Administrator's Guide - Kerio Software Archive

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Chapter 2Installation2.1 System requirementsThe minimum hardware configuration recommended for Kerio MailServer (basic license for 20users):• CPU 1 GHz• 512 MB RAM• 50 MB free disk space (for the installation)• 40 GB free disk space for user mailboxes and backups• For maximum protection of the installed product (particularly its configuration files), it isrecommended to use the NTFS file system.Recommended hardware configuration of the computer where Kerio MailServer will be running:For 20 — 100 active users• CPU 2 GHz• 1 GB RAM• 160 GB free disk space for user mailboxes and backupsFor 100 and more active users• CPU 2.8 GHz Dual Core• 2 GB RAM• 200 GB and more free disk space for user mailboxes and backupsNotes:1. An active user is a user that uses the Kerio MailServer services multiple times a day (e.g.mail services, calendar, tasks, etc.).2. These recommendations apply only in case the computer is used only as a mailserver(Kerio MailServer, antivirus, anti-spam).3. Kerio MailServer is supported on 32-bit operating systems.16
2.2 Conflicting software2.2 Conflicting softwareKerio MailServer runs on the application layer and there are not any known low-level conflictswith other software, operating system components or device drivers (except the antivirus thatis used to open files). If a received email message includes an infected attachment, the mailserver stores it into a temporary file on the disk. Antivirus might damage the disk or thesystem. To prevent your computer from such failure, configure your antivirus to not scan thefolder (or the disk) where Kerio MailServer data is kept (refer to chapter 17).A possible conflict is a port clash (if all services are running in Kerio MailServer, these TCPports are used: 25, 80, 110, 119, 143, 443, 465, 563, 993 and 995). It is therefore not recommendedthat users run other mail, LDAP or web server software on the same computer. If thisis necessary, the system administrator must ascertain that there will be no port clashes. Forexample, if Kerio MailServer is running on a computer together with a web server, we recommendchanging the HTTP service port or disabling the service and only enabling its securedversion — Secure HTTP. Another alternative is to reserve one or more IP addresses for portsat which Kerio MailServer services are listening. For detailed information on services and portsettings, see chapter 6.If Kerio MailServer is run on a firewall or on a secured local network behind a firewall, thefirewall will affect the mail server’s behavior to a certain extent (e.g. accessibility of some orall services). When configuring the firewall take into consideration which services should beaccessible from the Internet or the local network and enable communication on appropriateports (see above or chapters 6 and 26.3 for more detail).2.3 Firewall configurationKerio MailServer is usually installed in a local network behind a firewall. In addition to themailserver’s configuration, it is also necessary to perform corresponding additional settingsof the firewall.If the MailServer is to be accessible from the Internet, certain ports have to be opened (mapped)in the firewall. Each mapped port might introduce security problems. Therefore, map portsonly for those services which you want to make available from the Internet.If server is supposed to deliver email directly by DNS MX records, it is necessary to map port25 (standard port for SMTP service). This setting is required for cases where an MX record forthe particular domain is addressed to the server. Any SMTP server on the Internet can connectto your SMTP server to send email to one of its domains.Now, it is necessary to map ports that will be used for connections out of the local network.Since the security risk is higher here, it is recommended to map only SSL/TLS-secured services.Settings are shown in table 2.1.17
Page 1: Administrator’s GuideKerio Techno
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7.4 FootersFigure 7.3Domain setting
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7.5 ForwardingFigure 7.5Domain sett
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7.6 Setting of Directory ServicesFi
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7.6 Setting of Directory ServicesFi
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7.7 Advanced7.7 AdvancedIn the Adva
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7.8 WebMail Logo3. In the Logging m
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8.2 Sending High Priority MessagesW
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Chapter 9SchedulingKerio MailServer
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9.2 Optimal Scheduling9.2 Optimal S
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10.1 Kerio MailServer CertificateFi
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10.1 Kerio MailServer Certificate
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10.2 Install certificates on client
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11.3 LanguageIf there is one of the
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11.3 LanguageFigure 11.1Dictionary
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12.2 Time IntervalsClick on Add to
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12.3 Setting Remote AdministrationF
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10312.3 Setting Remote Administrati
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13.2 Creating a user accountWarning
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13.2 Creating a user accountFigure
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13.2 Creating a user accountStore p
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13.2 Creating a user accountNote: T
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13.2 Creating a user accountFigure
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13.3 Editing User AccountNote: When
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13.5 Removing user accountsKerio Ma
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13.9 Administration of mobile devic
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13.9 Administration of mobile devic
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13.10 Import Users• MailAddress
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13.10 Import UsersFor detailed info
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13.10 Import UsersFigure 13.24Impor
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13.12 User Account TemplatesNote: C
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Chapter 14User groupsUser accounts
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14.1 Creating a User GroupGroup add
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14.1 Creating a User GroupPublish t
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15.1 Mail Delivery over the Interne
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15.1 Mail Delivery over the Interne
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15.2 SMTP serverinterface originall
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15.2 SMTP serverAuthentication by I
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15.2 SMTP serverLimit maximum incom
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15.3 AliasesMaximum number of deliv
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15.3 AliasesCharacter typea-zA-ZDes
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15.4 remote POP3 mailboxesFigure 15
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15.4 remote POP3 mailboxesthe messa
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15.4 remote POP3 mailboxesFigure 15
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15.6 Advanced OptionsDescriptionA c
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15.6 Advanced Optionsnot have to wo
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15.6 Advanced OptionsPLAIN authenti
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15.6 Advanced OptionsWatchdog Hard
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15.6 Advanced OptionsFigure 15.22HT
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15.6 Advanced Optionsstartup of the
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15.6 Advanced OptionsKerio WebMail
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16.1 Spam Rating tab16.1 Spam Ratin
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16.2 Blacklists tabtration Console
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16.2 Blacklists tabInternet databas
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16.3 Custom RulesSORBSSpam and Open
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16.3 Custom RulesUse the Add button
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16.3 Custom RulesTypeType of condit
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16.4 SpamAssassinFigure 16.7SpamAss
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16.5 Email policy records checksend
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16.6 Spam repellentFigure 16.9SPFOn
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16.7 Recommended configuration of a
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16.7 Recommended configuration of a
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16.8 Monitoring of spam filter’s
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16.8 Monitoring of spam filter’s
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17.1 Integrated McAfee Anti-VirusBe
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17.4 Server responses to detection
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17.5 Filtering Email Attachments17.
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17.6 Antivirus control statisticsFi
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18.1 ArchivingPath to the archive d
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18.2 Backup of user foldersFigure 1
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18.2 Backup of user foldersFigure 1
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18.2 Backup of user folders• Save
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18.2 Backup of user folders2. The s
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Chapter 19LDAP serverThe built-in L
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19.2 Configuring Email ClientsFigur
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19.2 Configuring Email ClientsMaxim
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20.2 Creating a Mailing List• con
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20.2 Creating a Mailing ListFigure
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20.3 Posting rulesFigure 20.4Creati
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20.4 Moderators and MembersAdd this
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20.4 Moderators and MembersAdding a
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20.5 Mailing list archiving2. This
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20.7 How to use Mailing ListsExampl
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Chapter 21Status InformationKerio M
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21.2 Message queue processingFrom,
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21.3 Active ConnectionsActive Conne
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21.4 Opened FoldersComponentsThree
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21.5 Traffic ChartsTime rangeIn the
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21.6 StatisticsRefreshThis button r
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22.1 Log settingsFigure 22.2Save lo
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22.1 Log settingsLog debugSelect th
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22.3 MailAuth_type=’0’, Passwor
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22.4 SecurityMailing list messagesT
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22.4 SecurityAntibombingServer over
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22.8 Debug• From: jsmith@company.
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22.8 Debug• IMAP Server — commu
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22.9 Performance Monitor (under Win
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23.1 Viewing public folders in indi
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24.1 Kerio MailServer on WindowsFig
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24.1 Kerio MailServer on WindowsFig
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24.2 Kerio MailServer on LinuxExamp
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24.2 Kerio MailServer on Linuxdebug
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24.3 Kerio MailServer on Mac OSTo e
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24.3 Kerio MailServer on Mac OSFigu
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24.4 Starting Open Directory and Ke
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24.4 Starting Open Directory and Ke
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Figure 25.1Setting Windows NT domai
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25.1 Setting NTLM in MS Outlook ext
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Chapter 26Kerio MailServer Environm
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26.3 FirewallFrom technical reasons
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Chapter 27Deployment ExamplesThis c
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27.2 Dial-up Line + Domain Mailboxi
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27.4 A company with multiple sites5
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27.4 A company with multiple sitesF
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27.5 Setting up the backup mail ser
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Chapter 28Troubleshooting in Kerio
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28.2 Configuration Backup and Trans
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29.1 Installation of Active Directo
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29.3 User Account DefinitionFigure
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Chapter 30Kerio Open Directory Exte
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Chapter 31KMS Web AdministrationKMS
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31.2 Setting access rights to the w
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31.5 Page headerFigure 31.4Web Admi
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31.6 Welcome pageLocalizations of K
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31.7 User accountsFigure 31.8Templa
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31.7 User accountsFigure 31.10User
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31.7 User accountsFigure 31.12User
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31.8 User groupsMove user’s messa
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31.8 User groupsFigure 31.16Group a
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31.9 AliasesPublish this group info
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31.9 AliasesFigure 31.20Alias creat
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32.1 Kerio Outlook Connector (Offli
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32.2 Kerio Outlook ConnectorFigure
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32.2 Kerio Outlook ConnectorTIP: If
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32.2 Kerio Outlook ConnectorUse the
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32.2 Kerio Outlook ConnectorNote: I
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33.1 Installation• MS Outlook 200
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33.1 InstallationNote: Kerio Synchr
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34.2 Windows Calendar34.2 Windows C
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Chapter 35CalDAV supportSince 6.5.0
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Chapter 36Support for ActiveSyncSup
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36.2 Supported versions of ActiveSy
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36.3 RoadSyncabcdeDevice typeEmail
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36.4 SSL encryptionWarning: It is n
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36.5 Remote deletion of the device
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36.6 Removing a device from the adm
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36.8 Troubleshooting36.8 Troublesho
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Chapter 37Support for BlackBerry vi
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If any problem occurs regarding com
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Chapter 40Kerio Sync Connector for
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Figure 40.2Log settings in Kerio Sy
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Apple Mail options and settings are
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42.1 Email42.1 EmailOn Apple iPhone
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43.1 Contacts43.1 ContactsUSAKerio
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Nokia ® and Mail for Exchange ® a
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arising from, out of or in connecti
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Glossary of termsApplication protoc
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MX RecordsOne of the record types t
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IndexAaccess rightsgroups 131accoun
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mailing lists 220MAPI 396master aut
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