Gmail: How to send an email programmatically

Question

Possible Exact Duplicate: Sending Email in C#.NET Through Gmail

Hi,

I'm trying to send an email using gmail:

I tried various examples that I found on this site and other sites but I always get the same error:
Unable to connect to the remote server -- > System.net.Sockets.SocketException: No connection could be made because the target actively refused it 209.85.147.109:587

    public static void Attempt1()
    {
        var client = new SmtpClient("smtp.gmail.com", 587)
        {
            Credentials = new NetworkCredential("[email protected]", "MyPassWord"),
            EnableSsl = true
        };
        client.Send("[email protected]", "[email protected]", "test", "testbody"); 
    }

Any ideas?

UPDATE

More details.

Maybe I should say what other attempts I made that gave me the same error: (Note when i didn't specify a port it tryed port 25)

    public static void Attempt2()
    {
        var fromAddress = new MailAddress("[email protected]", "From Name");
        var toAddress = new MailAddress("[email protected]", "To Name");
        const string fromPassword = "pass";
        const string subject = "Subject";
        const string body = "Body";
        var smtp = new SmtpClient
        {
            Host = "smtp.gmail.com",
            Port = 587,
            EnableSsl = true,
            DeliveryMethod = SmtpDeliveryMethod.Network,
            UseDefaultCredentials = false,
            Credentials = new NetworkCredential(fromAddress.Address, fromPassword)
        };
        using (var message = new MailMessage(fromAddress, toAddress)
        {
            Subject = subject,
            Body = body
        }
            ) { smtp.Send(message); }
    }


    public static void Attempt3()
    {
        MailMessage mail = new MailMessage();
        mail.To.Add("[email protected]");
        mail.From = new MailAddress("[email protected]");
        mail.Subject = "Email using Gmail";

        string Body = "Hi, this mail is to test sending mail" +
                      "using Gmail in ASP.NET";
        mail.Body = Body;

        mail.IsBodyHtml = true;
        SmtpClient smtp = new SmtpClient();
        smtp.Host = "smtp.gmail.com";
        smtp.Credentials = new System.Net.NetworkCredential
             ("[email protected]", "pass");
        smtp.EnableSsl = true;
        smtp.Send(mail);
    }

Answer 1

Adding these details to the question.

Answer 2

I'm using the following code:

SmtpClient sc = new SmtpClient("smtp.gmail.com");
NetworkCredential nc = new NetworkCredential("username", "password");//username doesn't include @gmail.com
sc.UseDefaultCredentials = false;
sc.Credentials = nc;
sc.EnableSsl = true;
sc.Port = 587;
try {
    sc.Send(mm);
} catch (Exception ex) {
    EventLog.WriteEntry("Error Sending", EventLogEntryType.Error);
}

Answer 3

You can see my blog post here at http://codersatwork.wordpress.com/2010/02/14/sending-email-using-gmail-smtp-server-and-spring-mail/ which explains how to use spring mail for sending email via gmail smtp server.

I used java but you can see the configuration and use that in your c# code.

Answer 4

Here is my connection resource to connect to Gmail from Java

<!-- Java Mail -->
    <Resource name="mail/MailSession" auth="Container" type="javax.mail.Session" 
                mail.debug="true"
                mail.transport.protocol="smtp"
                mail.smtp.host="smtp.gmail.com"
                mail.smtp.user="[email protected]"
                mail.smtp.password="yourpassword"
                mail.smtp.port="465"
                mail.smtp.starttls.enable="true"
                mail.smtp.auth="true"
                mail.smtp.socketFactory.port="465"
                mail.smtp.socketFactory.class="javax.net.ssl.SSLSocketFactory"
                mail.smtp.socketFactory.fallback="false" 
                mail.store.protocol="pop3"
                mail.pop3.host="pop.gmail.com"
                mail.pop3.port="995" />

Connect your Gmail account on Secure ports (465 for SMTP and 995 for POP3) and use any .NET SSL Factory available to connect securely to Gmail.

Answer 5

http://huseyincakir.wordpress.com/2010/03/11/mono-c-sending-mail-through-gmail/