v0.9.3

[0.9.3] - 2024-08-29

To upgrade replace the stalwart-mail binary and then upgrade to the latest web-admin.

Added

• Dashboard (Enterprise feature)
• Alerts (Enterprise feature)
• SYN Flood (session "loitering") attack protection (#482)
• Mailbox brute force protection (#688)
• Mail from is allowed (session.mail.is-allowed) expression (#609)

Changed

• authentication.fail2ban setting renamed to server.fail2ban.authentication.
• Added elapsed times to message filtering events.