IMailServiceNoOpAsync Method

Asynchronously ping the mail server to keep the connection alive.

Namespace: MailKit
Assembly: MailKit (in MailKit.dll) Version: 4.3.0

Syntax

Task NoOpAsync(
	CancellationToken cancellationToken = default
)

Task
An asynchronous task context.

Exceptions

Exception	Condition
ObjectDisposedException	The IMailService has been disposed.
ServiceNotConnectedException	The IMailService is not connected.
ServiceNotAuthenticatedException	The IMailService is not authenticated.
OperationCanceledException	The operation was canceled via the cancellation token.
IOException	An I/O error occurred.
CommandException	The command was rejected by the mail server.
ProtocolException	The server responded with an unexpected token.

Remarks

Mail servers, if left idle for too long, will automatically drop the connection.