Swift_Mailer Swift_Transport_EsmtpTransport Swift_Transport_SendmailTransport Swift_Transport_MailTransport Swift_Transport_FailoverTransport Swift_FileSpool %swiftmailer.base_dir%/swift_init.php Swift_Plugins_RedirectingPlugin Swift_Plugins_BlackholePlugin %swiftmailer.init_file% %swiftmailer.transport.smtp.host% %swiftmailer.transport.smtp.port% %swiftmailer.transport.smtp.encryption% %swiftmailer.transport.smtp.username% %swiftmailer.transport.smtp.password% %swiftmailer.transport.smtp.auth_mode% %swiftmailer.single_address%