Problem with sending mail on web server

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hello,
i hava a contact us form that is working fine on my local host. but after uploading it to the hosting server it is not working . below is my code.

XML

<div style="width:300px; margin-left:30px; float:left; height:auto;">
<h1>Feedback Form</h1><hr />
 <fieldset>
<legend>Contact us</legend>


<div>
<%--<asp:Label ID="Name" runat="server" Text="Your Name*:"/><br/>--%>
<asp:TextBox ID="txtName" runat="server" placeholder="Your Name" CssClass="twitterStyleTextbox"  /><br />
<asp:RequiredFieldValidator ID="RV1" runat="server"
                            ControlToValidate="txtName"  ForeColor=Red
                            ErrorMessage="Please Enter Your Name"
                            SetFocusOnError="True">
</asp:RequiredFieldValidator><br />
</div>

<div>
<%--<asp:Label ID="Email" runat="server" Text="Email*:"/><br/>--%>
<asp:TextBox ID="txtMail" runat="server" placeholder="Your Email Id" CssClass="twitterStyleTextbox"/><br />
<asp:RequiredFieldValidator ID="RV2" runat="server"
                            ControlToValidate="txtMail" ForeColor=Red
                            ErrorMessage="Your Email Address"
                            SetFocusOnError="True">
</asp:RequiredFieldValidator><asp:RegularExpressionValidator ID="RegularExpressionValidator1"
    runat="server" ErrorMessage="Please Enter valid Email Address"
    ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"
        ControlToValidate="txtMail" ForeColor="#FF3300"></asp:RegularExpressionValidator><br />
</div>

<div>
<%--<asp:Label ID="Sub" runat="server" Text="Subject*:"/><br/>--%>
<asp:TextBox ID="txtSubject" runat="server" placeholder="Subject" CssClass="twitterStyleTextbox"/><br />
<asp:RequiredFieldValidator ID="RV3" runat="server"
                            ControlToValidate="txtSubject" ForeColor=Red
                            ErrorMessage="Reason to contact us"
                            SetFocusOnError="True">
</asp:RequiredFieldValidator><br />
</div>

<div>
<%--<asp:Label ID="Message" runat="server" Text="Feedback:"/><br/>--%>
<asp:TextBox ID="txtMessage" runat="server" CssClass="twitterStyleTextbox"
        placeholder="Your Message" TextMode="MultiLine" Width="249px"/><br />
<asp:RequiredFieldValidator ID="RV4" runat="server"
                            ControlToValidate="txtMessage" ForeColor=Red
                            ErrorMessage="Please write your feedback"
                            SetFocusOnError="True">
</asp:RequiredFieldValidator><br />
</div>

<div>
<asp:Button  ID="btnSubmit" runat="server"
            Text="Submit" onclick="btnSubmit_Click"/>
</div>
<asp:ValidationSummary ID="ValidationSummary1"
                       runat="server"/>
</fieldset>
<asp:Label ID="Label1" runat="server" Text=""/>
</div>

my c# code

XML

private void sendmail()
   {
       try
       {

           str_mailer.Append(@"<b>Name : </b>  " + txtName.Text);
           str_mailer.Append(@"<br/> <b>Email Address : </b>" + txtMail.Text);
           str_mailer.Append(@"<br/><b>Subject : </b>" + txtSubject.Text);
           str_mailer.Append(@"<br/><b>Message : </b>" + txtMessage.Text);
           System.Net.Mail.MailMessage mail = new System.Net.Mail.MailMessage(ConfigurationManager.AppSettings["id"], ConfigurationManager.AppSettings["to"], "Contact Us", str_mailer.ToString());
           System.Net.NetworkCredential mailAuthentication = new System.Net.NetworkCredential(ConfigurationManager.AppSettings["id"], ConfigurationManager.AppSettings["pswd"]);
           System.Net.Mail.SmtpClient mailClient = new System.Net.Mail.SmtpClient(ConfigurationManager.AppSettings["smtp"], Convert.ToInt32(ConfigurationManager.AppSettings["port"]));
           mailClient.EnableSsl = true;
           mail.IsBodyHtml = true;
           mailClient.UseDefaultCredentials = false;
           mailClient.Credentials = mailAuthentication;
           mailClient.Send(mail);
           Label1.Text = "<b>Thank you for contacting with us. We will be in contact with you soon.<b>";
       }
       catch
       {



           Label1.Text = "Please wait..";
           sendmail();


       }

   }

   protected void btnSubmit_Click(object sender, EventArgs e)
   {
       sendmail();
       txtMail.Text = "";
       txtMessage.Text = "";
       txtSubject.Text = "";
       txtName.Text = "";
   }

web.config code

XML

<appSettings>
  <add key="to" value="to address"/>
  <add key="from" value="mygmail@gmail.com "/>
  <add key="id" value="mygmail@gmail.com   "/>
  <add key="pswd" value="password"/>
  <add key="port" value="587"/>
  <add key="smtp" value="smtp.gmail.com"/>
</appSettings>

plz help someone to me.

Posted 13-Jan-14 17:08pm

Member 10522141

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Comments

JoCodes 13-Jan-14 23:10pm

Any error message?

joginder-banger 13-Jan-14 23:20pm

what's type of error you faced??

Member 10522141 14-Jan-14 1:13am

its not showing any error. plz have a look
http://professional-tutors.org.uk/Contactus.aspx

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 13-Jan-14 23:46pm

Not working is not informative. Do you get any Exception?

Ron Beyer 13-Jan-14 23:49pm

If he is, its a StackOverflowException, his exception handling code just calls itself again, and again, and again... He's swallowing everything else.

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 13-Jan-14 23:57pm

Oh yes, I have not seen the code actually. He is calling the sendmail method inside Catch.
So, what is the use of Exception handling !!! OP needs to reconsider his approach.

Thanks Ron... :)

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) · Answer 1 · 2014-01-13T18:32:00

Quote:

C#

catch
{
   Label1.Text = "Please wait..";
   sendmail();

   // Please Log the Exception
}

You are sending mail inside Catch Block. Is that what you need? Rather just log the Exception in some File or Database, so that you can track why exactly it is failing to work as expected.

There must be some problems while sending the mail and it might be due to many reasons.
Firewall/AntiVirus blocking the port 587 is a very common issue.

Refer my answer - sending email to gmail from asp.net[^] and check if you are doing it correctly.

Once you log the Exception, you will be able to know the issue specifically. Then you can just search that Exception in Google and try the solutions suggested.