* MailFeed
MailFeed is a PHP script that checks a POP3, IMAP, or NNTP mailbox on demand and returns an RSS feed containing the messages in the mailbox.
* RSSMail
Use RSSMail to access the contents of your IMAP inbox via RSS in an aggregator, web page, etc. Fill out the form below and RSSMail will check to make sure that it can access your mailbox and, if it can, will give you the URL of an RSS feed.
一份報告(Leveraging RSS at Disney)中說到：
Integration of RSS aggregation into email client was critical for user adoption
The opposite (RSS -to-> eMail) can be done with IzyNews:
http://izynews.com
IzyNews is a new way of receiving news and other RSS feeds in our eMail application. With IzyNews, you can subscribe to thousands of weblogs and professionally syndicated headlines feeds for delivery right into your eMail application.
Compressed information for speed-reading, no time-consuming surfing.
Automatically delivered to your eMail, no pop-ups or virusses, and
100% spam-free. Guaranteed.
IzyNews is made to work with a broad variety of popular eMail applications, such as
Outlook Express, Outlook, Pocket PC Inbox, Mozilla, Thunderbird, Eudora, Entourage, Mulberry any others
IzyNews is an online service and not yet another application. It leverages less commonly used features of your eMail and does not require a download or installation. It is compatible with any computer system.
IzyNews works across computer boundaries and gives you the same view, whether you are at home, at work or on the road. No more synchronizing the same items multiple times.
sounds interesting