Postmaster: PopBeforeSMTP Configuration

Pop-Before-SMTP functions becomes effective when SMTP Relaying is restricted.
If SMTP Relaying is not restricted, all messages from outside are allowed to be delivered. No authentication is required.

Enable PopBeforeSMTP
Yes, or No
SMTP Session Enabling Period in sec

SMTP Session Idle Limit in sec

Maximum number of authenticated SMTP Sessions

IP Addresses denied POP Before SMTP

IP Addresses without POP Before SMTP authentication