This option enables the logging. If logging is disabled, nothing will be logged except for errors.
The application log contain major server events, such as server start, stop and message delivery information.
The SMTP conversation log contains SMTP communication that hMailServer makes. Both when hMailServer acts as a SMTP client (when delivering) and when hMailServer acts as a SMTP server (when receiving).
The POP3 conversation log contains POP3 communication that hMailServer makes. Both when hMailServer acts as a POP3 client (when downloading messages from external servers) and when hMailServer acts as a POP3 server (when email clients downloads messages from hMailServer).
The IMAP conversation log contains IMAP communication that hMailServer makes.
The TCP/IP log contains TCP/IP events, such as DNS queries, connection opening and closing etc.
The Debug messages log contains low level messages. Debug logging should only be turned on when troubleshooting.
The AWStats log (saved in hmailserver_awstats.log) contains SMTP delivery events formatteded for AWstats
Use this setting to enable masking of passwords. This is turned on by default, and means that before writing a password to the log, hMailServer replaces it with three stars (***).