Changelog since Version 4.x.x
=============================

4.2.2 (2012-10-25)
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 * added the possibility to throttle messages per second in ThrottlerPlugin (mostly for Amazon SES)
 * switched mime.qpcontentencoder to automatically use the PHP native encoder on PHP 5.4.7+
 * allowed specifying a whitelist with regular expressions in RedirectingPlugin

4.2.1 (2012-07-13)
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 * changed the coding standards to PSR-1/2
 * fixed issue with autoloading
 * added NativeQpContentEncoder to enhance performance (for PHP 5.3+)

4.2.0 (2012-06-29)
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 * added documentation about how to use the Japanese support introduced in 4.1.8
 * added a way to override the default configuration in a lazy way
 * changed the PEAR init script to lazy-load the initialization
 * fixed a bug when calling Swift_Preferences before anything else (regression introduced in 4.1.8)

4.1.8 (2012-06-17)
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 * added Japanese iso-2022-jp support
 * changed the init script to lazy-load the initialization
 * fixed docblocks (@id) which caused some problems with libraries parsing the dobclocks
 * fixed Swift_Mime_Headers_IdentificationHeader::setId() when passed an array of ids
 * fixed encoding of email addresses in headers
 * added replacements setter to the Decorator plugin

4.1.7 (2012-04-26)
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 * fixed QpEncoder safeMapShareId property

4.1.6 (2012-03-23)
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 * reduced the size of serialized Messages

4.1.5 (2012-01-04)
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 * enforced Swift_Spool::queueMessage() to return a Boolean
 * made an optimization to the memory spool: start the transport only when required
 * prevented stream_socket_client() from generating an error and throw a Swift_TransportException instead
 * fixed a PHP warning when calling to mail() when safe_mode is off
 * many doc tweaks

4.1.4 (2011-12-16)
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 * added a memory spool (Swift_MemorySpool)
 * fixed too many opened files when sending emails with attachments

4.1.3 (2011-10-27)
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 * added STARTTLS support
 * added missing @return tags on fluent methods
 * added a MessageLogger plugin that logs all sent messages
 * added composer.json

4.1.2 (2011-09-13)
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 * fixed wrong detection of magic_quotes_runtime
 * fixed fatal errors when no To or Subject header has been set
 * fixed charset on parameter header continuations
 * added documentation about how to install Swiftmailer from the PEAR channel
 * fixed various typos and markup problem in the documentation
 * fixed warning when cache directory does not exist
 * fixed "slashes are escaped" bug
 * changed require_once() to require() in autoload

4.1.1 (2011-07-04)
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 * added missing file in PEAR package

4.1.0 (2011-06-30)
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 * documentation has been converted to ReST

4.1.0 RC1 (2011-06-17)
----------------------

New features:

 * changed the Decorator Plugin to allow replacements in all headers
 * added Swift_Mime_Grammar and Swift_Validate to validate an email address
 * modified the autoloader to lazy-initialize Swiftmailer
 * removed Swift_Mailer::batchSend()
 * added NullTransport
 * added new plugins: RedirectingPlugin and ImpersonatePlugin
 * added a way to send messages asynchronously (Spool)
