wpsnoop: fix Swift Mailer plugin conflicts, errors & issues

When the plugin Swift Mailer conflicts or throws a PHP error we hope wpsnoop can help you to fix the issue quickly.


Discover which shortcodes wp-options PHP functions database tables and files are created by Swift Mailer, plus learn which plugins and/or themes could be in conflict with Swift Mailer.


Troubleshooting theme and plugin conflicts is easier when you know what Swift Mailer leaves behind after uninstalling it from a WordPress installation, there is a list down below for your convenience.

Expert advice is recommended if you are not technically proficient with PHP, MySQL etc. View support options for Swift Mailer

Get professional support for Swift Mailer here

When you need professional help with WordPress: get help here


What does Swift Mailer version 5.4.3 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Swift Mailer to perform differently in your installation, previous versions before 5.4.3 may have created a different set of shortcodes, used different function names or could have created entirely different database tables to store settings and operate. This is not an exhaustive list but shows how version 5.4.3 of Swift Mailer behaves when installed and removed on a clean installation of WordPress.

We have not tested individual shortcodes, features or settings of this plugin but instead have concentrated on the potential for obvious errors and conflicts which can occur, if you need help with the plugin in your local installation you can get WordPress help and support for Swift Mailer by clicking here.

Our testing covered the free version of this plugin there may or may not be a paid version or premium version available for purchase that unlocks additional features and could behave in a slightly or very different manner.

Which new files does Swift Mailer add to WordPress?

This section will populate with a table showing an icon, size and filepath.

Type & Path Size Conflicts
wp-content/plugins/swift-mailer/ 603.80kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/index.php 172.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/ 600.34kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/ 542.18kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift.php 2.03kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/ 540.14kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Attachment.php 1.92kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/ByteStream/ 15.70kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/ByteStream/AbstractFilterableInputStream.php 4.11kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/ByteStream/ArrayByteStream.php 4.18kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/ByteStream/FileByteStream.php 6.43kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/ByteStream/TemporaryFileByteStream.php 0.98kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/CharacterReader.php 1.71kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/CharacterReader/ 12.09kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/CharacterReader/GenericFixedWidthReader.php 2.31kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/CharacterReader/UsAsciiReader.php 1.93kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/CharacterReader/Utf8Reader.php 7.85kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/CharacterReaderFactory.php 542.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/CharacterReaderFactory/ 3.27kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/CharacterReaderFactory/SimpleCharacterReaderFactory.php 3.27kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/CharacterStream.php 2.17kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/CharacterStream/ 14.95kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/CharacterStream/ArrayCharacterStream.php 8.27kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/CharacterStream/NgCharacterStream.php 6.67kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/ConfigurableSpool.php 1.34kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/DependencyContainer.php 9.56kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/DependencyException.php 588.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/EmbeddedFile.php 1.83kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Encoder.php 734.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Encoder/ 14.45kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Encoder/Base64Encoder.php 1.55kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Encoder/QpEncoder.php 10.58kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Encoder/Rfc2231Encoder.php 2.32kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Encoding.php 1.39kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Events/ 20.24kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Events/CommandEvent.php 1.42kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Events/CommandListener.php 575.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Events/Event.php 777.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Events/EventDispatcher.php 2.39kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Events/EventListener.php 351.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Events/EventObject.php 1.30kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Events/ResponseEvent.php 1.30kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Events/ResponseListener.php 579.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Events/SendEvent.php 2.68kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Events/SendListener.php 765.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Events/SimpleEventDispatcher.php 4.76kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Events/TransportChangeEvent.php 564.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Events/TransportChangeListener.php 1.21kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Events/TransportExceptionEvent.php 1.03kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Events/TransportExceptionListener.php 636.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/FailoverTransport.php 1.12kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/FileSpool.php 5.49kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/FileStream.php 488.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Filterable.php 679.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Image.php 1.49kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/InputByteStream.php 1.95kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/IoException.php 645.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/KeyCache.php 2.82kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/KeyCache/ 20.88kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/KeyCache/ArrayKeyCache.php 5.47kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/KeyCache/DiskKeyCache.php 8.87kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/KeyCache/KeyCacheInputStream.php 1.14kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/KeyCache/NullKeyCache.php 2.69kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/KeyCache/SimpleKeyCacheInputStream.php 2.72kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/LoadBalancedTransport.php 1.13kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mailer.php 2.83kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mailer/ 1.91kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mailer/ArrayRecipientIterator.php 1.18kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mailer/RecipientIterator.php 744.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/MailTransport.php 1.08kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/MemorySpool.php 2.69kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Message.php 7.38kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/ 159.10kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/Attachment.php 3.82kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/CharsetObserver.php 509.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/ContentEncoder.php 969.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/ContentEncoder/ 19.44kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/ContentEncoder/Base64ContentEncoder.php 3.82kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/ContentEncoder/NativeQpContentEncoder.php 3.38kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/ContentEncoder/PlainContentEncoder.php 4.13kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php 4.13kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/ContentEncoder/QpContentEncoderProxy.php 2.49kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/ContentEncoder/RawContentEncoder.php 1.50kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/EmbeddedFile.php 1.23kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/EncodingObserver.php 572.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/Grammar.php 6.37kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/Header.php 1.93kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/HeaderEncoder.php 488.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/HeaderEncoder/ 3.31kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/HeaderEncoder/Base64HeaderEncoder.php 1.58kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/HeaderEncoder/QpHeaderEncoder.php 1.73kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/HeaderFactory.php 1.86kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/Headers/ 44.03kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/Headers/AbstractHeader.php 12.58kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/Headers/DateHeader.php 2.74kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/Headers/IdentificationHeader.php 4.02kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/Headers/MailboxHeader.php 9.12kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/Headers/OpenDKIMHeader.php 2.61kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/Headers/ParameterizedHeader.php 7.23kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/Headers/PathHeader.php 3.37kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/Headers/UnstructuredHeader.php 2.36kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/HeaderSet.php 4.08kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/Message.php 5.91kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/MimeEntity.php 2.91kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/MimePart.php 5.75kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/ParameterizedHeader.php 692.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/SimpleHeaderFactory.php 5.13kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/SimpleHeaderSet.php 10.52kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/SimpleMessage.php 16.59kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Mime/SimpleMimeEntity.php 23.06kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/MimePart.php 1.48kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/NullTransport.php 911.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/OutputByteStream.php 1.10kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/ 48.09kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/AntiFloodPlugin.php 3.06kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/BandwidthMonitorPlugin.php 3.55kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/Decorator/ 763.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/Decorator/Replacements.php 763.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/DecoratorPlugin.php 7.03kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/ImpersonatePlugin.php 1.65kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/Logger.php 614.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/LoggerPlugin.php 3.81kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/Loggers/ 2.29kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/Loggers/ArrayLogger.php 1.24kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/Loggers/EchoLogger.php 1.05kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/MessageLogger.php 1.37kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/Pop/ 1.27kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/Pop/Pop3Connection.php 718.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/Pop/Pop3Exception.php 582.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/PopBeforeSmtpPlugin.php 6.81kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/RedirectingPlugin.php 5.12kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/Reporter.php 845.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/ReporterPlugin.php 1.88kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/Reporters/ 2.57kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/Reporters/HitReporter.php 1.40kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/Reporters/HtmlReporter.php 1.17kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/Sleeper.php 431.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/ThrottlerPlugin.php 4.69kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Plugins/Timer.php 426.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Preferences.php 2.28kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/ReplacementFilterFactory.php 549.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/RfcComplianceException.php 554.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/SendmailTransport.php 1.13kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/SignedMessage.php 456.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Signer.php 368.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Signers/ 52.27kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Signers/BodySigner.php 770.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Signers/DKIMSigner.php 17.50kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Signers/DomainKeySigner.php 12.76kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Signers/HeaderSigner.php 1.49kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Signers/OpenDKIMSigner.php 5.24kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Signers/SMimeSigner.php 14.52kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/SmtpTransport.php 1.89kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Spool.php 1.20kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/SpoolTransport.php 1.05kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/StreamFilter.php 720.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/StreamFilters/ 8.02kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/StreamFilters/ByteArrayReplacementFilter.php 5.30kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/StreamFilters/StringReplacementFilter.php 1.52kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/StreamFilters/StringReplacementFilterFactory.php 1.21kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/SwiftException.php 641.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport.php 1.24kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/ 100.58kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/AbstractSmtpTransport.php 14.33kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/Esmtp/ 35.41kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/Esmtp/Auth/ 28.80kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/Esmtp/Auth/CramMd5Authenticator.php 2.13kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/Esmtp/Auth/LoginAuthenticator.php 1.34kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/Esmtp/Auth/NTLMAuthenticator.php 22.22kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/Esmtp/Auth/PlainAuthenticator.php 1.26kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/Esmtp/Auth/XOAuth2Authenticator.php 1.86kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/Esmtp/Authenticator.php 836.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/Esmtp/AuthHandler.php 5.79kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/EsmtpHandler.php 2.27kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/EsmtpTransport.php 10.81kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/FailoverTransport.php 2.35kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/IoBuffer.php 1.63kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/LoadBalancedTransport.php 4.42kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/MailInvoker.php 742.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/MailTransport.php 7.61kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/NullTransport.php 2.17kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/SendmailTransport.php 4.89kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/SimpleMailInvoker.php 986.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/SmtpAgent.php 976.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/SpoolTransport.php 2.58kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Transport/StreamBuffer.php 9.46kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/TransportException.php 710.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/classes/Swift/Validate.php 961.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/dependency_maps/ 7.47kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/dependency_maps/cache_deps.php 630.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/dependency_maps/message_deps.php 199.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/dependency_maps/mime_deps.php 4.18kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/dependency_maps/transport_deps.php 2.48kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/mime_types.php 40.03kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/preferences.php 1.12kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/swift_init.php 675.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/swift_required_pear.php 669.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/swift_required.php 677.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/lib/swiftmailer_generate_mimes_config.php 7.58kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/README 576.00B No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/readme.txt 2.71kB No known conflicts with other themes or plugins.
wp-content/plugins/swift-mailer/VERSION 12.00B No known conflicts with other themes or plugins.

Which new shortcodes does Swift Mailer add to WordPress?

Which new database tables are created by the WordPress plugin Swift Mailer?

Which new options are added to the wp-options table by Swift Mailer?

What new PHP functions does Swift Mailer declare when it is active?

Using Swift Mailer from the command line with WP-CLI

The following commands are provided for convenience and should only be used if you understand how WP-CLI works. These commands refer to a single WordPress instance and may need to be modified if you are working with a Multisite installation.


How to install Swift Mailer from the command line with WP-CLI

Navigate to the root of your WordPress installation and type the following command:

wp plugin install swift-mailer


How to activate Swift Mailer from the command line with WP-CLI

To immediately activate Swift Mailer after WP-CLI downloads the latest version you can use the following command:

wp plugin install swift-mailer --activate


How to reinstall Swift Mailer from the command line with WP-CLI

To force a reinstallation of Swift Mailer which overwrites the current plugin without asking for confirmation you can use the following command:

wp plugin install swift-mailer --force


How to update Swift Mailer to the latest version from the command line with WP-CLI

wp plugin update swift-mailer


How to delete Swift Mailer from the command line with WP-CLI

wp plugin delete swift-mailer

Where can you download earlier versions of Swift Mailer?

Whenever possible you should use the latest version of plugins and themes, however if you have recently updated and discovered that you need to install an earlier version you may be able to download other versions of Swift Mailer from the WordPress repository by visiting this link.

Please note that installing earlier versions of a theme or plugin is not generally a recommended course of action for most users and could re-introduce security, stability or other issues in Swift Mailer

About our testing enviroment

Tests were conducted using Apache 2.4.29, PHP 7.2 on Ubuntu 18.04, MySQL 5.7.33 and WordPress 5.9

It is very possible that different versions of PHP such as PHP 8.0, PHP 7.4, or PHP 7.3 could behave differently with Swift Mailer. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.