private void ButtonQueryClick(object sender, EventArgs e)
{
MessageBox.Show("This manual tool is for a single domain only and will not check after the first ';'.",
"MX Query", MessageBoxButtons.OK, MessageBoxIcon.Information);
if (textBoxEmail.TextLength <= 0 || !textBoxEmail.Text.Contains("@"))
{
return;
}
if (textBoxServer.Text.Contains(";"))
{
textBoxServer.Text = textBoxServer.Text.Substring(0,
textBoxServer.Text.IndexOf(";",
StringComparison.Ordinal));
}
var mxRecords = DnsMx.GetMxRecords(textBoxServer.Text);
if (_automx)
{
textBoxServer.Text = mxRecords[0];
}
else
{
var mxLookup = new MxLookup(mxRecords, this);
mxLookup.ShowDialog();
}
}
private void ButtonSendClick(object sender, EventArgs e)
{
try
{
var sending = new Sending();
sending.Show();
var mxServers = new List <string>();
var toAddresses = new List <string>();
toAddresses.AddRange(textBoxEmail.Text.Split(';'));
var fromAddresses = new List <string>();
fromAddresses.AddRange(textBoxFrom.Text.Split(';'));
var random = new Random();
const bool isHtml = false;
var msgBody = (checkBoxRichText.Checked) ? richTextBoxContent.Rtf : richTextBoxContent.Text;
if (_automx)
{
mxServers.AddRange(textBoxServer.Text.Split(';').Select(mxServer => DnsMx.GetMxRecords(mxServer)[0]));
}
else
{
mxServers.Add(textBoxServer.Text);
}
int numMessages;
if (!int.TryParse(textBoxNumberOfCopies.Text, out numMessages))
{
MessageBox.Show("Invalid Number of Messages. Defaulting to 1.", "Email Sender", MessageBoxButtons.OK,
MessageBoxIcon.Warning);
textBoxNumberOfCopies.Text = "1";
numMessages = 1;
}
for (var j = 0; j < numMessages; j++)
{
for (var i = 0; i < mxServers.Count; i++)
{
var smtpClient = new SmtpClient
{
Host = mxServers[i],
DeliveryMethod = SmtpDeliveryMethod.Network,
Port = int.Parse(comboBoxPort.SelectedItem.ToString())
};
var mailMessage =
new MailMessage(new MailAddress(fromAddresses[random.Next(0, fromAddresses.Count)]),
new MailAddress(toAddresses[i]))
{
Subject = textBoxSubject.Text,
Body = msgBody,
IsBodyHtml = isHtml
};
if (_attachmentCollection != null)
{
foreach (string attch in _attachmentCollection)
{
mailMessage.Attachments.Add(new Attachment(attch));
}
}
smtpClient.Send(mailMessage);
}
}
if (MessageBox.Show("Clear? (Including Attachments)", "", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
textBoxEmail.Clear();
textBoxFrom.Clear();
textBoxServer.Clear();
textBoxSubject.Clear();
richTextBoxContent.Clear();
_attachmentCollection = null;
_automx = true;
}
sending.Close();
}
catch (Exception ex)
{
MessageBox.Show(
"An error occured and its all your fault.\nYes you heard me, YOUR FAULT.\n\nTech Crap:\n" +
ex.Message);
}
}