Click General tab in the Settings to bring up the General Settings and check the necessary options.

Minimize to system tray - check this option if you want to minimize the program to the system tray.

Run program minimized - check this option if you want to run the program minimized.

Run program at windows startup - check this option if you want the program to be run just at Windows startup.

Clear log every XX days - check this option if you want the program to clear the log every XX days.

POP3 Server Settings

Timeout specifies the time limit to be used by the program to connect to the POP3
server.

Threads specify the maximum number of POP3 accounts the program can connect to simultaneously.

Disable accounts autocheck - this option allows you to prohibit the auto checking
of POP3 accounts for incoming emails.

SMTP Server Settings

Timeout specifies the time limit to be used by the program to connect to the SMTP
server.

Threads specify the maximum number of threads the program can use to send emails.