Fatal error: Uncaught Swift_TransportException: Expected response code 354 but got code "550", with message "550-5.4.5 Daily user sending limit exceeded. For more information on Gmail 550-5.4.5 sending limits go to 550 5.4.5 https://support.google.com/a/answer/166852 ffacd0b85a97d-4324eab257asm87194979f8f.38 - gsmtp " in /var/www/vhosts/observaculturaextremadura.es/httpdocs/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/AbstractSmtpTransport.php:460 Stack trace: #0 /var/www/vhosts/observaculturaextremadura.es/httpdocs/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/AbstractSmtpTransport.php(345): Swift_Transport_AbstractSmtpTransport->assertResponseCode() #1 /var/www/vhosts/observaculturaextremadura.es/httpdocs/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/EsmtpTransport.php(305): Swift_Transport_AbstractSmtpTransport->executeCommand() #2 /var/www/vhosts/observaculturaextremadura.es/httpdocs/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/AbstractSmtpTransport.php(393): S in /var/www/vhosts/observaculturaextremadura.es/httpdocs/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/AbstractSmtpTransport.php on line 460