SMTP. Why e.Message = Operation timed out?

Question

ASP.NET

try
        {
            WebMail.SmtpServer = "smtp.yandex.ru";
            WebMail.SmtpPort = 465;
            WebMail.EnableSsl = true;
            WebMail.UserName = "s.endmail";
            WebMail.Password = "[email protected]$w0rd";
            WebMail.From = "[email protected]";
 
            WebMail.Send("[email protected]", "RSVP Приглашение",
                Model.Name + ((Model.WillAttend ?? false) ? "" : "не") + "придет");
        }
        catch (Exception e)
        {
            @:<b>К сожалению при отправке письма возникла ошибка.</b>
        }

Answer 1

I had the same problem, I tried with different mails, I found out that most mailers turned off access to smtp from third-party programs, except for a few mailers.
It is necessary to take your own, it usually goes to hosting.

Answer 2

And it's better to use SendAsync