emailcamel's blog

通过SMTP客户端来发GMAIL企业邮箱邮件,发信失败的原因之一,因启用两步验证

也许突然就无法发信了。如果遇到以下错误提示信息: 5.7.9 Application-specific password required. Learn more at 5.7.9 https://support.google.com/mail/?p=InvalidSecondFactor y19sm9498371wmi.13 - gsmtp
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