Documentation for JIRA 4.0. Documentation for other versions of JIRA is available too.
In JIRA, emails may be periodically fetched (eg. via POP or IMAP) and processed (eg. create a new issue, create a comment). You can add new ways of processing emails by implementing the MessageHandler interface in JIRA (or subclassing one if its implementations).
MessageHandlers
For more information on MessageHandlers, including API documentation and source to the system handlers, see the documentation
After writing your MessageHandler implementation, this is how to get it into JIRA:
external-source
directory whose README describes a quick way to compile source (see How to Make a JIRA Patch).You should now be able to select your own MessageHandler when configuring a POP service.