测试邮件错误:530 5.7.0 Must issue a STARTTLS command first. e108sm52535614qge.15 - gsmtp 配置信息写在 config/environments/development.rb config.action_mailer.delivery_method = :sendmail config.action_mailer.delivery_method = :smtp config.action_mailer.smtp_settings = { address: 'smtp.gmail.com', port: 587, domain: 'gmail.com', user_name: 'xxx', password: 'xxx', authentication: 'plain', enable_starttls_auto: true } config.action_mailer.raise_delivery_errors = true config.action_mailer.perform_deliveries = true config.action_mailer.default_options = {from: '[email protected]'} 这个错误今天 google 很久还是没解决所以来这里请教大家,打扰了!