Security updates and web interface enhancement

• Updated third-party packages to address security vulnerabilities
• Added ability to permanently purge all messages from Deleted Items and Spam folders on the Web interface

Switch to .NET Core 10.0

• Switched to .NET Core 10.0
• Added a progressbar to the spam statistics on the admin web interface

IMAP protocol and Web interface fixes

• Fixed an issue where message flags were not preserved when copying messages between folders using IMAP protocol
• When viewing the Deleted Items folder on the user Web interface, the delete button now permanently removes messages

Changes on primary SMTP connection

• Added an option to disable SMTP authentication on the primary SMTP listener. This helps reduce brute-force attack attempts.

Fixed connections on secure ports

• Fixed an issue where direct connections to secure SMTP, POP3, and IMAP ports were not working. Secure connections were only functioning through STARTTLS

Admin web interface changes (Delivery Queue)

• Added ability to view message content for items in the Delivery Queue
• Added a Refresh button to the Delivery Queue

Admin web interface changes

• Added statistics on addresses reported to AbuseIPDB
• More minor updates on the admin web interface

Gemini AI spam filtering

• Added spam filtering using Gemini AI
• Minor updates on the admin web interface

Enhanced email message display

• When viewing the Sent Items folder, now displaying To recipients instead of From headers for better clarity
• When viewing a message, now displaying To and CC recipients in the message header