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error in smtp sending mail reg

Posted By: Gowthammanju     Posted Date: May 18, 2011    Points:5   Category :ASP.Net
i used following code to send mail from asp.net pages

these are

protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{ }
}
protected void Button1_Click(object sender, EventArgs e)
{
Response.Write(SendMail("info@letrouters.com", "info@letrouters.com", "info@letrouters.com", "Test Mail", "Test Mail Body"));
}
public string SendMail(string toList, string from, string ccList, string subject, string body)
{
MailMessage message = new MailMessage();
SmtpClient smtpClient = new SmtpClient();
string msg = string.Empty;
try
{
MailAddress fromAddress = new MailAddress(from);
message.From = fromAddress;
message.To.Add(toList);
if (ccList != null && ccList != string.Empty)
message.CC.Add(ccList);
message.Subject = subject;
message.IsBodyHtml = true;
message.Body = body;
smtpClient.Host = "mail.letrouters.com";
smtpClient.Port = 25;
smtpClient.UseDefaultCredentials = true;
smtpClient.Credentials = new System.Net.NetworkCredential("info@letrouters.com", "xxxxx");

smtpClient.Send(message);
msg = "Successful";
}
catch (Exception ex)
{
Response.Write(ex.Message);
}

return msg;
}

but i am getting error such as
failure in sending mail at line (smtpClient.Send(message);)

i am trying to send message to my companymail id using asp.net can any one guide me and help me to come out of this problem

Responses
Author: Gowthammanju             
Posted Date: May 19, 2011     Points: 20   

go through following links


http://www.codeproject.com/Questions/58761/No-connection-could-be-made-because-the-target-mac.aspx


or try this approach


plz note, if you where working with your own domain (email) other than yahoo, gmail etc then you should have running smtp details, to check this by configuring smtp with outlook express, if you success here then come to coding.

find the sample code working for me (i'm using gmail here):-

public void sendmail(string abc, string xxx, string abx)
{
//constructing html based email
string smsg = "Your email content here:<br>";
smsg += "<br><b>Test: </b>" + abc;
smsg += "<br><b>Test: </b>" + xxx;
smsg += "<br><b>Test: </b>" + abx;
smsg += "<br><br><br><br>";
smsg += "<b>Test</b>";

MailMessage message = new MailMessage();
try
{
message.To.Add(new MailAddress("receiver-email-id")); //you may find this from db too
message.From = new MailAddress("yourname@gmail.com");

message.Subject = "Your Subject";
message.Body = smsg;
message.IsBodyHtml = true;

SmtpClient client = new SmtpClient();
client.Port = 587; //Gmail works on port 587 for me
client.Host = "smtp.gmail.com";
System.Net.NetworkCredential nc = new System.Net.NetworkCredential("yourname@gmail.com", "password");
client.EnableSsl = true;
client.UseDefaultCredentials = false;
client.Credentials = nc;
client.Send(message);
}
catch
{
//place the catch statements here
}
}


Now call this function as

sendmail(a.Text, b.Text, c.Text);

Thanks & Regards,
GowthamManju
Chennai



Mark if the answer is true
Author: Gowthammanju             
Posted Date: May 19, 2011     Points: 20   

means, there is something problem with smtp settings, plz reply which email server you are using. gmail, yahoo or your own website mail address.

Look at this article to configure outlook (so that you can check your smtp, if works with outlook then will with asp):-

http://www.vbdotnetheaven.com/UploadFile/abhikumarvatsa/1472/

Thanks & Regards,
GowthamManju
Chennai



Mark if the answer is true
Author: shiv chandra             
Posted Date: June 08, 2011     Points: 20   

Please check SMTP Port and credential.

Regards
Shiva


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