using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Net.Mail;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Windows.Forms;
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namespace SendEmail
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{
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public partial class Form1 : Form
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{
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public Form1()
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{
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InitializeComponent();
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}
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private bool IsValidEmailAddress(string emailAddress)
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{ // From http://msdn.microsoft.com/en-us/library/01escwtf.aspx
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return Regex.IsMatch(emailAddress, @"^(?("")("".+?""@)|(([0-9a-zA-Z]((\.(?!\.))|[-!#\$%&'\*\+/=\?\^`\{\}\|~\w])*)(?<=[0-9a-zA-Z])@))" +
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@"(?(\[)(\[(\d{1,3}\.){3}\d{1,3}\])|(([0-9a-zA-Z][-\w]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,6}))$");
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}
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private void buttonSend_Click(object sender, EventArgs e)
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{
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bool emailSent = false;
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// Code taken from EvtMgt.AlertEmailService AlertEmailService.cs SendEmail()
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if ((IsValidEmailAddress(textBoxFrom.Text)) && (IsValidEmailAddress(textBoxTo.Text)) && (textBoxSubject.Text.Length > 0))
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{
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try
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{
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SmtpClient smtp = new System.Net.Mail.SmtpClient();
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smtp.Host = textBoxServer.Text;
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smtp.Port = Convert.ToInt32(textBoxPort.Text);
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MailMessage emailmsg = new System.Net.Mail.MailMessage();
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emailmsg.From = new System.Net.Mail.MailAddress(textBoxFrom.Text);
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emailmsg.To.Add(textBoxTo.Text);
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emailmsg.Body = textBoxBody.Text;
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emailmsg.IsBodyHtml = false; ;
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emailmsg.Subject = textBoxSubject.Text;
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DateTime startTime = DateTime.Now;
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smtp.Send(emailmsg);
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textBoxTimeElapsed.Text = String.Format("{0} seconds", (DateTime.Now - startTime).TotalSeconds);
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emailSent = true;
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}
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catch (System.Exception ex)
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{
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string message = string.Empty;
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if (ex.InnerException == null)
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{
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message = "Exception " + ex.Message + " - " + ex.Source;
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}
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else
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{
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message = "Inner Exception " + ex.InnerException.Message;
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}
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MessageBox.Show(message);
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}
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}
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else
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{
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MessageBox.Show("Invalid email address in From or To or empty Body");
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}
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}
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}
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}
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