EWS：邮件已添加到已发送邮件但未发送

我正在使用Microsoft Exchange Web服务 - EWS托管API 2.2从我的Exchange Server电子邮件发送邮件。下面是我使用的代码：EWS：邮件已添加到已发送邮件但未发送

ServicePointManager.ServerCertificateValidationCallback = CertificateValidationCallBack; 
ExchangeService service = new ExchangeService(ExchangeVersion.Exchange2010_SP1); 
service.Credentials = new WebCredentials("UserName", "Password", "domain"); 
service.Url = new Uri("https://exchangeserver.com/EWS/Exchange.asmx"); 
EmailMessage email = new EmailMessage(service); 
//email.ToRecipients.Add("[email protected]"); 
email.ToRecipients.Add("[email protected]"); 
email.ToRecipients.Add("[email protected]"); 
email.Body = new MessageBody("BODY!"); 

email.SendAndSaveCopy(); 


//Here is my Certificate Validation function taken straight from MSDN : 

static private bool CertificateValidationCallBack(object sender, 
System.Security.Cryptography.X509Certificates.X509Certificate certificate, 
System.Security.Cryptography.X509Certificates.X509Chain chain, 
System.Net.Security.SslPolicyErrors sslPolicyErrors) 
{ 
    // If the certificate is a valid, signed certificate, return true. 
    if (sslPolicyErrors == System.Net.Security.SslPolicyErrors.None) 
    { 
     return true; 
    } 

    // If there are errors in the certificate chain, look at each error to determine the cause. 
    if ((sslPolicyErrors & System.Net.Security.SslPolicyErrors.RemoteCertificateChainErrors) != 0) 
    { 
     if (chain != null && chain.ChainStatus != null) 
     { 
      foreach (System.Security.Cryptography.X509Certificates.X509ChainStatus status in chain.ChainStatus) 
      { 
       if ((certificate.Subject == certificate.Issuer) &&        (status.Status == System.Security.Cryptography.X509Certificates.X509ChainStatusFlags.UntrustedRoot)) 
       { 
        // Self-signed certificates with an untrusted root are valid. 
        continue; 
       } 
       else 
       { 
        if (status.Status != System.Security.Cryptography.X509Certificates.X509ChainStatusFlags.NoError) 
        { 
         // If there are any other errors in the certificate chain, the certificate is invalid, 
         // so the method returns false. 
         return false; 
        } 
       } 
      } 
     } 

     // When processing reaches this line, the only errors in the certificate chain are 
     // untrusted root errors for self-signed certificates. These certificates are valid 
     // for default Exchange server installations, so return true. 
     return true; 
    } 
    else 
    { 
     // In all other cases, return false. 
     return false; 
    } 
}

如果我设置ToEmailAddress作为登录用户名本身，邮件被发送到收件箱。如果我发送到任何其他电子邮件地址（尝试Gmail，Hotmail，雅虎），邮件存放在发送的邮件，但它没有传递到预期的电子邮件地址。但是，如果我登录到Outlook Web App并键入邮件并发送，则邮件将添加到已发送邮件以及发送到配方邮件地址。

我检查过垃圾邮件/垃圾邮件文件夹等。凭据是正确的，因为我能够保存已发送邮件中的邮件副本。

这是什么，我做错了？

来源

2015-07-20 user3868244

我会通过检查邮件跟踪https://technet.microsoft.com/en-us/library/bb124375%28v=exchg.150%29.aspx开始，你也可以启用跟踪并查看导致您从服务器回来并检查CAS服务器上的EWS日志文件 –

事实证明，邮件被垃圾邮件发送出站交换服务器本身。如果我设置了一个有意义的主题，邮件正在发送。

email.Subject = "Some meaningful subject";

来源

2015-07-23 09:23:06 user3868244

EWS：邮件已添加到已发送邮件但未发送

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