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The book of IMAP : building a mail server with Courier and Cyrus /
The IMAP (Internet Message Access Protocol) and POP3 (Post Office Protocol) protocols govern the behavior of all modern mail servers and clients. IMAP and POP3 provides a detailed introduction to POP3 and IMAP, including many practical hints for even the most experienced administrator. You'll l...
| Clasificación: | Libro Electrónico |
|---|---|
| Autores principales: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés Alemán |
| Publicado: |
Munich : San Francisco :
Open Source Press ; No Starch Press,
©2008.
|
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Introduction
- PART I: How to Set Up and Maintain IMAP Servers
- 1: Protocols and Terms
- Why is IMAP so Complex?
- Comparing Courier and Cyrus
- 2: POP3 and IMAP at the Protocol Level
- POP3
- Test Session
- Authentication via APOP and KPOP
- IMAP
- The Design of the IMAP Protocol
- Transcript of an IMAP Session
- A Practical View of IMAP
- Subscribing to IMAP Folders
- 3: Load Distribution and Reliability
- Load Balancer
- DNS Round Robin
- Round Robin via iptables
- Linux Virtual Server
- IMAP Proxies
- 4: Selecting a Filesystem
- Tuning the Performance of the Filesystem
- The atime
- Access Control Lists
- The Ext2/Ext3 Option dir_index
- Journal Mode
- Optimized fstab Entries
- RAID
- NFS
- Disabling atime and Optimizing Block Size
- NFS Version 3
- Fast I/O
- A Performance Test
- 5: Complementary Webmail Clients
- Squirrelmail
- Horde/IMP
- Fast Access via the IMAP Cache Proxy
- 6: Migrating IMAP Servers
- Migrating using imapsync
- Converting mbox to maildir
- Modifying Folder Names
- Determining Cleartext Passwords
- PART II: Courier IMAP
- 7: Structure and Basic Configuration
- Installing the Software
- What is Where?
- Initial Start-Up
- Courier and MTAs
- Courier and Postfix
- Courier and QMail
- Courier and Exim
- Optimizing the Configuration
- Real and "False" Configuration Parameters
- POP3 Configuration in /etc/courier/pop3d
- Configuring the IMAP Daemon in /etc/courier/imapd
- The Configuration Files for SSL
- 8: Maildir as Email Storage Format
- The IMAP Namespace
- Filenames of Emails
- Keywords: Custom IMAP Flags
- 9: User Data
- authtest and DEBUG_LOGIN for Debugging Assistance
- The authdaemond
- Authentication via PAM
- The authuserdb Module
- Converting passwd into a userdb
- Maintaining Account Data with userdb.
- Creating a Binary Version of the User Database
- Separating the userdb into Multiple Files
- The atime
- Using QMail's vchkpw Library for Authentication
- Implementing Custom Authentication Methods
- Integrating External Authentication Programs
- Authentication via MySQL
- Authentication via PostgreSQL
- Authentication via LDAP
- Obsolete Authentication Modules
- The authpwd Module
- The authshadow Module
- The authcram Module
- User Options
- Saving User Options in the userdb
- Individual User Options in an LDAP Directory
- Storing User Options in Dedicated Fields in an SQL Table
- Saving Passwords: Cleartext or Hash?
- Username Selection When Maintaining Multiple Domains
- 10: The Work of a Courier Administrator
- Shared Folders
- Setting Up Virtual Shared Folders
- Creating Filesystem-Based Shared Folders
- Quotas
- Quotas for Courier
- Quotas and the MDA
- Building an IMAP Proxy with Courier
- Push Instead of Pull: The IDLE Command
- Sending Emails via the IMAP Server
- PART III: Cyrus IMAP
- 11: Structure and Basic Configuration
- Installing Cyrus
- OpenSuSE/SuSE Linux Enterprise Server (SLES)
- Fedora Core/Red Hat
- Debian
- The Cyrus Hierarchy and Permissions System
- Features and Functions
- Quick Start
- Authentication and Mailboxes
- Tests
- 12: A Closer Look at the Configuration Files
- /etc/cyrus.conf
- The START{} Section
- The SERVICES{} Section
- The EVENTS{} Section
- /etc/imapd.conf
- 13: Authentication and Safeguards
- Encrypting with SSL/TLS
- SSL Transmission Types
- Real and Fake Certificates
- Creating and Integrating SSL Certificates
- Cyrus SASL
- Cyrus SASL Modules
- The auxprop Module
- The Authentication Process
- Calling Different Data Sources
- Standard Authentication Methods for Unix
- sasldb2
- Cyrus and MySQL
- Cyrus and LDAP
- Cyrus and Kerberos.
- 14: Advanced Cyrus Configuration
- Mailbox Quotes
- Automatic Quotas
- Manual Quotas
- Shared Folders and ACLs
- Virtual Domains
- The Underlying Concept
- Effects on ACLs
- Domain Administrators
- Sorting Emails into Subdirectories
- Email Partitions
- The Sieve Email Filter
- The Email Filter Daemon timsieved
- Configuring and Testing
- The sieveshell Administration Tool
- The Sieve Script Language
- Setting Up Sieve Scripts Automatically for New Accounts
- Adapting Sieve Scripts
- The notifyd Daemon
- Drums or Smoke Signals?
- Cyrus and Other MTAs
- Backing Up and Restoring Data
- Using reconstruct to Repair Mailboxes
- Restoring Quotas
- Performance Tuning
- Parameters in /etc/imapd.conf that Influence Performance
- 15: Internal Structure and Modules
- The Cyrus Daemons
- Tools for Analysis, Maintenance, and Repairs
- Statistics and Analysis
- Maintenance and Repair
- Internal Tools
- Other In-House Tools
- The cyradm Administration Tool
- 16: Cyrus at the Filesystem Level
- The Email Directory
- The Administration Directory
- 17: Cyrus in a Cluster
- The Cyrus Aggregator
- The Aggregator Concept
- The Cluster Setup
- Cyrus Replication
- Replicating the Authentication Data
- A: IMAP Command Reference
- Commands Always Available to Clients
- Commands Available in the Not-Authenticated Status
- Commands Available in the Authenticated Status
- Commands Available in the Selected Status
- IMAP Extensions
- Experimental Commands
- B: POP3 Command Reference
- An Overview of All Commands
- C: Installing from the Source Code
- Courier
- Cyrus
- Cyrus Sources
- Creating a System User
- Installing Cyrus SASL
- Installing the Cyrus IMAP Server
- Convenient Starting and Stopping
- Index.