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Hi All,
i trying to simple develop website and i need to add sending email in it

i try many format of codes, but still i get same problem
the problem that I face says:
in Chrome browser : The remote certificate is invalid according to the validation procedure.
in Firefox & Internet Explorer : Failure sending mail.

This is the code ,, and i saw that in youtube and it is working with the person who write it ,, but I don't know what is the problem with my project ..

The Code :

C#
MailMessage msg = new MailMessage();
            MailAddress to = new MailAddress(Label24.Text.ToString(), " Trainig Management System");
            MailAddress from = new MailAddress(Label15.Text.ToString());
            msg.To.Add(to);
            msg.From = from;
            msg.Subject = Label20.Text.ToString();
            msg.Body = Label23.Text.ToString();
            msg.IsBodyHtml = true;
            msg.SubjectEncoding = System.Text.Encoding.UTF8;

            // to read mail information smtp simple transfer protocol
            SmtpClient client = new SmtpClient();
            client.Host = "smtp.gmail.com";   // google smtp setting
            client.Port = 587;

            // to get the 'from' address details ( user name + password) 
            System.Net.NetworkCredential myaccount = new NetworkCredential(Label15.Text.ToString(), TextBox1.Text.ToString());
            client.Credentials = myaccount;
            client.EnableSsl = true;  // encription, make it secure (the sender infromation) 
            client.UseDefaultCredentials = false;


            try
            {
                client.Send(msg);
                Server.Transfer("end_message.aspx", true);
            }
            catch (Exception ex)
            {
                Label19.Text = ex.Message;
            }
Posted
Comments
Arkadeep De 6-Apr-15 12:59pm    
You might get a mail from Google on the mail id, which one you are using. You have to do couple of clicks and your error should be gone.
Member 11193774 6-Apr-15 17:03pm    
i'm using gmail for both (sender and receiver ) , i get the error when i run the website. from catch part i get error message says : The remote certificate is invalid according to the validation procedure.

sorry , but what did you mean by do couple of click ?
[no name] 7-Apr-15 1:52am    

As per the error message "The remote certificate is invalid according to the validation procedure." in one of your comments above, you may want to perform these diagnostic steps[^]. Also ensure that the system's date and time are correct.

Hope this helps.
 
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Comments
Member 11193774 7-Apr-15 6:44am    
i have already apply all those steps. But still i get the same error . is it something related to code or to my browser ? i really want to solve this
Agent__007 7-Apr-15 6:56am    
Did you check the system's date and time? If they are correct, check this answer out: "http://stackoverflow.com/questions/777607/the-remote-certificate-is-invalid-according-to-the-validation-procedure-using". "Do not use that workaround in your production code". If that works, contact your SysAdmins/STGs/IT department to get a valid/trusted certificate.
Please remove Google authentication 2-step verification and try again ..
 
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Comments
Member 11193774 7-Apr-15 6:46am    
sorry ,, which step do you mean ?
Is it this one : client.Host = "smtp.gmail.com"; ?
Padam Agrawal 7-Apr-15 7:12am    
if sender email has 2 step Google verification then remove/deactivate then try..

search how deactivate Google authentication 2-step verification
Member 11193774 7-Apr-15 7:53am    
i turn off verification , still i get the same error
 
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Member 11193774 7-Apr-15 6:50am    
for which gmail should i apply that ? sender or receiver ,
actually i'm trying to send mail from website by using user mail to Admin mail
Padam Agrawal 7-Apr-15 7:10am    
you have to setup sender email details.
Member 11193774 7-Apr-15 7:54am    
i did that , but still i got the same error
Padam Agrawal 7-Apr-15 8:15am    
Contact at padam.production@gmail.com
Seems your SMTP server don't have certificate. try once EnableSSL= false
 
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Comments
Deepu S Nair 15-Apr-15 6:46am    
Two solutions for a single question?Please use 'Improve Solution' link to update your existing solution.

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