Kerio Connect - Administrators Guide - Kerio Software Archive

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Protecting SMTP the server in Kerio ConnectWhy to configure the SMTP serverWhen correctly configured, the SMTP will protect your Kerio Connect from misuse. It enablesyou to define who will be allowed to send outgoing message via this server and what actionsthey can perform.Once an unprotected SMTP server is accessible from the Internet (anytime when at least oneMX record is directed to it and the port 25 is available for access), anyone can connect to theserver and send email messages through it (usually spam).Spammers may use your SMTP server to send out spam messages.company may be added to a spam blacklist.Thus yourHow to configure who can connect to SMTP serverTo configure SMTP settings, login to the administration interface:1. Go to section Configuration → SMTP Server → tab Relay Control.2. Select Allow relay only for.If you enable this option, users not specified will be able to send messagesonly to the local domains.3. Check Users from IP address group to specify a group of IP address which can sendoutgoing messages.Usually local addresses are added. However if you wish to protect userswho send messages from local addresses, check option Require authenticationwhen accepting message with sender from a local domain.4. Check Users authenticated through SMTP for outgoing mail to allow all Kerio Connectusers sending outgoing messages.92
26.2 How to configure who can connect to SMTP server5. Check Users previously authenticated through POP3 .... to allow sending outgoingmessages to all users who have previously authenticated through POP3 from the sameIP address and specify the time between POP3 and SMTP authentication.Authentication by IP addresses is independent from authentication byusernames; therefore users must meet at least one of these conditions. If bothUsers from IP address group and Users authenticated through SMTP serveroptions are selected and the SMTP authentication fails, Kerio Connect does notverify, if the user belongs to the allowed IP addresses.6. Confirm the settings.Messages from allowed users will not be checked by SPF, Caller ID and SpamAssassin.Figure 1SMTP server93
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© 2013 Kerio Technologies s.r.o.
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Configuring anti-spoofing in Kerio
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Configuring instant messaging in Ke
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Installing Kerio ConnectKerio Conne
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Installing Kerio ConnectNew install
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Upgrading Kerio ConnectWhat can be
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Upgrading Kerio ConnectUse this com
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Uninstalling Kerio ConnectDuring th
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Kerio Connect VMware Virtual Applia
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Kerio Connect VMware Virtual Applia
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Accessing Kerio ConnectFigure 1Admi
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Accessing Kerio ConnectKerio Connec
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Registering Kerio ConnectWhy to reg
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Registering Kerio ConnectInstalling
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Accessing Kerio Connect administrat
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Accessing Kerio Connect administrat
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Domains in Kerio ConnectInternet ho
Page 42 and 43: Creating domains in Kerio ConnectAd
Page 44 and 45: Connecting Kerio Connect to directo
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Page 48 and 49: Renaming domains in Kerio ConnectWh
Page 50 and 51: Distributed domains in Kerio Connec
Page 52 and 53: Creating user accounts in Kerio Con
Page 54 and 55: Creating user accounts in Kerio Con
Page 56 and 57: Creating user groups in Kerio Conne
Page 58 and 59: Creating user groups in Kerio Conne
Page 60 and 61: Setting access rights in Kerio Conn
Page 62 and 63: Maintaining user accounts in Kerio
Page 68 and 69: Creating mailing lists in Kerio Con
Page 70 and 71: Importing users in Kerio ConnectWhe
Page 72 and 73: Importing users in Kerio Connect3.
Page 74 and 75: Exporting users in Kerio ConnectExp
Page 76 and 77: Creating aliases in Kerio ConnectFi
Page 78 and 79: Creating aliases in Kerio ConnectEx
Page 80 and 81: Configuring resources in Kerio Conn
Page 82 and 83: Monitoring Kerio ConnectMonitoring
Page 84 and 85: Monitoring Kerio Connect• interva
Page 86 and 87: Monitoring Kerio ConnectTo display
Page 88 and 89: Services in Kerio ConnectFigure 1Se
Page 90 and 91: Services in Kerio Connect• (HTTPS
Page 94 and 95: Protecting SMTP the server in Kerio
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Page 98 and 99: Securing Kerio ConnectPassword poli
Page 100 and 101: Configuring anti-spoofing in Kerio
Page 102 and 103: Configuring anti-spoofing in Kerio
Page 104 and 105: Password policy in Kerio Connect3.
Page 106 and 107: Password policy in Kerio ConnectNot
Page 108 and 109: Authenticating messages with DKIMTo
Page 110 and 111: Configuring DNS for DKIMAdding a DK
Page 112 and 113: Configuring DNS for DKIMGenerating
Page 114 and 115: Configuring DNS for DKIMKerio Conne
Page 116 and 117: Configuring spam control in Kerio C
Page 118 and 119: Configuring spam control in Kerio C
Page 120 and 121: Configuring greylistingFigure 1Grey
Page 122 and 123: Blocking messages from certain serv
Page 124 and 125: Blocking messages from certain serv
Page 126 and 127: Configuring Caller ID and SPF in Ke
Page 128 and 129: Creating custom rules for spam cont
Page 130 and 131: Antivirus control in Kerio ConnectA
Page 132 and 133: Antivirus control in Kerio ConnectC
Page 134 and 135: Filtering message attachments in Ke
Page 136 and 137: Configuring IP address groupsWhen t
Page 138 and 139: Creating time ranges in Kerio Conne
Page 140 and 141: Public folders in Kerio ConnectCrea
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Configuring DNS for instant messagi
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Customizing Kerio ConnectDefining c
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Customizing Kerio Connect3. Open th
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Translating Kerio Connect client to
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Configuring data store in Kerio Con
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Archiving in Kerio ConnectWhat can
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Archiving in Kerio ConnectNo diacri
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Backups in Kerio ConnectFigure 1Arc
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Examples of data recovery in Kerio
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Examples of data recovery in Kerio
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Data recovery in Kerio ConnectRecov
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Data recovery in Kerio ConnectAbbre
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Data recovery in Kerio Connect• l
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Configuring SSL certificates in Ker
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Managing logs in Kerio ConnectWhat
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Managing logs in Kerio Connectcan,
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Kerio Open Directory ExtensionHow t
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Managing mobile devicesManaging mob
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Managing mobile devicesIt is not po
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Switching between Kerio Connect cli
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Kerio Connect — Legal noticesTrad
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Kerio Connect — Legal noticesBluf
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Kerio Connect — Legal noticeslibs
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Kerio Connect - Administrators Guide - Kerio Software Archive

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