我正在使用优秀的Viewpoint ruby gem在我的EWS日历中创建一个活动，并在heroku应用程序上向与会者发送邀请。
这在开发和heroku生产控制台中非常有效。
当我从heroku web dyno执行此操作时，会使用正确的与会者创建事件，但不会发送邀请。相反，我收到来自Exchange服务器的电子邮件，说我的出站邮件由于垃圾邮件检测而无法发送：
Remote Server returned '550 5.1.8 Access denied, spam abuse detected'
En-têtes de message d'origine :
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Received: from AMSPR01MB103.eurprd01.prod.exchangelabs.com (10.242.91.146) by
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From: Nicolas Marlier <nicolas@marlier.onmicrosoft.com>
To: "nmarlier@gmail.com" <nmarlier@gmail.com>
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Date: Mon, 4 May 2015 09:18:40 +0000
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我认为这可能是由于heroku实例未被列入白名单，我正在考虑尝试像Proximo附加组件来修复它。是否有其他方法可以确保邀请被发送？