Sending mail problem

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I am trying to send mail but showing error where I did mistake

Label1.Visible = true;
        MailMessage mm = new MailMessage();
        SmtpClient smtp = new SmtpClient();
        mm.From = new MailAddress(fromtext.Text);
        mm.To.Add(new MailAddress(totext.Text));
        mm.Subject = txtsubject.Text;
        mm.Body = txtmessage.Text;
        mm.IsBodyHtml = true;
        smtp.Host = "smtp.gmail.com";
        smtp.EnableSsl = true;
        System.Net.NetworkCredential NetworkCred = new System.Net.NetworkCredential();
        NetworkCred.UserName = "nagaswarupa@brihaspathi.com";//write your gmail user name      
        NetworkCred.Password = "";// write pass word          
        smtp.UseDefaultCredentials = true;
        smtp.Credentials = NetworkCred;
        smtp.Port = 587; //Gmail port for e-mail 465 or 587      
        smtp.Send(mm);
        Label1.Text = "succecc fully send";

smtp.Send(mm);showing error here like Failure sending mail.

Posted 20-Jan-11 17:34pm

Rupa1

Updated 20-Jan-11 17:50pm

m@dhu

v2

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Comments

TejuKrishna 20-Jan-11 23:38pm

try using defaukt port i.e.25

Rupa1 20-Jan-11 23:48pm

Label1.Visible = true;
MailMessage mm = new MailMessage();
SmtpClient smtp = new SmtpClient();
mm.From = new MailAddress(fromtext.Text);
mm.To.Add(new MailAddress(totext.Text));
mm.Subject = txtsubject.Text;
mm.Body = txtmessage.Text;
mm.IsBodyHtml = true;
smtp.Host = "smtp.gmail.com";
smtp.EnableSsl = true;
System.Net.NetworkCredential NetworkCred = new System.Net.NetworkCredential();
NetworkCred.UserName = "nagaswarupa@brihaspathi.com";//write your gmail user name
NetworkCred.Password = "";// write pass word
smtp.UseDefaultCredentials = true;
smtp.Credentials = NetworkCred;
smtp.Port = 25; //Gmail port for e-mail 465 or 587
smtp.Send(mm);
Label1.Text = "succecc fully send";

again same error like Failure sending mail.

m@dhu 20-Jan-11 23:51pm

Edited for code block, readability.

Rupa1 20-Jan-11 23:59pm

where i am doing mistake sir............

1 solution

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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Sandeep Mewara · Answer 1 · 2011-01-20T18:30:00

I guess, we already shared our views on the same.

It can be because of various reasons. You need to look at them one by one.
Is the port open? Firewall permissions in place?
Further make sure you have configured SMTP configuration in Web.Config:

<system.net>
   <mailSettings>
     <smtp from="abc@somedomain.com">
       <network host="somesmtpserver" port="587" userName="name" password="pass" defaultCredentials="true" />
     </smtp>
   </mailSettings>
</system.net>

You need to troubleshoot and check what is the reason n your case.

Sending mail problem

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