Smtp |
public override void Authenticate( SaslMechanism mechanism, CancellationToken cancellationToken = default )
Exception | Condition |
---|---|
ArgumentNullException | mechanism is null. |
ServiceNotConnectedException | The SmtpClient is not connected. |
InvalidOperationException | The SmtpClient is already authenticated. |
NotSupportedException | The SMTP server does not support authentication. |
OperationCanceledException | The operation was canceled via the cancellation token. |
AuthenticationException | Authentication using the supplied credentials has failed. |
SaslException | A SASL authentication error occurred. |
IOException | An I/O error occurred. |
SmtpCommandException | The SMTP command failed. |
SmtpProtocolException | An SMTP protocol error occurred. |
Authenticates using the specified SASL mechanism.
For a list of available SASL authentication mechanisms supported by the server, check the AuthenticationMechanisms property after the service has been connected.