Improved Log Viewer (Logs - View Log). Now lines can be filtered. It makes it easier to follow single connection. Also, IP addresses can be highlighted in the log and sent straight to Banned Hosts, Trusted Hosts or Auto Lockout databases;
Fixed an issue with Distribution Lists. They were case sensitive, and certain features were not working properly, if catch-all account was specified.
AbuseIPDb Blacklists Database update now happens with low priority thread, and it should affect the server performance less during the database update;
Server now includes console application ConsoleBackup.exe, which will allow to run backup from a command line. See more here;
Fixed dropped connection problems after receiving QUIT command in SMTP and POP3.