Maildirstyle
Maildirstyle refers to an approach for storing email messages in a filesystem hierarchy based on the Maildir format. It is used by several mail servers and clients as an alternative to the traditional mbox format, prioritizing per-message file storage and straightforward concurrent access.
In the Maildir style, each mailbox is represented by a directory named Maildir containing three subdirectories:
Messages are stored as individual files within cur or new. Each filename encodes a unique delivery identifier,
Advantages of the Maildir style include robustness to corruption, simpler concurrent access, and ease of incremental