从AWS SES发送附件小于10 MB的电子邮件
从AWS SES发送附件小于10 MB的电子邮件
提问于 2013-07-15 07:08:20
我们正在使用AWS从我们的C#应用程序发送电子邮件。我们有一个大小为9.28MB的附件(PDF文件)，当我们试图用附件发送电子邮件时，它会抛出以下异常：
System.Xml.XmlException: Root element is missing. at System.Xml.XmlTextReaderImpl.Throw(Exception e) at System.Xml.XmlTextReaderImpl.ParseDocumentContent() at Amazon.Runtime.Internal.Transform.UnmarshallerContext.Read() at Amazon.Runtime.Internal.Transform.ErrorResponseUnmarshaller.Unmarshall(UnmarshallerContext context) at Amazon.SimpleEmail.Model.Transform.SendRawEmailResponseUnmarshaller.UnmarshallException(UnmarshallerContext context, Exception innerException, HttpStatusCode statusCode) at Amazon.Runtime.AmazonWebServiceClient.processWebException[X,Y](String requestName, WebException we, HttpWebRequest webRequest, IResponseUnmarshaller`2 unmarshaller, IRequest`1 request, Int32 retries) at Amazon.Runtime.AmazonWebServiceClient.Invoke[X,Y](IRequest`1 request, AbstractAWSSigner signer, IResponseUnmarshaller`2 unmarshaller) at Amazon.SimpleEmail.AmazonSimpleEmailServiceClient.SendRawEmail(SendRawEmailRequest sendRawEmailRequest) at MyApp.AmazonSESWrapper.SendRawEmail(String awsAccessKey, String awsSecretKey, List`1 to, List`1 cc, List`1 bcc, String senderEmailAddress, String replyToEmailAddress, String subject, String body, String text, String filePath, String exceptionDetails)但是，当我们将一个7.50MB的word文档作为附件发送时，我们将得到以下异常：
Amazon.SimpleEmail.AmazonSimpleEmailServiceException: Message length is more than 10485760 bytes long: '10788624'. ---> System.Net.WebException: The remote server returned an error: (400) Bad Request. at System.Net.HttpWebRequest.GetResponse() at Amazon.Runtime.AmazonWebServiceClient.Invoke[X,Y](IRequest`1 request, AbstractAWSSigner signer, IResponseUnmarshaller`2 unmarshaller) --- End of inner exception stack trace --- at Amazon.Runtime.AmazonWebServiceClient.processWebException[X,Y](String requestName, WebException we, HttpWebRequest webRequest, IResponseUnmarshaller`2 unmarshaller, IRequest`1 request, Int32 retries) at Amazon.Runtime.AmazonWebServiceClient.Invoke[X,Y](IRequest`1 request, AbstractAWSSigner signer, IResponseUnmarshaller`2 unmarshaller) at Amazon.SimpleEmail.AmazonSimpleEmailServiceClient.SendRawEmail(SendRawEmailRequest sendRawEmailRequest) at 从“讨论论坛”和“常见问题解答”来看，最大附件大小为10 is，但小于10 is的附件也会出现错误。
https://forums.aws.amazon.com/thread.jspa?messageID=346305
http://aws.amazon.com/ses/faqs/#49
请对此提出建议。
回答 1
Stack Overflow用户
发布于 2014-05-26 12:06:06
还有总的消息大小限制，也就是10米。根据http://aws.amazon.com/ses/faqs/：
Amazon将接受10 MB大小的电子邮件。这包括作为消息一部分的任何附件。
所以你必须确保你的请求符合这些限制。
(我个人认为Amazon抛出的bug "XmlException:根元素丢失了“。如果消息大小大大超过了限制的话。这完全是误导。)
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原文链接：
https://stackoverflow.com/questions/17648527
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