Problems sending e-mail Asp.net.mvc

Question

Problems sending e-mail Asp.net.mvc

Asked 8 years, 6 months ago

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2

The SMTP server requires a secure connection or the client has not been authenticated?

[HttpPost]
public ActionResult Index(string login)
{
    try
    {
        var tbuscar = new UsuarioAplicacao();
        var retorno = tbuscar.ListarPorLogin(login);

        if (retorno != null)
        {
            string infLogin = retorno.login;
            string infSenha = retorno.senha;
            string infNome = retorno.nomeusuario;
            int infId = retorno.idusuario;

            string texto = "O seu login é : " + infLogin + " é sua senha é : " + infSenha;

            SmtpClient smtp = new SmtpClient("smtp.mail.yahoo.com", 587);
            smtp.Credentials = new System.Net.NetworkCredential("[email protected]", "senha");
            smtp.EnableSsl = true;
            smtp.UseDefaultCredentials = false;
            smtp.DeliveryMethod = SmtpDeliveryMethod.Network;

            MailMessage m = new MailMessage();
            m.Subject = "Recuperação de senha";
            m.Body = "Segue informações sobre usuário e senha: \n" + texto;
            m.To.Add(infLogin);
            m.From = new MailAddress("[email protected]");
            m.IsBodyHtml = true;
            smtp.Send(m);

            TempData["msg"] = "E-mail enviado com sucesso";    
        }
        else
        {
            TempData["Erro"] = "Usuário não cadastrado.";
        }

        ModelState.Clear();
    }
    catch (Exception ex)
    {
        TempData["Erro"] =  ex.Message;
    }

    return View();
}

Maybe you are using the real Gmail password, Google does not allow this type of operation. Here’s how to create a password for less secure apps: https://support.google.com/accounts/answer/6010255

– rubStackOverflow

2015/12/29 at 21:20
This code of yours would work with yahoo, I have an application running that almost equal to your code. If google is not a must for you try with yahoo.

– Ricardo

2015/12/29 at 22:13
@Ricardo, I’ll do a test using yahoo

– Harry

2015/12/29 at 23:33
What is the error? Here in the codeproject you have a good example: http://www.codeproject.com/Tips/520998/Send-Email-from-Yahoo-GMail-Hotmail-Csharp

– Marconi

2016/11/17 at 15:39

1 answer

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by Ricardo • **5,680** points · Answer 1 · 2015-12-29T23:37:16+00:00

With yahoo I’d be like this:

SmtpClient smtp = new SmtpClient("smtp.mail.yahoo.com", 587);
smtp.Credentials = new System.Net.NetworkCredential
      ("[email protected]", "senha");
smtp.EnableSsl = true;
smtp.UseDefaultCredentials = false;
smtp.DeliveryMethod = SmtpDeliveryMethod.Network;

MailMessage m= new MailMessage();
m.Subject = "Assunto do email";
m.Body = "corpo do email";
m.To.Add("[email protected]");
m.From = new MailAddress("[email protected]");
m.IsBodyHtml = true;

smtp.Send(m);