mairix | indexes and searches email in locally stored email | Mehr ...
mairix is a program for indexing and searching locally stored email messages. mairix supports Maildir, MH folders, and mbox formats. . * Indexing is fast. It runs incrementally on new messages - any particular message only gets scanned once in the lifetime of the index file. . * The search mode populates a "virtual" maildir folder with symlinks which point to the real messages. This folder can be opened as usual in your mail program. . * The search mode is very fast. . * Indexing and searching works on the basis of words. The index file tabulates which words occur in which parts (particular headers + body) of which messages.