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+Purpose of this document
+========================
+
+This document provides a road map of the Postfix mail system source
+code distribution. I suggest that you
+
+- take a few minutes to read this file,
+
+- review the RELEASE_NOTES file for incompatible changes,
+
+- and then proceed with the INSTALL instructions.
+
+Introduction
+============
+
+This is the public release of the Postfix mail system. Thank you
+for your interest in this project. Send me a postcard if you like
+it. My postal address is below.
+
+You must read the LICENSE file, if you didn't do so already. A copy
+of the LICENSE must be distributed with every original, modified,
+complete, source, or binary copy of this software or parts thereof.
+I suggest that you keep a copy of the file in /etc/postfix/LICENSE.
+
+Purpose of the Postfix mail system
+==================================
+
+Postfix aims to be an alternative to the widely-used sendmail
+program.
+
+Although IBM supported the Postfix development, it abstains from
+control over its evolution. The goal is to have Postfix installed
+on as many systems as possible. To this end, the software is given
+away with no strings attached to it, so that it can evolve with
+input from and under control by its users.
+
+In other words, IBM releases Postfix only once. I will be around
+to guide its development for a limited time.
+
+On-line resources devoted to the Postfix mail system
+====================================================
+
+Web sites:
+
+ http://www.postfix.org/ current release information
+
+Mail addresses (PLEASE send questions to the mailing list)
+
+ postfix-users@postfix.org Postfix users mailing list
+
+In order to subscribe to the mailing list, see http://www.postfix.org/.
+
+Acknowledgments
+===============
+
+This release could not have happened without the input from a team
+of competent alpha testers. Their names appear in numerous places
+in the HISTORY file. I appreciate the input from my colleagues at
+the IBM Global Security Analysis Laboratory: Paul Karger, Dave
+Safford, Douglas Schales, and Leendert van Doorn. I also appreciate
+the support by Charles Palmer under whose leadership I began this
+project, and who had the privilege to name the software, twice.
+
+Postcards
+=========
+
+If you wish to express your appreciation for the Postfix software,
+you are welcome to send a postcard to:
+
+ Wietse Venema
+ Google
+ 111 8th Avenue, 4th floor
+ New York, NY 10011
+ USA
+
+Roadmap of the Postfix source distribution
+==========================================
+
+The RELEASE_NOTES file describes new features, and lists incompatible
+changes with respect to previous Postfix versions.
+
+The INSTALL file provides a step-by-step guide for building and
+installing Postfix on many popular UNIX platforms.
+
+The COMPATIBILITY file lists features that Postfix does or does
+not yet implement, and how well it works with other software.
+
+The HISTORY file gives a detailed log of changes to the software.
+
+Point your browser at html/index.html for Postfix documentation
+and for hyperlinked versions of Postfix manual pages. Expect
+to see updated versions on-line at http://www.postfix.org/
+
+Point your MANPATH environment variable at the `man' directory (use
+an absolute path) for UNIX-style on-line manual pages. These pages
+are also available through the HTML interface, which allows you to
+navigate faster.
+
+The PORTING file discusses how to go about porting Postfix to other
+UNIX platforms.
+
+Documentation:
+
+ README_FILES/ Instructions for specific Postfix features
+ html/ HTML format
+ man/ UNIX on-line manual page format
+
+Example files:
+
+ conf/ configuration files, run-time scripts
+ examples/ chroot environments, virtual domains
+
+Library routines:
+
+ src/dns/ DNS client library
+ src/global/ Postfix-specific support routines
+ src/milter/ Postfix Milter (mail filter) client
+ src/tls/ TLS client and server support
+ src/util/ General-purpose support routines
+ src/xsasl/ SASL plug-in API
+
+Command-line utilities:
+
+ src/postalias/ Alias database management
+ src/postcat/ List Postfix queue file
+ src/postconf/ Configuration utility
+ src/postdrop/ Postfix mail submission program
+ src/postfix/ Postfix administrative interface
+ src/postkick/ Postfix IPC for shell scripts
+ src/postlock/ Postfix locking for shell scripts
+ src/postlog/ Postfix logging for shell scripts
+ src/postmap/ Postfix lookup table management
+ src/postmulti/ Postfix multi-instance manager
+ src/postqueue/ Postfix queue control program
+ src/postsuper/ Postfix house keeping program
+ src/sendmail/ Sendmail compatibility interface
+
+Postfix daemons:
+
+ src/anvil/ Connection count/rate limiter
+ src/bounce/ Bounce or defer mail
+ src/cleanup/ Canonicalize and enqueue mail
+ src/discard/ Trivial discard mailer
+ src/dnsblog/ DNS agent for postscreen
+ src/error/ Trivial error mailer
+ src/flush/ Support for ETRN, sendmail -qI, sendmail -qR
+ src/local/ Local delivery
+ src/master/ Postfix resident superserver
+ src/oqmgr/ Old queue manager
+ src/pickup/ Local pickup
+ src/pipe/ Pipe delivery
+ src/postlogd/ Syslog alternative, logs to file or stdout
+ src/postscreen/ Zombie blocker
+ src/proxymap/ Table lookup proxy agent
+ src/qmgr/ Queue manager
+ src/qmqpd/ QMQPD server
+ src/scache/ Postfix SMTP session cache
+ src/showq/ List Postfix queue status
+ src/smtp/ SMTP and LMTP client
+ src/smtpd/ SMTP server
+ src/spawn/ Run non-Postfix server
+ src/tlsmgr/ TLS session keys and random pool
+ src/tlsproxy/ TLS proxy for postscreen and outbound connection reuse
+ src/trivial-rewrite/ Address rewriting and resolving
+ src/verify/ address verification service
+ src/virtual/ virtual mailbox-only delivery agent
+
+Test programs:
+
+ src/fsstone/ Measure file system overhead
+ src/posttls-finger/ Postfix SMTP/LMTP TLS probe utility
+ src/smtpstone/ SMTP and QMQP server torture test
+
+Miscellaneous:
+
+ auxiliary/ Auxiliary software etc.
+ bin/ Postfix command executables
+ conf/ Configuration files, run-time scripts
+ include/ Include files
+ implementation-notes/ Background information
+ lib/ Object libraries
+ libexec/ Postfix daemon executables
+ mantools/ Documentation utilities
+ proto/ Documentation source