IMailServiceConnect(String, Int32, SecureSocketOptions, CancellationToken) Method

Establish a connection to the specified mail server.

Definition

Namespace: MailKit
Assembly: MailKit (in MailKit.dll) Version: 5.0.0
C#
void Connect(
	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.

Remarks

Establish a connection to the specified mail server.

If a successful connection is made, the AuthenticationMechanisms property will be populated.

Exceptions

ArgumentNullException host is .
ArgumentOutOfRangeException port is not between 0 and 65535.
ArgumentException The host is a zero-length string.
InvalidOperationException The IMailService is already connected.
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.

See Also