How to send emails in asp.net using Gmail

Introduction: Sometimes it is required to send emails from our website to other person.It’s very easy.In my previous article i explained How to send mail with multiple attachments in asp.net with C#,Vb.Net and Send email to multiple users based on CheckBox selection inside GridView and How to send emails in asp.net | How to set Smtp setting in web.config file to send email in asp.net and Send emails in asp.net using Gmail | How to set Smtp setting in web.config file to send emails in asp.net using Gmail in asp.net.
Now in this article i am going to explain how you can send email using your GMAIL account credentials i.e. gmail email id and password in asp.net.Just follow the article.

Implementation: Let's create an application to understand:

In the design page (.aspx) design the page as:

<table style="width:100%;">

    <tr>

        <td>

            Send To(Email Address)</td>

        <td>

            <asp:TextBox ID="txtEmailId" runat="server" Columns="60"></asp:TextBox>

            </td>

    </tr>

    <tr>

        <td>

            Subject</td>

        <td>

            <asp:TextBox ID="txtSubject" runat="server" Columns="60"></asp:TextBox>

            </td>

    </tr>

    <tr>

        <td>

            Body</td>

        <td>

            <asp:TextBox ID="txtBody" runat="server" Columns="60"Rows="5"

                TextMode="MultiLine"></asp:TextBox>

            </td>

    </tr>

    <tr>

        <td>

             </td>

        <td>

            <asp:Button ID="btnSendEmail" runat="server"onclick="btnSendEmail_Click"

                Text="Send Email" />

            </td>

    </tr>  

</table>

C#.NET Code to send emails in asp.net using Gmail 
 

Include following namespaces:

using System.Configuration;

using System.Net;

using System.Net.Mail;

• Now in the code behind file(.aspx.cs) write the code to send Email on send mail button as:

protected void btnSendEmail_Click(object sender, EventArgs e)

    {

        if (SendEmailUsingGmail("YourGmailId@gmail.com", txtEmailId.Text.Trim(), txtSubject.Text.Trim(), txtBody.Text.Trim(),"YourGmailPassword"))

        {

            Response.Write("Mail send");

        }

        else

        {

            Response.Write("Error in sending mail");

        }

    }

    private static Boolean SendEmailUsingGmail(string fromEmailAddress,string toEmailAddress, string subject, string messageBody, stringgmailPassword)

    {

        try

        {

            SmtpClient smtp = new SmtpClient();

            smtp.Credentials = new NetworkCredential(fromEmailAddress, gmailPassword);

            smtp.Port = 587;

            smtp.Host = "smtp.gmail.com";

            smtp.EnableSsl = true;

            MailMessage message = new MailMessage();

            message.From = new MailAddress(fromEmailAddress);

            message.To.Add(toEmailAddress);

            message.Subject = subject;

            message.Body = messageBody;

            smtp.Send(message);

            return true;

        }

        catch

        {

            return false;

        }

    }