	Name	Description
	AbortTimeout	Gets or sets a value, in milliseconds, indicating after what period of time a POP3 abort operation should timeout.
	Config	Gets or sets POP3 object settings.
	Encoding	Gets or sets the Encoding that is used to encode commands sent to the server, and decode replies from the server.
	InstanceId	Gets instance ID (intended for logging purposes).
	InvokeFromCurrentThreads	Gets a value indicating whether to raise events from the current thread or to use a SynchronizationContext object available when an asynchronous operation was started. The default value is `false`.
	IsAuthenticated	Gets a boolean value indicating whether the session is authenticated. This is used to check whether the session has been automatically preauthenticated prior to calling the Authenticate method.
	IsBusy	Gets a value indicating whether the component is performing a lengthy operation.
	IsConnected	Gets a boolean value indicating whether the connection has been established.
	IsConnectionSecured	Gets the value indicating whether the control connection is secured.
	LocalEndPoint	Gets the local client EndPoint.
	LogSource	Gets or sets the source object for all log messages generated by this object. If not set, the property returns the current object.
	MailboxSize	Gets the size of the mailbox in bytes (the sum of lengths of all messages).
	MessageCount	Gets the number of messages in the mailbox.
	Proxy	Gets or sets the server proxy, if any, used to connect to the remote server.
	RemoteEndPoint	Gets the remote server EndPoint.
	SecureSocket	Returns the TLS/SSL socket of secured control connection.
	ServerName	Gets the host name of the connected session, or null if not connected.
	ServerPort	Gets the SFTP port of the connected session, or 0 if not connected.
	State	Gets the current state of the Pop3 object.
	SupportedAuthenticationMethods	Gets the list of supported authentication methods.
	SupportedFeatures	Gets the bit field specifying the extensions supported by the server.
	Timeout	Gets or sets a value, in milliseconds, indicating after what period of time an operation (sending commands, waiting for responses or time between data buffer transfers) should timeout.
	TraceListenerManager	Gets or sets the TraceListenerManager object to which the log messages generated by this object are sent. If not set, the Default trace listener manager is used. If this property is set to null, all messages from this object wont be logged.
	TraceSource	Gets or sets the source object for all log messages generated by this object. If not set, the property returns the current object.
	UserName	Gets the user of the connected session, or null if not connected.

	Name	Description
	DefaultImplicitSslPort	Default POP3 Implicit SSL port - 995.
	DefaultPort	Default POP3 port - 110.

	Name	Description
	Authenticate	Overloaded. Authenticates the user to the remote POP3 server using the specified authentication method that does not require credentials. Only NTLM and External methods are supported.
	AuthenticateAsync	Overloaded. Asynchronously authenticates the user to the remote POP3 server using the specified authentication method that does not require credentials. Only NTLM and External methods are supported.
	Cancel	Aborts the current operation.
	CheckSession	Checks whether the POP3 session is still connected. Throws an exception on error.
	Connect	Overloaded. Connects to a POP3 server on the standard POP3 port (110).
	ConnectAsync	Overloaded. Asynchronously connects to a POP3 server on the standard POP3 port (110).
	Delete	Flags the specified message for deletion from the server.
	DeleteAsync	Overloaded. Asynchronously flags the specified message for deletion from the server.
	Disconnect	Overloaded. Disconnects from the POP3 server and releases any used resources. All messages marked as deleted will be permanently removed.
	DisconnectAsync	Overloaded. Asynchronously disconnects from the POP3 server and releases any used resources. All messages marked as deleted will be permanently removed.
	Dispose	Disposes the Pop3 object and all the socket objects.
	DownloadMailMessage	Completely downloads the specified message from the server and loads it into an instance of the MailMessage class.
	DownloadMailMessageAsync	Overloaded. Asynchronously completely downloads the specified message from the server and loads it into an instance of the MailMessage class.
	DownloadMessage	Overloaded. Downloads the specified message from the server and writes its data into a supplied stream.
	DownloadMessageAsync	Overloaded. Asynchronously downloads the specified message from the server and writes its data into a supplied stream.
	DownloadMessageHeaders	Downloads the headers of a message with the specified inbox index from the server and writes its data into a supplied stream.
	DownloadMessageHeadersAsync	Overloaded. Asynchronously downloads the headers of a message with the specified inbox index from the server and writes its data into a supplied stream.
	DownloadPop3Message	Retrieves information about a message with the specified sequence number.
	DownloadPop3MessageAsync	Overloaded. Asynchronously retrieves information about a message with the specified sequence number.
	GetMailboxStat	Sends a STAT command to a POP3 server and parse the response.
	GetMailboxStatAsync	Overloaded. Asynchronously sends a STAT command to a POP3 server and parse the response.
	GetMessageInboxIndex	Tries to retrieve the inbox index of the specified message by unique ID.
	GetMessageInboxIndexAsync	Overloaded. Asynchronously tries to retrieve the inbox index of the specified message by unique ID.
	GetMessageSequenceNumber	Converts a unique ID to sequence number. Returns the sequence number of the specified message, or null (Nothing in VB.NET) if not found.
	GetSessionStatus	Checks whether the POP3 session is still connected and returns its state.
	ListMessages	Overloaded. Retrieves a list of Pop3Message in the currently selected mailbox. Each message in the list contains the specified envelope parts.
	ListMessagesAsync	Overloaded. Asynchronously retrieves a list of Pop3Message in the currently selected mailbox. Each message in the list contains the specified envelope parts.
	ReadResponse	Returns the corresponding response of the POP3 server to the command that was sent using the SendCommand method.
	ReadResponseAsync	Overloaded. Asynchronously returns the corresponding response of the POP3 server to the command that was sent using the SendCommand or SendCommandAsyncmethod.
	SendCommand	Sends a custom command to the server.
	SendCommandAsync	Overloaded. Asynchronously sends a custom command to the server.
	SetSocketFactory	Sets the socket factory to be used to create communication sockets.
	ToString	Overridden. Returns a string representation of this object.
	Undelete	Undelete messages - unmarks any messages that have been marked as deleted.
	UndeleteAsync	Overloaded. Asynchronously undelete messages - unmarks any messages that have been marked as deleted.
	UpgradeConnection	Secures the connection with TLS/SSL using default parameters.
	UpgradeConnectionAsync	Overloaded. Asynchronously secures the connection with TLS/SSL using default parameters.

	Name	Description
	Dispose	Releases the unmanaged resources used by the Pop3 and optionally releases the managed resources.
	Finalize	Overridden. Finalizer. Called by garbage collector during object destruction.
	OnAuthenticateCompleted	Raises the AuthenticateCompleted event.
	OnCertificateReceived	Raises the CertificateReceived event.
	OnCertificateRequired	Raises the CertificateRequired event.
	OnCommandResponse	Raises the CommandResponse event.
	OnConnectCompleted	Raises the ConnectCompleted event.
	OnDeleteCompleted	Raises the DeleteCompleted event.
	OnDisconnectCompleted	Raises the DisconnectCompleted event.
	OnDownloadMailMessageCompleted	Raises the DownloadMailMessageCompleted event.
	OnDownloadMessageCompleted	Raises the DownloadMessageCompleted event.
	OnDownloadMessageHeadersCompleted	Raises the DownloadMessageHeadersCompleted event.
	OnDownloadPop3MessageCompleted	Raises the DownloadPop3MessageCompleted event.
	OnGetMailboxStatCompleted	Raises the GetMailboxStatCompleted event.
	OnGetMessageInboxIndexCompleted	Raises the GetMessageInboxIndexCompleted event.
	OnListMessagesCompleted	Raises the ListMessagesCompleted event.
	OnMessageListProgress	Raises the MessageListProgress event.
	OnProgress	Raises the Progress event.
	OnReadResponseCompleted	Raises the ReadResponseCompleted event.
	OnSendCommandCompleted	Raises the SendCommandCompleted event.
	OnStateChanged	Raises the StateChanged event.
	OnUndeleteCompleted	Raises the UndeleteCompleted event.
	OnUpgradeConnectionCompleted	Raises the UpgradeConnectionCompleted event.

	Name	Description
	AuthenticateCompleted	Occurs when an asynchronous authentication operation completes.
	CertificateReceived	Occurs when a POP3 server's certificate was received and verified.
	CertificateRequired	Occurs when a client certificate is required by the POP3 server, or the one provided was not accepted.
	CommandResponse	Occurs when a command has been sent to or a response is received from the server.
	ConnectCompleted	Occurs when an asynchronous ConnectAsync operation completes.
	DeleteCompleted	Occurs when an asynchronous DeleteAsync operation completes.
	DisconnectCompleted	Occurs when an asynchronous DisconnectAsync operation completes.
	DownloadMailMessageCompleted	Occurs when an asynchronous DownloadMailMessageAsync operation completes.
	DownloadMessageCompleted	Occurs when an asynchronous DownloadMessageAsync operation completes.
	DownloadMessageHeadersCompleted	Occurs when an asynchronous DownloadMessageHeadersAsync operation completes.
	DownloadPop3MessageCompleted	Occurs when an asynchronous DownloadPop3MessageAsync operation completes.
	GetMailboxStatCompleted	Occurs when an asynchronous GetMailboxStatAsync operation completes.
	GetMessageInboxIndexCompleted	Occurs when an asynchronous GetMessageInboxIndexAsync operation completes.
	ListMessagesCompleted	Occurs when an asynchronous ListMessagesAsync operation completes.
	MessageListProgress	Occurs when message list is downloading.
	Progress	Occurs when data is send or received.
	ReadResponseCompleted	Occurs when an asynchronous ReadResponseAsync operation completes.
	SendCommandCompleted	Occurs when an asynchronous SendCommandAsync operation completes.
	StateChanged	Occurs when the state of the Pop3 object is changed.
	UndeleteCompleted	Occurs when an asynchronous UndeleteAsync operation completes.
	UpgradeConnectionCompleted	Occurs when an asynchronous UpgradeConnectionAsync operation completes.

Pop3 Class Members

Public Constructors

Public Properties

Public Fields

Public Methods

Protected Methods

Public Events

See Also

Reference