Administrator's Guide - Kerio Software Archive

Chapter 27 Deployment ExamplesFigure 27.4Anti-Loop settingsWarning: The wildcard alias should not be used in branch office’s server’s, otherwise the emailfor the headquarters will not be forwarded.Recommendation: Set a secondary DNS MX record for the filial’s server. This will help youavoid problems in case of the headquarters’ primary server’s failure.Notes:• If users want to access their email remotely (e.g. using Kerio WebMail), they will alwaysconnect to the server where their local accounts are created (i.e. users in the headquarterswill connect to mail.company.com and users in the branch office connect to the servermail-ldn.company.com).• The Free/Busy calendar will display only information regarding local users of the particularserver.27.5 Setting up the backup mail serverInformation and Requirements1. A company has own company.com domain, the primary MX record points to the computerwhere primary mailserver is installed. The primary mail server’s DNS name ismail1.company.com.2. Create the backup server for the primary mailserver (its DNS name will bemail2.company.com). A basic version of Kerio MailServer can be used, because in thiscase there is no need to create user accounts.Implementation1. Create the secondary MX record (with lower priority) in DNS for the company.com maildomain for (mail2.company.com) backup server.2. After the backup of Kerio MailServer is installed, create a primary domain in the configurationwizard and assign it the same name as the primary mailserver, i.e. company.com.3. No user accounts are set up in this domain.300