filtering options. It contains other small bugfixes and code cleanup.

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