register('transport.localdomain') // As SERVER_NAME can come from the user in certain configurations, check that // it does not contain forbidden characters (see RFC 952 and RFC 2181). Use // preg_replace() instead of preg_match() to prevent DoS attacks with long host names. ->asValue(!empty($_SERVER['SERVER_NAME']) && '' === preg_replace('/(?:^\[)?[a-zA-Z0-9-:\]_]+\.?/', '', $_SERVER['SERVER_NAME']) ? trim($_SERVER['SERVER_NAME'], '[]') : '127.0.0.1') ->register('transport.smtp') ->asNewInstanceOf('Swift_Transport_EsmtpTransport') ->withDependencies([ 'transport.buffer', 'transport.smtphandlers', 'transport.eventdispatcher', 'transport.localdomain', 'address.idnaddressencoder', ]) ->register('transport.sendmail') ->asNewInstanceOf('Swift_Transport_SendmailTransport') ->withDependencies([ 'transport.buffer', 'transport.eventdispatcher', 'transport.localdomain', ]) ->register('transport.loadbalanced') ->asNewInstanceOf('Swift_Transport_LoadBalancedTransport') ->register('transport.failover') ->asNewInstanceOf('Swift_Transport_FailoverTransport') ->register('transport.spool') ->asNewInstanceOf('Swift_Transport_SpoolTransport') ->withDependencies(['transport.eventdispatcher']) ->register('transport.null') ->asNewInstanceOf('Swift_Transport_NullTransport') ->withDependencies(['transport.eventdispatcher']) ->register('transport.buffer') ->asNewInstanceOf('Swift_Transport_StreamBuffer') ->withDependencies(['transport.replacementfactory']) ->register('transport.smtphandlers') ->asArray() ->withDependencies(['transport.authhandler']) ->register('transport.authhandler') ->asNewInstanceOf('Swift_Transport_Esmtp_AuthHandler') ->withDependencies(['transport.authhandlers']) ->register('transport.authhandlers') ->asArray() ->withDependencies([ 'transport.crammd5auth', 'transport.loginauth', 'transport.plainauth', 'transport.ntlmauth', 'transport.xoauth2auth', ]) ->register('transport.smtputf8handler') ->asNewInstanceOf('Swift_Transport_Esmtp_SmtpUtf8Handler') ->register('transport.8bitmimehandler') ->asNewInstanceOf('Swift_Transport_Esmtp_EightBitMimeHandler') ->addConstructorValue('8BITMIME') ->register('transport.crammd5auth') ->asNewInstanceOf('Swift_Transport_Esmtp_Auth_CramMd5Authenticator') ->register('transport.loginauth') ->asNewInstanceOf('Swift_Transport_Esmtp_Auth_LoginAuthenticator') ->register('transport.plainauth') ->asNewInstanceOf('Swift_Transport_Esmtp_Auth_PlainAuthenticator') ->register('transport.xoauth2auth') ->asNewInstanceOf('Swift_Transport_Esmtp_Auth_XOAuth2Authenticator') ->register('transport.ntlmauth') ->asNewInstanceOf('Swift_Transport_Esmtp_Auth_NTLMAuthenticator') ->register('transport.eventdispatcher') ->asNewInstanceOf('Swift_Events_SimpleEventDispatcher') ->register('transport.replacementfactory') ->asSharedInstanceOf('Swift_StreamFilters_StringReplacementFilterFactory') ->register('address.idnaddressencoder') ->asNewInstanceOf('Swift_AddressEncoder_IdnAddressEncoder') ->register('address.utf8addressencoder') ->asNewInstanceOf('Swift_AddressEncoder_Utf8AddressEncoder') ;