Administrator's Guide - Kerio Software Archive

Chapter 15 Sending and Receiving Mailthis reason, the original password will not work after server configuration is transferredto an older version and it must be changed.Master authentication settings can be defined in Configurations → Advanced Options.Figure 15.21Master Authentication tabEnable master authentication...This option enables/disables Kerio MailServer master authentication. We recommendkeeping this option disabled unless it is needed (e.g. by Kerio Exchange Migration Tool).Allow master authentication only from IP address groupSelect an IP address group where master authentication will be exclusively allowed. Thegroup must be first defined in Configurations → Definitions → IP address groups (seechapter 12.1). For security reasons it is not possible to allow Master authentication fromany IP address. You can simply add a new IP group using the Add button.Master PasswordDefine a password that will be used for access to all accounts. This password should beknown by as few persons as possible. If the Master Password arrives to an unauthorizedperson, privacy of all user accounts on the server can be broken!Confirm passwordThe password confirmation is required to eliminate typos.HTTP ProxyIf Kerio MailServer runs on a host behind a firewall, it can be connected to the Internet viaa proxy server. This feature can be useful for example for upgrade downloads or/and forsearching for new versions of Kerio MailServer or antivirus application.Use HTTP proxy for ...Insert HTTP proxy address and port on which the service is running.164