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MimeKit

IMailFolderExtensionsAppendAsync(IMailFolder, FormatOptions, MimeMessage, MessageFlags, CancellationToken, ITransferProgress) Method

Asynchronously append the specified message to the folder.

Namespace: MailKit
Assembly: MailKit (in MailKit.dll) Version: 4.12.1
Syntax
C#
Copy
public static Task<UniqueId?> AppendAsync(
	this IMailFolder folder,
	FormatOptions options,
	MimeMessage message,
	MessageFlags flags = MessageFlags.None,
	CancellationToken cancellationToken = default,
	ITransferProgress progress = null
)

Parameters

folder  IMailFolder
The folder.
options  FormatOptions
The formatting options.
message  MimeMessage
The message.
flags  MessageFlags  (Optional)
The message flags.
cancellationToken  CancellationToken  (Optional)
The cancellation token.
progress  ITransferProgress  (Optional)
The progress reporting mechanism.

Return Value

TaskNullableUniqueId
The UID of the appended message, if available; otherwise, .

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IMailFolder. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
Exceptions
ExceptionCondition
ArgumentNullException

options is .

-or-

message is .

ObjectDisposedException The IMailStore has been disposed.
ServiceNotConnectedException The IMailStore is not connected.
ServiceNotAuthenticatedException The IMailStore is not authenticated.
FolderNotFoundException The MailFolder does not exist.
InvalidOperationException Internationalized formatting was requested but has not been enabled.
OperationCanceledException The operation was canceled via the cancellation token.
NotSupportedException Internationalized formatting was requested but is not supported by the server.
IOException An I/O error occurred.
ProtocolException The server's response contained unexpected tokens.
CommandException The command failed.
Remarks
Asynchronously appends the specified message to the folder and returns the UniqueId assigned to the message.
See Also