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MimeKit

MailServiceConnectAsync(String, Int32, SecureSocketOptions, CancellationToken) Method

Asynchronously establish a connection to the specified mail server.

Namespace: MailKit
Assembly: MailKit (in MailKit.dll) Version: 4.12.1
Syntax
C#
Copy
public abstract Task ConnectAsync(
	string host,
	int port = 0,
	SecureSocketOptions options = SecureSocketOptions.Auto,
	CancellationToken cancellationToken = default
)

Parameters

host  String
The host name to connect to.
port  Int32  (Optional)
The port to connect to. If the specified port is 0, then the default port will be used.
options  SecureSocketOptions  (Optional)
The secure socket options to when connecting.
cancellationToken  CancellationToken  (Optional)
The cancellation token.

Return Value

Task
An asynchronous task context.

Implements

IMailServiceConnectAsync(String, Int32, SecureSocketOptions, CancellationToken)
Exceptions
ExceptionCondition
ArgumentNullExceptionhost is .
ArgumentOutOfRangeExceptionport is not between 0 and 65535.
ArgumentException The host is a zero-length string.
ObjectDisposedException The MailService has been disposed.
InvalidOperationException The MailService is already connected.
OperationCanceledException The operation was canceled via the cancellation token.
SocketException A socket error occurred trying to connect to the remote host.
IOException An I/O error occurred.
ProtocolException A protocol error occurred.
Remarks
Asynchronously establishes a connection to the specified mail server.
See Also