sendgrid电子邮件不发送电子邮件

Question

我正在尝试发送带有sendgrid的电子邮件，但它不想发送出去。 我正在使用的代码

        public bool SendMessage<T>(ISendGridTemplateData<T> templateData, string subject, string body) where T: ISendGridTemplateSubstitutions
        {
        try
        {

            var client = new SendGridClient("APIKWY");
            var FromE = new EmailAddress(From);
            var Subject = subject;
            var toe = new EmailAddress("MYEMAIL");
            var plainTextContent = body;
            var htmlContent = "";
            var msg = MailHelper.CreateSingleEmail(FromE, toe, subject, plainTextContent, htmlContent);
            var response = client.SendEmailAsync(msg);

它运行并提取所有电子邮件详细信息，但不发送出去，不确定我丢失了什么。