用C#实现用免费smtp服务器（GMail）发邮件(转)

最新推荐文章于 2025-08-09 22:19:42 发布

转载最新推荐文章于 2025-08-09 22:19:42 发布 · 419 阅读

0 ·

CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/beijia/archive/2012/05/09/mail.html

文章标签：

#c#

原文地址：http://www.cnblogs.com/skywind/archive/2007/09/21/901734.html

Method 1

--------------------------------------------------------------------------------------------------------

View Code

// using System.Net.Mail;
MailMessage message = new MailMessage();
message.From = new MailAddress( " Sender@gmail.com ", " Your DisplayName "); // 发件人邮箱地址和显示名称
message.To.Add( new MailAddress( " Recipients@gmail.com ")); // 收件人地址,可以设置多个

message.Subject = " 邮件标题 " ;

message.Body = " 邮件正文 ";

message .IsBodyHtml = false; // 设置邮件正文是否为 html 格式的值
message .BodyEncoding = System.Text.Encoding.UTF8; // 设置邮件正文编码
message .Priority = MailPriority.Normal; // 设置电子邮件的优先级

// 包含附件

string attachPath = " 附件地址 ";

System.Net.Mail.Attachment attachment = new System.Net.Mail.Attachment(attachPath);

attachment.Name = System.IO.Path.GetFileName(attachPath); // 附件名称
attachment.NameEncoding = System.Text.Encoding.GetEncoding( " gb2312 "); // 附件名称的编码
attachment.TransferEncoding = System.Net.Mime.TransferEncoding.Base64; // 设置附件的编码
attachment.ContentDisposition.Inline = true;
attachment.ContentDisposition.DispositionType = System.Net.Mime.DispositionTypeNames.Inline;
string cid = attachment.ContentId; // 关键性的地方，这里得到一个id数值

message .Attachments.Add(attachment); // 可以添加多个附件

SmtpClient client = new SmtpClient();

client .Host = " smtp.gmail.com "; // 设置 smtp 事务的主机名称或 IP 地址
client .Port = 587; // 端口号

client.Credentials = new System.Net.NetworkCredential( " Sender@gmail.com ", " mailbox password "); // Your mail address & password
client.EnableSsl = true; // 经过ssl加密,gmail 邮箱必须设置为 ture

try
{
client.Send(message);
Response.Write( " 邮件发送到 " + message.To.ToString() + " <br> ");
}
catch (Exception ee)
{
Response.Write(ee.messageage + " <br> " + ee.InnerException.messageage);
}

Method 2
------------------------------------------------------------------------------------------------------

// http://weblogs.asp.net/scottgu/archive/2005/12/10/432854.aspx

View Code

// using System.Net.Mail;
MailMessage message = new MailMessage();
message.From = new MailAddress( " Sender@gmail.com ");

message.To.Add( new MailAddress( " Recipients@gmail.com "));

message.Subject = " This is my subject "
message.Body = " This is the content "
SmtpClient client = new SmtpClient();
client.EnableSsl = true; // 经过ssl加密,gmail 邮箱必须设置为 ture

try
{
client.Send(message);
Response.Write( " 邮件发送到 " + message.To.ToString() + " <br> ");
}
catch (Exception ee)
{
Response.Write(ee.Message );
}

//In web.config

<system.net>
<mailSettings>
<smtp from="displayName<from@gmail.com>">
<network host="smtp.gmail.com" port="587" userName="Sender@gmail.com" password="your pwd" />

</smtp>
</mailSettings>
</system.net>

转载于:https://www.cnblogs.com/beijia/archive/2012/05/09/mail.html