ISmtp |
InternetAddressList Expand( string alias, CancellationToken cancellationToken = default )
Exception | Condition |
---|---|
ArgumentNullException | alias is null. |
ArgumentException | alias is an empty string. |
ObjectDisposedException | The SmtpClient has been disposed. |
ServiceNotConnectedException | The SmtpClient is not connected. |
ServiceNotAuthenticatedException | Authentication is required before verifying the existence of an address. |
OperationCanceledException | The operation has been canceled. |
IOException | An I/O error occurred. |
SmtpCommandException | The SMTP command failed. |
SmtpProtocolException | An SMTP protocol exception occurred. |