converted UPGRADING.pod
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Matt Simerson
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README
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README
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#
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# this file is best read with `perldoc README`
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#
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=head1 NAME
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Qpsmtpd - qmail perl simple mail transfer protocol daemon
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web:
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http://smtpd.github.io/qpsmtpd/
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mailinglist:
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qpsmtpd-subscribe@perl.org
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FAQ:
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https://github.com/smtpd/qpsmtpd/wiki/faq
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=head1 DESCRIPTION
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What is Qpsmtpd?
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Qpsmtpd is an extensible SMTP engine written in Perl. No, make that
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easily extensible! See plugins/quit_fortune for a very useful, er,
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cute example.
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=head2 License
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Qpsmtpd is licensed under the MIT License; see the LICENSE file for
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more information.
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=head2 What's new in this release?
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See the Changes file! :-)
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=head1 Installation
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=head2 Required Perl Modules
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The following Perl modules are required:
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Net::DNS
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MIME::Base64
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Mail::Header (part of the MailTools distribution)
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If you use a version of Perl older than 5.8.0 you will also need
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Data::Dumper
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File::Temp
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Time::HiRes
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The easiest way to install modules from CPAN is with the CPAN shell.
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Run it with
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perl -MCPAN -e shell
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=head2 qpsmtpd installation
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Make a new user and a directory where you'll install qpsmtpd. I
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usually use "smtpd" for the user and /home/smtpd/qpsmtpd/ for the
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directory.
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Put the files there. If you install from git you can just do
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run the following command in the /home/smtpd/ directory.
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git clone git://github.com/smtpd/qpsmtpd.git
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Beware that the master branch might be unstable and unsuitable for anything
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but development, so you might want to get a specific release, for
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example (after running git clone):
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git checkout -b local_branch v0.93
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chmod o+t ~smtpd/qpsmtpd/ (or whatever directory you installed qpsmtpd
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in) to make supervise start the log process.
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Edit the file config/IP and put the ip address you want to use for
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qpsmtpd on the first line (or use 0 to bind to all interfaces).
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If you use the supervise tools, then you are practically done!
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Just symlink /home/smtpd/qpsmtpd into your /services (or /var/services
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or /var/svscan or whatever) directory. Remember to shutdown
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qmail-smtpd if you are replacing it with qpsmtpd.
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If you don't use supervise, then you need to run the ./run script in
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some other way.
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The smtpd user needs write access to ~smtpd/qpsmtpd/tmp/ but should
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not need to write anywhere else. This directory can be configured
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with the "spool_dir" configuration and permissions can be set with
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"spool_perms".
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As per version 0.25 the distributed ./run script runs tcpserver with
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the -R flag to disable identd lookups. Remove the -R flag if that's
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not what you want.
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=head2 Configuration
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Configuration files can go into either /var/qmail/control or into the
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config subdirectory of the qpsmtpd installation. Configuration should
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be compatible with qmail-smtpd making qpsmtpd a drop-in replacement.
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If qmail is installed in a nonstandard location you should set the
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$QMAIL environment variable to that location in your "./run" file.
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If there is anything missing, then please send a patch (or just
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information about what's missing) to the mailinglist or a PR to github.
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=head1 Better Performance
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For better performance we recommend using "qpsmtpd-forkserver" or
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running qpsmtpd under Apache 2.x. If you need extremely high
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concurrency use http://haraka.github.io/
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=head1 Plugins
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The qpsmtpd core only implements the SMTP protocol. No useful
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function can be done by qpsmtpd without loading plugins.
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Plugins are loaded on startup where each of them register their
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interest in various "hooks" provided by the qpsmtpd core engine.
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At least one plugin MUST allow or deny the RCPT command to enable
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receiving mail. The "rcpt_ok" is one basic plugin that does
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this. Other plugins provide extra functionality related to this; for
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example the resolvable_fromhost plugin described above.
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=head1 Configuration files
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All the files used by qmail-smtpd should be supported; so see the man
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page for qmail-smtpd. Extra files used by qpsmtpd include:
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=over 4
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=item plugins
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List of plugins, one per line, to be loaded in the order they
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appear in the file. Plugins are in the plugins directory (or in
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a subdirectory of there).
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=item rhsbl_zones
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Right hand side blocking lists, one per line. For example:
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dsn.rfc-ignorant.org does not accept bounces - http://www.rfc-ignorant.org/
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See http://www.rfc-ignorant.org/ for more examples.
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=item dnsbl_zones
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Normal ip based DNS blocking lists ("RBLs"). For example:
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relays.ordb.org
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spamsources.fabel.dk
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=item spool_dir
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If this file contains a directory, it will be the spool directory
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smtpd uses during the data transactions. If this file doesn't exist, it
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will default to use $ENV{HOME}/tmp/. This directory should be set with
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a mode of 700 and owned by the smtpd user.
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=item spool_perms
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The default spool permissions are 0700. If you need some other value,
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chmod the directory and set it's octal value in config/spool_perms.
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=item tls_before_auth
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If this file contains anything except a 0 on the first noncomment line, then
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AUTH will not be offered unless TLS/SSL are in place, either with STARTTLS,
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or SMTP-SSL on port 465.
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=item everything (?) that qmail-smtpd supports.
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In my test qpsmtpd installation I have a "config/me" file containing
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the hostname I use for testing qpsmtpd (so it doesn't introduce itself
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with the normal name of the server).
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=back
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=head1 Problems
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In case of problems, always check the logfile first.
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By default, qpsmtpd logs to log/main/current. Qpsmtpd can log a lot of
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debug information. You can get more or less by adjusting the number in
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config/loglevel. Between 1 and 3 should give you a little. Setting it
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to 10 or higher will get lots of information in the logs.
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If the logfile doesn't give away the problem, then post to the
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mailinglist (subscription instructions above). If possible, put
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the logfile on a webserver and include a reference to it in the mail.
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@ -1,22 +1,21 @@
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=head1 Upgrade notes
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# Upgrade notes
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When upgrading please review these notes for the versions you are
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upgrading I<from>.
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upgrading _from_.
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=head2 v0.84 or below
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## v0.84 or below
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=head3 CHECK_RELAY, CHECK_NORELAY, RELAY_ONLY
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### CHECK\_RELAY, CHECK\_NORELAY, RELAY\_ONLY
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All 3 plugins are deprecated and replaced with a new 'relay'
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plugin. The new plugin reads the same config files (see 'perldoc
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plugins/relay') as the previous plugins. To get the equivalent
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functionality of enabling 'relay_only', use the 'only' argument to the
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functionality of enabling 'relay\_only', use the 'only' argument to the
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relay plugin as documented in the RELAY ONLY section of plugins/relay.
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=head3 GREYLISTING plugin
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### GREYLISTING plugin
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'mode' config argument is deprecated. Use reject and reject_type instead.
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'mode' config argument is deprecated. Use reject and reject\_type instead.
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The greylisting DB format has changed to accommodate IPv6
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addresses. (The DB key has colon ':' seperated fields, and IPv6
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@ -28,19 +27,16 @@ qpsmtpd once, make one connection. A log entry will be made, telling
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how many records were upgraded. Remove the upgrade option from your
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config.
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=head3 SPF plugin
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### SPF plugin
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spf_deny setting deprecated. Use reject N setting instead, which
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spf\_deny setting deprecated. Use reject N setting instead, which
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provides administrators with more granular control over SPF. For
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backward compatibility, a spf_deny setting of 1 is mapped to 'reject
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3' and a 'spf_deny 2' is mapped to 'reject 4'.
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backward compatibility, a spf\_deny setting of 1 is mapped to 'reject
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3' and a 'spf\_deny 2' is mapped to 'reject 4'.
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=head3 P0F plugin
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### P0F plugin
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defaults to p0f v3 (was v2).
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Upgrade p0f to version 3 or add 'version 2' to your p0f line in
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config/plugins. perldoc plugins/ident/p0f for more details.
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