INSERT IGNORE INTO settings (setting_key, setting_value) VALUES 
('mail_transport', 'smtp'),
('mail_host', ''),
('mail_port', '587'),
('mail_encryption', 'tls'),
('mail_username', ''),
('mail_password', ''),
('mail_from_address', ''),
('mail_from_name', ''),
('pop3_host', ''),
('pop3_port', '995'),
('pop3_username', ''),
('pop3_password', '');