IronPort - advanced configuration guide

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Contents viii SMTP Authentication via Second SMTP Server (SMTP Auth with Forwarding) 3-34 SMTP Authentication with LDAP 3-35 Enabling SMTP Authentication on a Listener 3-36 Outgoing SMTP Authentication 3-39 Logging and SMTP Authentication 3-40 Configuring External Authentication for Users 3-40 User Accounts Query 3-41 Group Membership Queries 3-41 Spam Quarantine End-User Authentication Queries 3-43 Sample Active Directory End-User Authentication Settings 3-43 Sample OpenLDAP End-User Authentication Settings 3-44 Spam Quarantine Alias Consolidation Queries 3-44 Sample Active Directory Alias Consolidation Settings 3-45 Sample OpenLDAP Alias Consolidation Settings 3-45 User Distinguished Name Queries 3-45 Sample User Distinguished Name Settings 3-46 Sample OpenLDAP User Distinguished Name Settings 3-46 Configuring AsyncOS To Work With Multiple LDAP Servers 3-46 Testing Servers and Queries 3-47 Failover 3-47 Configuring the Cisco IronPort Appliance for LDAP Failover 3-47 Load Balancing 3-48 Configuring the Cisco IronPort Appliance for Load Balancing 3-48 CHAPTER 4 Validating Recipients Using an SMTP Server 4-1 SMTP Call-Ahead Recipient Validation: Overview 4-1 Configuring SMTP Call-Ahead Recipient Validation 4-3 Configuring the Call-Ahead Server Profile 4-3 SMTP Call-Ahead Server Profile Settings 4-4 Call Ahead Server Responses 4-5 Enabling the SMTP Call-Ahead Server Profile on a Public Listener 4-6 Configuring LDAP Routing Query Settings 4-7 SMTP Call-Ahead Query Routing 4-8 Bypassing SMTP Call-Ahead Validation 4-9 CHAPTER 5 Email Authentication 5-1 Email Authentication Overview 5-1 DomainKeys and DKIM Authentication: Overview 5-2 Cisco IronPort AsyncOS 7.6 for Email Advanced Configuration Guide OL-25137-01
OL-25137-01 DomainKeys and DKIM Signing in AsyncOS 5-3 Configuring DomainKeys and DKIM Signing 5-4 Signing Keys 5-4 Exporting and Importing Signing Keys 5-4 Public Keys 5-5 Domain Profiles 5-5 Exporting and Importing Domain Profiles 5-6 Enabling Signing for Outgoing Mail 5-6 Enabling Signing for Bounce and Delay Messages 5-6 Configuring DomainKeys/DKIM Signing (GUI) 5-7 Creating Domain Profiles for DomainKeys Signing 5-8 Creating Domain Profiles for DKIM Signing 5-8 Creating New Signing Keys 5-11 Exporting Signing Keys 5-11 Importing or Entering Existing Signing Keys 5-12 Deleting Signing Keys 5-12 Generating a DNS Text Record 5-12 Testing Domain Profiles 5-13 Exporting Domain Profiles 5-14 Importing Domain Profiles 5-14 Deleting Domain Profiles 5-14 Searching Domain Profiles 5-14 Signing System-Generated Messages 5-15 Domain Keys and Logging 5-15 Configuring DKIM Verification 5-15 Managing DKIM Verification Profiles 5-16 Creating a DKIM Verification Profile 5-17 Exporting DKIM Verification Profiles 5-19 Importing DKIM Verification Profiles 5-19 Deleting DKIM Verification Profiles 5-19 Searching DKIM Verification Profiles 5-20 Configuring DKIM Verification on the Mail Flow Policy 5-20 DKIM Verification and Logging 5-20 Configuring an Action for DKIM Verified Mail 5-21 Overview of SPF and SIDF Verification 5-22 A Note About Valid SPF Records 5-22 Working with SPF on a Cisco IronPort Email Security Appliance 5-23 Enabling SPF and SIDF 5-24 Enabling SPF and SIDF via the CLI 5-25 Cisco IronPort AsyncOS 7.6 for Email Advanced Configuration Guide Contents ix
Page 1 and 2: Cisco IronPort AsyncOS 7.6 for Emai
Page 3 and 4: OL-25137-01 Preface xvii Before you
Page 5 and 6: OL-25137-01 Deleting Entries from t
Page 7: OL-25137-01 Configuring Global Sett
Page 11 and 12: OL-25137-01 Valid Rule 6-20 Subject
Page 13 and 14: OL-25137-01 Viewing Non-ASCII Chara
Page 15 and 16: OL-25137-01 Administering a Cluster
Page 17 and 18: OL-25137-01 Preface The Cisco IronP
Page 19 and 20: Typographic Conventions Typeface or
Page 21 and 22: OL-25137-01 Customizing Listeners C
Page 23 and 24: Chapter 1 Customizing Listeners OL-
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OL-25137-01 CHAPTER 2 Configuring R
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Chapter 2 Configuring Routing and D
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Overview OL-25137-01 LDAP Queries C
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Chapter 3 LDAP Queries Understandin
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Chapter 3 LDAP Queries OL-25137-01
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Chapter 3 LDAP Queries Configuring
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Chapter 3 LDAP Queries LDAP Query S
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Chapter 3 LDAP Queries Testing LDAP
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Chapter 3 LDAP Queries Spam Quarant
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OL-25137-01 CHAPTER 4 Validating Re
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Chapter 4 Validating Recipients Usi
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OL-25137-01 Email Authentication CH
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Chapter 5 Email Authentication Doma
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Chapter 5 Email Authentication Expo
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Chapter 5 Email Authentication Test
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Overview OL-25137-01 CHAPTER 6 Usin
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Chapter 6 Using Message Filters to
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OL-25137-01 CHAPTER Advanced Networ
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Chapter 7 Advanced Network Configur
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OL-25137-01 Centralized Management
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OL-25137-01 AsyncOS Quick Reference
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Appendix A AsyncOS Quick Reference
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FTP Access OL-25137-01 Accessing th
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Appendix B Accessing the Appliance
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Appendix B Accessing the Appliance
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Symbols /dev/null, in alias tables
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overview 2-28 domain profile deleti
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loose SMTP address parsing 1-9 malf
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scanning images 6-67 scp command B-
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