Dovecot provides features such as:
- Support for IMAP and POP3 protocols, allowing users to access their email from various clients or web interfaces.
- Secure connections using SSL/TLS encryption for data transfer and STARTTLS for command transport.
- Folder manipulation, renaming, moving or deleting folders / mailboxes using IMAP commands.
- Support for various storage formats like Maildir and mbox that can be used to store email messages.
- Built-in support for multiple users with their own mailboxes, making it a suitable choice for managing corporate or large scale e-mail environments.
- Support for virtual domains and Mailman listservers (via plugins).
- Efficient handling of multiple concurrent connections, which can help improve performance in high load environments.
- Built-in support for various authentication mechanisms like PAM and LDAP to secure access to mailboxes.