Etach is an Emacs extension that provides easy management of MIME email attachments in RMAIL and Mail modes. Users can attach one or more files to an email using the Emacs command M-x attach, and detach files from a received message using M-x detach. Installation requires adding just a single line to the system or user startup file. [details and examples].
Get etach now at http://rulnick.com/etach/download/.
Etach is free software © 2000-2009 J. Rulnick, etach at rulnick dot com.