The mailer configuration is not correctly loaded, in the extension, when it is enabled.
The exception is always raised even when swiftmailer/swiftmailer or symfony/mailer are installed.
The ExtensionInterface::load method can access the parameters only because Symfony pass a copy of the container which only has the parameters from the actual container.
The mailer configuration is not correctly loaded, in the extension, when it is enabled.
The exception is always raised even when swiftmailer/swiftmailer or symfony/mailer are installed.
The ExtensionInterface::load method can access the parameters only because Symfony pass a copy of the container which only has the parameters from the actual container.
Fixes https://github.com/liip/LiipMonitorBundle/pull/219#discussion_r366888239