Administrator's Guide - Kerio Software Archive

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Chapter 16 Antispam control of the SMTP serverFigure 16.2Blacklists tabTo create a whitelist, a new IP group must be defined. To define a new IP group, click Edit.This opens a dialog, where a custom IP group of SMTP servers (or users) can be created.Note: All IP ranges reserved for private networks are added to the whitelist automatically.127.0.0.110.0.0.0/8172.16.0.0/12192.168.0.0/16This applies to the following IP ranges: However, all IP addresses, though included in thewhitelist, are verified in the blacklist (Custom blacklist of spammer IP addresses). Thismay be helpful when it is necessary to block any of these addresses.Custom blacklist of spammer IP addressesIn this section, it is possible to define a custom group of IP addresses of SMTP servers (orusers) known as spammers. Click Edit to edit the selected group or to create a new one.Any messages sent from any SMTP server included in the blacklist can be blocked or itsspam rating value can be increased:• Block the messageThe message will be blocked on the SMTP level and the sender will be informed thatthe message cannot be delivered.• Add this value to the message’s spam score:Set spam score will be added to the message’s score.In case of blacklist, the recommended score value is from 1 to 4 points.174
16.2 Blacklists tabInternet databasesKerio MailServer can use various spammer databases (free or paid) available in the Internet.Spammer databases include list of SMTP servers which are known as spam senders.There are multiple online spammer databases available. Some of them are free and someof them must be purchased. Generally, quality of services provided by paid databases ishigher and their blacklists of SMTP servers are more reliable.Online spammer databases work separately and they can be combined.By default, Kerio MailServer contains a few databases which can be downloaded from theInternet for free. It is also possible to define any other databases. This can be done inthe Internet Blacklist dialog (see figure 16.4) which can be opened by clicking on the Addbutton located below the list of databases. The dialog allows setting of the followingoptions:Figure 16.3 Internet databasesDNS suffixEnter name of the DNS server used by Kerio MailServer.DescriptionOptional entry, for reference only.Block the messageIn this mode, connections from servers included in the blacklist will be blocked.Message(s) will be rejected by Kerio MailServer. Senders will be informed that theirmessages cannot be delivered.175
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Administrator’s GuideKerio Techno
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36 Support for ActiveSync . . . . .
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Chapter 1 IntroductionPersonal and
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1.2 Quick ChecklistBlackBerry suppo
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1.2 Quick Checklist11. If email for
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2.2 Conflicting software2.2 Conflic
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2.4 InstallationBy default, Kerio M
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2.4 InstallationSelect a folder whe
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2.4 InstallationFigure 2.5Custom in
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2.4 InstallationKerio MailServer En
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2.4 InstallationThe product support
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2.4 Installation(Kerio Administrati
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2.5 Configuration WizardNote: The c
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2.5 Configuration WizardFigure 2.16
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2.6 Upgrade and UninstallationWhen
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Chapter 3Product Registration and L
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3.2 Registration with the administr
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3.2 Registration with the administr
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3.3 License information and import
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3.4 Licensing policyOnce number of
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4.1 Kerio MailServer MonitorFigure
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4.2 Standalone processes of the ser
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5.2 Administration WindowThe same d
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5.2 Administration WindowStatus bar
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Chapter 6ServicesIn Configuration
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6.1 Service Parameter Settings• a
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6.1 Service Parameter SettingsFigur
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6.3 TroubleshootingFigure 6.5The De
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Chapter 7DomainsKerio MailServer ca
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7.2 GeneralFigure 7.2Domain setting
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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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Page 125 and 126: 13.10 Import UsersFor detailed info
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Page 131 and 132: Chapter 14User groupsUser accounts
Page 133 and 134: 14.1 Creating a User GroupGroup add
Page 135 and 136: 14.1 Creating a User GroupPublish t
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Page 143 and 144: 15.2 SMTP serverAuthentication by I
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Page 151 and 152: 15.4 remote POP3 mailboxesFigure 15
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Page 167 and 168: 15.6 Advanced Optionsstartup of the
Page 169 and 170: 15.6 Advanced OptionsKerio WebMail
Page 171 and 172: 16.1 Spam Rating tab16.1 Spam Ratin
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Page 177 and 178: 16.3 Custom RulesSORBSSpam and Open
Page 179 and 180: 16.3 Custom RulesUse the Add button
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Page 183 and 184: 16.4 SpamAssassinFigure 16.7SpamAss
Page 185 and 186: 16.5 Email policy records checksend
Page 187 and 188: 16.6 Spam repellentFigure 16.9SPFOn
Page 189 and 190: 16.7 Recommended configuration of a
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Page 201 and 202: 17.5 Filtering Email Attachments17.
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Page 205 and 206: 18.1 ArchivingPath to the archive d
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Page 215 and 216: Chapter 19LDAP serverThe built-in L
Page 217 and 218: 19.2 Configuring Email ClientsFigur
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Page 221 and 222: 20.2 Creating a Mailing List• con
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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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