我们正在使用Gmail API发送电子邮件。根据Gmail文档，我们每天最多可发送500封电子邮件，但当我们发送超过60封电子邮件时，我们会在Gmail帐户中收到此错误。
您已达到发送邮件的限制。您的邮件未发送。
根据我们的代码逻辑，我们每两分钟发送一封文字电子邮件和一封电子邮件，以避免使用Google API 100秒的配额。我们还检查了API控制台，在过去几天我们没有达到我们的配额限制而没有收到任何错误，但我们在Gmail帐户中收到了上述错误。我们要提到的最后一件事是我们只使用Gmail发送服务。提前致谢。
编辑1：
我们每封电子邮件只使用一个电子邮件地址，这是我们的原始邮件。
> Delivered-To: xyz@gmail.com
Received: by 10.36.69.2 with SMTP id y2csp7268660ita;
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From: XYZ <XYZ@gmail.com>
MIME-Version: 1.0
Date: Mon, 23 Oct 2017 05:57:23 -0700
Message-ID: <CALB+=oPhh7AmZJSyimZXZb38SwNAD7eMFioUFv6GmZzdcWrU9A@mail.gmail.com>
Subject: Important Game
To: xyz@gmail.com
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