MailMessage、Smtp发送邮件
保证SMTP服务的正确安装以及配置，还要适当的设置中继限制
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net.Mail;
using System.Web;
using System.Xml;
using System.ServiceProcess;
using System.Collections;
namespace mail
{
public partial class SendMailFrm : Form
{
private ArrayList Attacments;
private SmtpClient MySmtpClient;
private MailAddress from;
private MailAddress to;
private MailMessage msg;
private string SysParXmlPath;
private XmlDocument SysParXml;
private XmlElement MailFrom;
private XmlElement MailFromName;
private XmlElement MailTo;
private XmlElement MailToName;
public SendMailFrm()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
InitSmptServer();
InitComBoxPriority();
SysParXmlPath =@"../../Data/SysPar.xml";
LoadLastMail();
}
private void LoadLastMail()
{
if (SysParXml ==null )
SysParXml = new XmlDocument();
SysParXml.Load(SysParXmlPath);
MailFrom = (XmlElement)SysParXml.SelectSingleNode("/SysParameter/LastMailMessage/MailFrom");
MailFromName = (XmlElement)SysParXml.SelectSingleNode("/SysParameter/LastMailMessage/MailFromName");
MailTo = (XmlElement)SysParXml.SelectSingleNode("/SysParameter/LastMailMessage/MailTo");
MailToName = (XmlElement)SysParXml.SelectSingleNode("/SysParameter/LastMailMessage/MailToName");
txtMailFrom.Text = MailFrom.InnerText;
txtMailFromName.Text = MailFromName.InnerText;
txtMailTo.Text = MailTo.InnerText;
txtMailToName.Text = MailToName.InnerText;
}
private void SaveToLastMail()
{
MailFrom.InnerText= txtMailFrom.Text.Trim();
MailFromName.InnerText=txtMailFromName.Text.Trim() ;
MailTo.InnerText=txtMailTo.Text.Trim();
MailToName.InnerText=txtMailToName.Text.Trim();
SysParXml.Save(SysParXmlPath);
SysParXml = null;
}
private void InitComBoxPriority()
{
string[] priority ={ "重要", "普通", "低" };
comBoxPriority.Items.AddRange(priority);
comBoxPriority.Text = priority[1];
}
private void InitSmptServer()
{
ServiceController[] services = ServiceController.GetServices();
ServiceController service = null;
bool blnHasSmtpService = false;
foreach (ServiceController aservice in services)
{
if (aservice.ServiceName.ToLower() == "smtpsvc")
{
blnHasSmtpService = true;
service = aservice; break;
}
}
if (!blnHasSmtpService)
{
MessageBox.Show(this ,"没有安装Smtp服务",this .Text ,MessageBoxButtons .OK ,MessageBoxIcon .Information);
}
if (service.Status != ServiceControllerStatus.Running)
{
try
{
service.Start();
}
catch(Exception ex)
{
MessageBox.Show(this,ex.Message,this .Text ,MessageBoxButtons .OK ,MessageBoxIcon .Information);
}
}
}
private void btnSend_Click(object sender, EventArgs e)
{
try
{
btnSend.Enabled = false;
if (txtMailFromName.TextLength == 0)
txtMailFromName.Text = txtMailFrom.Text;
if (txtMailToName.TextLength == 0)
txtMailToName.Text = txtMailTo.Text;
if (txtSubject.TextLength == 0)
txtSubject.Text = "默认主题";
SendMailMessage();
lstBoxAttach .Items .Clear ();
if (Attacments !=null)
Attacments .Clear();
}
catch (Exception ex)
{
MessageBox.Show(this, ex.Message, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
private void SendMailMessage()
{
from = null; to = null;
if (msg != null)
{ msg.Dispose(); msg = null;}
from = new MailAddress(txtMailFrom.Text.Trim (),txtMailFromName .Text .Trim ());
to = new MailAddress(txtMailTo.Text .Trim(),txtMailToName .Text .Trim ());
msg = new MailMessage(from, to);
msg.Subject = txtSubject.Text .Trim ();
msg.Body = rtbBody.Text;
msg.Priority = (MailPriority)comBoxPriority .SelectedIndex;
if (Attacments != null)
{
foreach (Attachment mailAttach in Attacments)
msg.Attachments.Add(mailAttach);
}
if (MySmtpClient ==null)
MySmtpClient = new SmtpClient("localhost");
MySmtpClient.UseDefaultCredentials = false;
// MySmtpClient.Send(msg);//同步发送
MySmtpClient.SendCompleted += new SendCompletedEventHandler(SendCompletedCallback);
MySmtpClient.SendAsync(msg,"邮件发送成功！");//异步发送成功
//MessageBox.Show(this ,"邮件发送成功",this.Text,MessageBoxButtons .OK ,MessageBoxIcon .Information );
}
private void SendCompletedCallback(object sender, AsyncCompletedEventArgs e)
{
if (e.Error == null)
{
MessageBox.Show(this, "邮件发送成功", this.Text, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show(this, e.Error .Message+"/r/n"+e .Error .InnerException .Message, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
btnSend.Enabled = true;
}
private void btnEsc_Click(object sender, EventArgs e)
{
this.Close();
}
private void btnAddAttach_Click(object sender, EventArgs e)
{
odlgAttachment.InitialDirectory = @"c:/";
odlgAttachment.Filter = "所有文件(*.*)|*.*|HTML文件(*.htm;*html)|*.htm|Office文件(*.docx,*.xls,*.pptx)|*.docx;*.xls;*.pptx;|文本文件(*.txt)|*.txt";
odlgAttachment.FilterIndex = 1;
odlgAttachment.Multiselect = true;
if (odlgAttachment.ShowDialog() == DialogResult.OK)
{
if (Attacments == null)
{
Attacments = new ArrayList();
lstBoxAttach.Items.Clear();
}
string[] AttachFiles = odlgAttachment.FileNames;
foreach (string FileName in AttachFiles)
{
Attacments.Add(new Attachment(FileName));
lstBoxAttach.Items.Add(FileName);
}
}
}
private void SendMailFrm_FormClosed(object sender, FormClosedEventArgs e)
{
SaveToLastMail();
if (Attacments!=null)
Attacments.Clear();
Attacments = null;
MySmtpClient = null;
}
private void btnRemoveAttach_Click(object sender, EventArgs e)
{
int index = lstBoxAttach.SelectedIndex;
if (index >= 0)
{
Attacments.RemoveAt(index);
lstBoxAttach.Items.RemoveAt(index);
from =null ; to = null; msg.Dispose();
}
}
private void txtMailFrom_Validating(object sender, CancelEventArgs e)
{
TextBox txtbox = sender as TextBox;
if (txtbox !=null )
try
{
ValidateEmailAddress(txtbox);
}
catch (Exception ex)
{
e.Cancel = true;
txtbox.Select(0, txtbox.Text.Length);
errorProvider.SetError(txtbox, ex.Message);
}
}
private void ValidateEmailAddress(TextBox txtbox)
{
if (txtbox.Text.Trim().Length == 0)
throw new Exception("请您务必输入邮件！");
else
{
if (txtbox.Text.IndexOf(".") == -1 || txtbox.Text.IndexOf("@") == -1)
throw new Exception("请输入合法邮箱格式");
}
}
private void txtMailFrom_VisibleChanged(object sender, EventArgs e)
{
errorProvider.SetError((TextBox)sender, "");
}
private void rtbBody_Click(object sender, EventArgs e)
{
if (rtbBody .Text=="请输入正文......")
rtbBody.Clear();
}
}
}