sendmail Cookbook
- Main Page
- Table of content
- Copyright
- Dedication
- Preface
- Introduction
- Using This Cookbook
- Audience
- Organization
- Software Versions
- Conventions
- We d Like to Hear from You
- Acknowledgments
- Chapter 1. Getting Started
- Introduction
- Recipe 1.1 Downloading the Latest Release
- Recipe 1.2 Installing sendmail
- Recipe 1.3 Compiling sendmail to Use LDAP
- Recipe 1.4 Adding the regex Map Type to sendmail
- Recipe 1.5 Compiling sendmail with SASL Support
- Recipe 1.6 Compiling sendmail with STARTTLS Support
- Recipe 1.7 Compiling in STARTTLS File Paths
- Recipe 1.8 Building a sendmail Configuration
- Recipe 1.9 Testing a New Configuration
- Recipe 1.10 Logging sendmail
- Chapter 2. Delivery and Forwarding
- Introduction
- Recipe 2.1 Accepting Mail for Other Hosts
- Recipe 2.2 Fixing the Alias0 Missing Map Error and Creating Simple Aliases
- Recipe 2.3 Reading Aliases via LDAP
- Recipe 2.4 Configuring Red Hat 7.3 to Read Aliases from a NIS Server
- Recipe 2.5 Configuring Solaris 8 to Read Aliases from a NIS Server
- Recipe 2.6 Forwarding to an External Address
- Recipe 2.7 Creating Mailing Lists
- Recipe 2.8 Migrating Ex-Users to New Addresses
- Recipe 2.9 Delivering Mail to a Program
- Recipe 2.10 Using Program Names in Mailing Lists
- Recipe 2.11 Allowing Nonlogin Users to Forward to Programs
- Recipe 2.12 Fixing a .forward Loop
- Recipe 2.13 Enabling the User Database
- Chapter 3. Relaying
- Introduction
- Recipe 3.1 Passing All Mail to a Relay
- Recipe 3.2 Passing Outbound Mail to a Relay
- Recipe 3.3 Passing Local Mail to a Mail Hub
- Recipe 3.4 Passing Apparently Local Mail to a Relay
- Recipe 3.5 Passing UUCP Mail to a Relay
- Recipe 3.6 Relaying Mail for All Hosts in a Domain
- Recipe 3.7 Relaying Mail for Individual Hosts
- Recipe 3.8 Configuring Relaying on a Mail Exchanger
- Recipe 3.9 Loading Class R via LDAP
- Recipe 3.10 Relaying Only Outbound Mail
- Chapter 4. Masquerading
- Introduction
- Recipe 4.1 Adding Domains to All Sender Addresses
- Recipe 4.2 Masquerading the Sender Hostname
- Recipe 4.3 Eliminating Masquerading for the Local Mailer
- Recipe 4.4 Forcing Masquerading of Local Mail
- Recipe 4.5 Masquerading Recipient Addresses
- Recipe 4.6 Masquerading at the Relay Host
- Recipe 4.7 Limiting Masquerading
- Recipe 4.8 Masquerading All Hosts in a Domain
- Recipe 4.9 Masquerading Most of the Hosts in a Domain
- Recipe 4.10 Masquerading the Envelope Address
- Recipe 4.11 Rewriting the From Address with the genericstable
- Recipe 4.12 Rewriting Sender Addresses for an Entire Domain
- Recipe 4.13 Masquerading with LDAP
- Recipe 4.14 Reading the genericstable via LDAP
- Chapter 5. Routing Mail
- Introduction
- Recipe 5.1 Routing Mail to Special Purpose Mailers
- Recipe 5.2 Sending Error Messages from the mailertable
- Recipe 5.3 Disabling MX Processing to Avoid Loops
- Recipe 5.4 Routing Mail for Local Delivery
- Recipe 5.5 Reading the mailertable via LDAP
- Recipe 5.6 Routing Mail for Individual Virtual Hosts
- Recipe 5.7 Routing Mail for Entire Virtual Domains
- Recipe 5.8 Reading the virtusertable via LDAP
- Recipe 5.9 Routing Mail with LDAP
- Recipe 5.10 Using LDAP Routing with Masquerading
- Chapter 6. Controlling Spam
- Introduction
- Recipe 6.1 Blocking Spam with the access Database
- Recipe 6.2 Preventing Local Users from Replying to Spammers
- Recipe 6.3 Reading the access Database via LDAP
- Recipe 6.4 Using a DNS Blackhole List Service
- Recipe 6.5 Building Your Own DNS Blackhole List
- Recipe 6.6 Whitelisting Blacklisted Sites
- Recipe 6.7 Filtering Local Mail with procmail
- Recipe 6.8 Filtering Outbound Mail with procmail
- Recipe 6.9 Invoking Special Header Processing
- Recipe 6.10 Using Regular Expressions in sendmail
- Recipe 6.11 Identifying Local Problem Users
- Recipe 6.12 Using MILTER
- Recipe 6.13 Bypassing Spam Checks
- Recipe 6.14 Enabling Spam Checks on a Per-User Basis
- Chapter 7. Authenticating with AUTH
- Introduction
- Recipe 7.1 Offering AUTH Authentication
- Recipe 7.2 Authenticating with AUTH
- Recipe 7.3 Storing AUTH Credentials in the authinfo File
- Recipe 7.4 Limiting Advertised Authentication Mechanisms
- Recipe 7.5 Using AUTH to Permit Relaying
- Recipe 7.6 Controlling the AUTHParameter
- Recipe 7.7 Avoiding Double Encryption
- Recipe 7.8 Requiring Authentication
- Recipe 7.9 Selectively Requiring Authentication
- Chapter 8. Securing the Mail Transport
- Introduction
- Recipe 8.1 Building a Private Certificate Authority
- Recipe 8.2 Creating a Certificate Request
- Recipe 8.3 Signing a Certificate Request
- Recipe 8.4 Configuring sendmail for STARTTLS
- Recipe 8.5 Relaying Based on the CA
- Recipe 8.6 Relaying Based on the Certificate Subject
- Recipe 8.7 Requiring Outbound Encryption
- Recipe 8.8 Requiring Inbound Encryption
- Recipe 8.9 Requiring a Verified Certificate
- Recipe 8.10 Requiring TLS for a Recipient
- Recipe 8.11 Refusing STARTTLS Service
- Recipe 8.12 Selectively Advertising STARTTLS
- Recipe 8.13 Requesting Client Certificates
- Chapter 9. Managing the Queue
- Introduction
- Recipe 9.1 Creating Multiple Queues
- Recipe 9.2 Using qf, df, and xf Subdirectories
- Recipe 9.3 Defining Queue Groups
- Recipe 9.4 Assigning Recipients to Specific Queues
- Recipe 9.5 Using Persistent Queue Runners
- Recipe 9.6 Using a Queue Server
- Recipe 9.7 Setting Protocol Timers
- Chapter 10. Securing sendmail
- Introduction
- Recipe 10.1 Limiting the Number of sendmail Servers
- Recipe 10.2 Limiting the Number of Network Accessible Servers
- Recipe 10.3 Updating to Close Security Holes
- Recipe 10.4 Patching to Close Security Holes
- Recipe 10.5 Disabling Delivery to Programs
- Recipe 10.6 Controlling Delivery to Programs
- Recipe 10.7 Disabling Delivery to Files
- Recipe 10.8 Bypassing User .forward Files
- Recipe 10.9 Controlling Delivery to Files
- Recipe 10.10 Running sendmail Non-Set-User-ID root
- Recipe 10.11 Setting a Safe Default User ID
- Recipe 10.12 Defining Trusted Users
- Recipe 10.13 Identifying the sendmail Administrator
- Recipe 10.14 Limiting the SMTP Command Set
- Recipe 10.15 Requiring a Valid HELO
- Recipe 10.16 Restricting Command-Line Options
- Recipe 10.17 Denying DoS Attacks
- Colophon
- Index
- Index SYMBOL
- Index A
- Index B
- Index C
- Index D
- Index E
- Index F
- Index G
- Index H
- Index I
- Index K
- Index L
- Index M
- Index N
- Index O
- Index P
- Index Q
- Index R
- Index S
- Index T
- Index U
- Index V
- Index X
- Index Y