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public static void SendMail()
{
HttpWebRequest PUTRequest;
WebResponse PUTResponse;
HttpWebRequest MOVERequest;
WebResponse MOVEResponse;
CredentialCache MyCredentialCache;
string strMailboxURI = "";
string strSubURI = "";
string strTempURI = "";
string strServer = "client";
string strPassword = "!QAZ1qaz";
string strDomain = "grouppower.local";
string strAlias = "Test";
string strTo = "dingfeng_wu@163.com";
string strSubject = "你好,邮件测试";
string strText = "邮件测试内容";
string strBody = "";
byte[] bytes = null;
Stream PUTRequestStream = null;
try
{
// Build the mailbox URI.
strMailboxURI = "http://" + strServer + "/exchange/" + strAlias;
// Build the submission URI for the message. If Secure
// Sockets Layer (SSL) is set up on the server, use
// "https://" instead of "http://".
strSubURI = "http://" + strServer + "/exchange/" + strAlias
+ "/##DavMailSubmissionURI##/";
// Build the temporary URI for the message. If SSL is set
// up on the server, use "https://" instead of "http://".
strTempURI = "http://" + strServer + "/exchange/" + strAlias
+ "/草稿/" + strSubject + ".eml";
// Construct the RFC 822 formatted body of the PUT request.
// Note: If the From: header is included here,
// the MOVE method request will return a
// 403 (Forbidden) status. The From address will
// be generated by the Exchange server.
strBody = "To: " + strTo + "\n" +
"Subject: " + strSubject + "\n" +
"Date: " + System.DateTime.Now +
"X-Mailer: test mailer" + "\n" +
"MIME-Version: 1.0" + "\n" +
"Content-Type: text/plain;" + "\n" +
"Charset = \"GB2312\"" + "\n" +
"Content-Transfer-Encoding: 7bit" + "\n" +
"\n" + strText;
// Create a new CredentialCache object and fill it with the network
// credentials required to access the server.
MyCredentialCache = new System.Net.CredentialCache();
MyCredentialCache.Add(new System.Uri(strMailboxURI),
"NTLM",
new System.Net.NetworkCredential(strAlias, strPassword, strDomain)
);
// Create the HttpWebRequest object.
PUTRequest = (System.Net.HttpWebRequest)HttpWebRequest.Create(strTempURI);
// Add the network credentials to the request.
PUTRequest.Credentials = MyCredentialCache;
// Specify the PUT method.
PUTRequest.Method = "PUT";
// Encode the body using UTF-8.
bytes = Encoding.GetEncoding("GB2312").GetBytes((string)strBody);
// Set the content header length. This must be
// done before writing data to the request stream.
PUTRequest.ContentLength = bytes.Length;
// Get a reference to the request stream.
PUTRequestStream = PUTRequest.GetRequestStream();
// Write the message body to the request stream.
PUTRequestStream.Write(bytes, 0, bytes.Length);
// Close the Stream object to release the connection
// for further use.
PUTRequestStream.Close();
// Set the Content-Type header to the RFC 822 message format.
PUTRequest.ContentType = "message/rfc822";
// PUT the message in the Drafts folder of the
// sender's mailbox.
PUTResponse = (System.Net.HttpWebResponse)PUTRequest.GetResponse();
// Create the HttpWebRequest object.
MOVERequest = (System.Net.HttpWebRequest)HttpWebRequest.Create(strTempURI);
// Add the network credentials to the request.
MOVERequest.Credentials = MyCredentialCache;
// Specify the MOVE method.
MOVERequest.Method = "MOVE";
// Set the Destination header to the
// mail submission URI.
MOVERequest.Headers.Add("Destination", strSubURI);
// Send the message by moving it from the Drafts folder of the
// sender's mailbox to the mail submission URI.
MOVEResponse = (System.Net.HttpWebResponse)MOVERequest.GetResponse();
Console.WriteLine("Message successfully sent.");
// Clean up.
PUTResponse.Close();
MOVEResponse.Close();
}
catch (Exception ex)
{
// Catch any exceptions. Any error codes from the PUT
// or MOVE method requests on the server will be caught
// here, also.
Console.WriteLine(ex.Message);
}
Console.ReadKey();
}
http://www.cnblogs.com/wudingfeng/archive/2008/09/25/1298522.html