public void WhenUsingNonSecureModeThenNoSecureSocketOptionWillBeUsed()
{
using IMailService client = new SmtpClient();
var socketOptions = client.ConfigureSecurity(false);
Assert.That(socketOptions, Is.EqualTo(SecureSocketOptions.None));
}
public void WhenUsingSecureModeThenItWillAllTlsSpecifications()
{
using IMailService client = new SmtpClient();
client.ConfigureSecurity(true);
Assert.That(client.SslProtocols & SslProtocols.Tls, Is.EqualTo(SslProtocols.Tls));
Assert.That(client.SslProtocols & SslProtocols.Tls11, Is.EqualTo(SslProtocols.Tls11));
Assert.That(client.SslProtocols & SslProtocols.Tls12, Is.EqualTo(SslProtocols.Tls12));
Assert.That(client.SslProtocols & SslProtocols.Tls13, Is.EqualTo(SslProtocols.Tls13));
}