Write email in Markdown and render them before sending
...It supports syntax highlighting (once language has been specified in a fenced codeblock), insert tables, source code snippets and more! Discover how easy it can be to format your emails with Markdown Here!
AfterLogic WebMail Lite PHP is a free AJAX webmail application. Users can receive, view, manage, compose, and send email through web interface (IMAP and SMTP supported). Source code included.
This code generates SURBL zone files, used to block spams based on message body URI domains which have been previously reported to SpamCop. SURBL is currently used by SpamCopURI, a SpamAssassin 2.63 plugin. Spam is well-marked with few false positives.