System.Net.Mail 例子 [收藏]

Code
using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.Net.Mail;
using System.Net.Mime;
using System.IO;
using System.ComponentModel;
namespace Mail

{
class Program

{
static void Main(string[] args)

{


}
static void PlainText()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is the body content of the email.";

//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");

smtp.Send(mail);

}
static void HtmlEmail()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is a sample body with html in it. <b>This is bold</b> <font color=#336699>This is blue</font>";

mail.IsBodyHtml = true;

//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");

smtp.Send(mail);

}

static void MultiPartMime()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

//first we create the Plain Text part
            AlternateView plainView = AlternateView.CreateAlternateViewFromString("This is my plain text content, viewable by those clients that don't support html", null, "text/plain");
//then we create the Html part
            AlternateView htmlView = AlternateView.CreateAlternateViewFromString("<b>this is bold text, and viewable by those mail clients that support html</b>", null, "text/html");

mail.AlternateViews.Add(plainView);

mail.AlternateViews.Add(htmlView);


//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1"); //specify the mail server address
            smtp.Send(mail);

}

static void FriendlyFromName()

{            
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
//to specify a friendly 'from' name, we use a different ctor
            mail.From = new MailAddress("me@mycompany.com", "Steve James" );

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is the body content of the email.";

//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");

smtp.Send(mail);


}

static void FriendlyToName()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
//to specify a friendly 'from' name, we use a different ctor
            mail.From = new MailAddress("me@mycompany.com", "Steve James");

//since the To,Cc, and Bcc accept addresses, we can use the same technique as the From address
            mail.To.Add( new MailAddress( "you@yourcompany.com", "Beth Jones") );

mail.CC.Add(new MailAddress("donna@yourcompany.com", "Donna Summers"));

mail.Bcc.Add(new MailAddress("bob@yourcompany.com", "Bob Smith"));

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is the body content of the email.";

//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");

smtp.Send(mail);

}

static void MultipleRecipients()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
//to specify a friendly 'from' name, we use a different ctor
            mail.From = new MailAddress("me@mycompany.com", "Steve James");

//since the To,Cc, and Bcc accept addresses, we can use the same technique as the From address
//since the To, Cc, and Bcc properties are collections, to add multiple addreses, we simply call .Add() multple times
            mail.To.Add("you@yourcompany.com");

mail.To.Add("you2@yourcompany.com");

mail.CC.Add("cc1@yourcompany.com");

mail.CC.Add("cc2@yourcompany.com");

mail.Bcc.Add("blindcc1@yourcompany.com");

mail.Bcc.Add("blindcc2@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is the body content of the email.";

//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");

smtp.Send(mail);

}

static void FriendlyNonAsciiName()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
//to specify a friendly non ascii name, we use a different ctor. 
//A ctor that accepts an encoding that matches the text of the name
            mail.From = new MailAddress("me@mycompany.com", "Steve 豣irk", Encoding.GetEncoding( "iso-8859-1"));

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is the body content of the email.";

//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");

smtp.Send(mail);


}

static void SetPriority()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is the body content of the email.";

//specify the priority of the mail message
            mail.Priority = MailPriority.High;

//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");

smtp.Send(mail);

}

static void SetTheReplyToHeader()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is the body content of the email.";

//specify the priority of the mail message
            mail.ReplyTo = new MailAddress("SomeOtherAddress@mycompany.com");

//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");

smtp.Send(mail);

}

static void CustomHeaders()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is the body content of the email.";

//to add custom headers, we use the Headers.Add() method to add headers to the 
//.Headers collection
            mail.Headers.Add("X-Company", "My Company");

mail.Headers.Add("X-Location", "Hong Kong");


//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");

smtp.Send(mail);

}
static void ReadReceipts()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is the body content of the email.";

//To request a read receipt, we need add a custom header named 'Disposition-Notification-To'
//in this example, read receipts will go back to 'someaddress@mydomain.com'
//it's important to note that read receipts will only be sent by those mail clients that 
//a) support them
//and
//b)have them enabled.
            mail.Headers.Add("Disposition-Notification-To", "<someaddress@mydomain.com>");


//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");

smtp.Send(mail);

}

static void AttachmentFromFile()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this content is in the body";

//add an attachment from the filesystem
            mail.Attachments.Add(new Attachment("c:\\temp\\example.txt"));

//to add additional attachments, simply call .Add() again
            mail.Attachments.Add(new Attachment("c:\\temp\\example2.txt"));

mail.Attachments.Add(new Attachment("c:\\temp\\example3.txt"));

//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");

smtp.Send(mail);


}

static void AttachmentFromStream()

{

//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this content is in the body";

//Get some binary data
            byte[] data = GetData();

//save the data to a memory stream
            MemoryStream ms = new MemoryStream(data);

//create the attachment from a stream. Be sure to name the data with a file and 
//media type that is respective of the data
            mail.Attachments.Add( new Attachment( ms, "example.txt", "text/plain" ));

//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");

smtp.Send(mail);

}
static byte[] GetData()

{
//this method just returns some binary data.
//it could come from anywhere, such as Sql Server
            string s = "this is some text";
byte[] data = Encoding.ASCII.GetBytes(s);
return data;

}

static void LoadFromConfig(){
//the from address, along with the server properties will be set in the app.config,
//thus we don't need to specify them in code

//create the mail message
            MailMessage mail = new MailMessage();


mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is the body content of the email.";

//send the message
            SmtpClient smtp = new SmtpClient();

smtp.Send(mail);


}

static void Authenticate()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is the body content of the email.";

//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");

//to authenticate we set the username and password properites on the SmtpClient
            smtp.Credentials = new NetworkCredential("username", "secret"); 

smtp.Send(mail);


}

static void ChangePort()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is the body content of the email.";

//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");

//to change the port (default is 25), we set the port property
            smtp.Port = 587;

smtp.Send(mail);

}

static void EmbedImages()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

//first we create the Plain Text part
            AlternateView plainView = AlternateView.CreateAlternateViewFromString("This is my plain text content, viewable by those clients that don't support html", null, "text/plain");

//then we create the Html part
//to embed images, we need to use the prefix 'cid' in the img src value
//the cid value will map to the Content-Id of a Linked resource.
//thus <img src='cid:companylogo'> will map to a LinkedResource with a ContentId of 'companylogo'
            AlternateView htmlView = AlternateView.CreateAlternateViewFromString("Here is an embedded image.<img src=cid:companylogo>", null, "text/html");

//create the LinkedResource (embedded image)
            LinkedResource logo = new LinkedResource( "c:\\temp\\logo.gif" );

logo.ContentId = "companylogo";
//add the LinkedResource to the appropriate view
            htmlView.LinkedResources.Add(logo);

//add the views
            mail.AlternateViews.Add(plainView);

mail.AlternateViews.Add(htmlView);


//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1"); //specify the mail server address
            smtp.Send(mail);

}

static void SSL()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is the body content of the email.";

//Port 587 is another SMTP port
            SmtpClient smtp = new SmtpClient("127.0.01", 587);

smtp.EnableSsl = true;

smtp.Send(mail);

}

static void SendAsync()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is the body content of the email.";

//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1"); //specify the mail server address
//the userstate can be any object. The object can be accessed in the callback method
//in this example, we will just use the MailMessage object.
            object userState = mail; 

//wire up the event for when the Async send is completed
            smtp.SendCompleted += new SendCompletedEventHandler(SmtpClient_OnCompleted);


smtp.SendAsync( mail, userState );

}
public static void SmtpClient_OnCompleted(object sender, AsyncCompletedEventArgs e)

{
//Get the Original MailMessage object
            MailMessage mail= (MailMessage)e.UserState;

//write out the subject
            string subject = mail.Subject;

if (e.Cancelled)

{

Console.WriteLine("Send canceled for mail with subject [{0}].", subject);

}
if (e.Error != null)

{

Console.WriteLine("Error {1} occurred when sending mail [{0}] ", subject, e.Error.ToString());

}
else

{

Console.WriteLine("Message [{0}] sent.", subject );

}

}

public static void PickupDirectory()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is the body content of the email.";

//if we are using the IIS SMTP Service, we can write the message
//directly to the PickupDirectory, and bypass the Network layer
            SmtpClient smtp = new SmtpClient();

smtp.DeliveryMethod = SmtpDeliveryMethod.PickupDirectoryFromIis;

smtp.Send(mail);

}

public static void EmailWebPage()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

//screen scrape the html
            string html = ScreenScrapeHtml("http://localhost/example.htm");

mail.Body = html;

mail.IsBodyHtml = true;

//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");

smtp.Send(mail);


}
public static string ScreenScrapeHtml(string url)

{

WebRequest objRequest = System.Net.HttpWebRequest.Create(url);

StreamReader sr = new StreamReader(objRequest.GetResponse().GetResponseStream());
string result = sr.ReadToEnd();

sr.Close();
return result;

}

public static void NonAsciiMail()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("you@yourcompany.com");

//set the content
            mail.Subject = "This is an email";

//to send non-ascii content, we need to set the encoding that matches the 
//string characterset.
//In this example we use the ISO-8859-1 characterset
            mail.Body = "this text has some ISO-8859-1 characters: 庖涨";

mail.BodyEncoding = Encoding.GetEncoding("iso-8859-1");

//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");

smtp.Send(mail);


}

public static void InnerExceptions()

{
//create the mail message
            MailMessage mail = new MailMessage();

//set the addresses
            mail.From = new MailAddress("me@mycompany.com");

mail.To.Add("him@hiscompany.com");

//set the content
            mail.Subject = "This is an email";

mail.Body = "this is the body content of the email.";

//send the message
            SmtpClient smtp = new SmtpClient("127.0.0.1");
try

{

smtp.Send(mail);

}
catch (Exception ex)

{

Exception ex2 = ex;
string errorMessage = string.Empty;
while (ex2 != null)

{

errorMessage += ex2.ToString();

ex2 = ex2.InnerException;

}


Console.WriteLine(errorMessage);

}

}




}

}