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Hello there,
Description : When supplying a wrong URL format in the
MAILER_URL
environment variable, Swiftmailer Transport component is initialized with bundle default configuration values.Therefore, when trying to send emails, a "silent" error is triggered with the following message :
Exception occurred while flushing email queue: Connection could not be established with host localhost [Address not available #99]
.Changes made : This PR now throws an
InvalidArgumentException
if supplied URL is not parseable by PHP'sparse_url
method.