The Smtp type exposes the following members.
Constructors
| Name | Description | |
|---|---|---|
  | Smtp |
Initializes a new instance of the Smtp class.
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Methods
| Name | Description | |
|---|---|---|
| Abort |
Aborts the current operation.
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| BeginConnect(String, AsyncCallback, Object) |
Begins asynchronous Connect operation.
Connects to the SMTP server.
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| BeginConnect(String, SslMode, AsyncCallback, Object) |
Begins asynchronous Connect operation.
Connects to the SMTP server with the specified security. Uses port 25 for no SSL, 587 for explicit SSL and 465 for implicit SSL.
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| BeginConnect(String, Int32, AsyncCallback, Object) |
Begins asynchronous Connect operation.
Connects to the SMTP server.
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| BeginConnect(String, Int32, SslMode, AsyncCallback, Object) |
Begins asynchronous Connect operation.
Connects to the SMTP server with the specified security.
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| BeginConnect(String, Int32, TlsParameters, SmtpSecurity, AsyncCallback, Object) | Obsolete. |
| BeginDisconnect |
Begins asynchronous Disconnect operation.
Informs the server that the connection is about to close and
terminates the connection.
|
| BeginEnhancedTurn | Obsolete. |
| BeginKeepAlive |
Begins asynchronous KeepAlive operation.
Sends the NOOP command to the server to keep the connection alive.
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| BeginLogin(GssApiProvider, AsyncCallback, Object) |
Begins asynchronous Login operation.
Authenticates the user to the SMTP server using the specified GSSAPI provider.
Only supported on Windows and partially on Mono.
|
| BeginLogin(SmtpAuthentication, AsyncCallback, Object) |
Begins asynchronous Login operation.
Authenticates the user to the SMTP server using the specified authentication method that does not require credentials (NTLM or GSSAPI).
Only supported on Windows.
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| BeginLogin(String, SmtpAuthentication, AsyncCallback, Object) |
Begins asynchronous Login operation.
Authenticates the user to the SMTP server using an OAuth token.
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| BeginLogin(String, String, AsyncCallback, Object) |
Begins asynchronous Login operation.
Authenticates the user to the SMTP server.
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| BeginLogin(String, String, SmtpAuthentication, AsyncCallback, Object) |
Begins asynchronous Login operation.
Authenticates the user to the SMTP server using the specified authentication method.
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| BeginReadResponse |
Begins asynchronous ReadResponse operation.
Returns the response of the SMTP server to the command.
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| BeginSecure(AsyncCallback, Object) |
Begins asynchronous Secure operation.
Secures the connection with TLS/SSL using default parameters.
|
| BeginSecure(TlsParameters, AsyncCallback, Object) | Obsolete. |
| BeginSend(Stream, AsyncCallback, Object) |
Begins asynchronous Send operation.
Reads and sends a mail message from the specified stream in MIME format.
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| BeginSend(String, AsyncCallback, Object) |
Begins asynchronous Send operation.
Reads and sends a mail message from the specified local file in MIME format.
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| BeginSend(MailMessage, AsyncCallback, Object) |
Begins asynchronous Send operation.
Sends a mail message (MailMessage).
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| BeginSend(MimeMessage, AsyncCallback, Object) |
Begins asynchronous Send operation.
Sends a mail message (MimeMessage).
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| BeginSend(Stream, String, String, AsyncCallback, Object) |
Begins asynchronous Send operation.
Reads and sends a mail message from the specified stream in MIME format.
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| BeginSend(String, String, String, AsyncCallback, Object) |
Begins asynchronous Send operation.
Reads and sends a mail message from the specified local file in MIME format.
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| BeginSend(MailMessage, String, String, AsyncCallback, Object) |
Begins asynchronous Send operation.
Sends a mail message (MailMessage).
|
| BeginSend(MimeMessage, String, String, AsyncCallback, Object) |
Begins asynchronous Send operation.
Sends a mail message (MimeMessage).
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| BeginSend(String, String, String, String, AsyncCallback, Object) |
Begins asynchronous Send operation.
Sends a mail message constructed from the specified parameters.
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| BeginSendCommand |
Begins asynchronous SendCommand operation.
Executes a command on the SMTP server.
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| BeginVerify | Obsolete. |
| Connect(String) |
Connects to the SMTP server.
|
| Connect(String, SslMode) |
Connects to the SMTP server with the specified security. Uses port 25 for no SSL, 587 for explicit SSL and 465 for implicit SSL.
|
| Connect(String, Int32) |
Connects to the SMTP server.
|
| Connect(String, Int32, SslMode) |
Connects to the SMTP server with the specified security.
|
| Connect(String, Int32, TlsParameters, SmtpSecurity) | Obsolete. |
| Disconnect |
Informs the server that the connection is about to close and
terminates the connection.
|
| Dispose()()()() |
Disposes the Smtp object and all the socket objects.
|
 | Dispose(Boolean) |
Releases the unmanaged resources used by the Smtp
and optionally releases the managed resources.
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| EndConnect |
Ends an asynchronous BeginConnect operation.
|
| EndDisconnect |
Ends an asynchronous BeginDisconnect operation.
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| EndEnhancedTurn | Obsolete. |
| EndKeepAlive |
Ends an asynchronous BeginKeepAlive operation.
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| EndLogin |
Ends an asynchronous BeginLogin operation.
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| EndReadResponse |
Ends an asynchronous BeginReadResponse operation.
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| EndSecure |
Ends an asynchronous BeginSecure operation.
|
| EndSend |
Ends an asynchronous BeginSend operation.
|
| EndSendCommand |
Ends an asynchronous BeginSendCommand operation.
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| EndVerify | Obsolete. |
| EnhancedTurn | Obsolete. |
| Equals | Determines whether the specified Object is equal to the current Object. (Inherited from Object.) |
| Finalize |
Finalizer. Called by garbage collector during object destruction.
(Overrides Object..::..Finalize()()()().) |
| GetConnectionState |
Checks whether the SMTP session is still connected and returns its state.
|
| GetHashCode | Serves as a hash function for a particular type. GetHashCode()()()() is suitable for use in hashing algorithms and data structures like a hash table. (Inherited from Object.) |
| GetSupportedAuthenticationMethods |
Gets the list of supported authentication methods.
|
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| CheckConnectionState |
Checks whether the SMTP session is still connected. Throws an exception on error.
|
| KeepAlive |
Sends the NOOP command to the server to keep the connection alive.
|
| Login(GssApiProvider) |
Authenticates the user to the SMTP server using the specified GSSAPI provider.
Only supported on Windows and partially on Mono.
|
| Login(SmtpAuthentication) |
Authenticates the user to the SMTP server using the specified authentication method that does not require credentials (NTLM or GSSAPI).
Only supported on Windows.
|
| Login(String, SmtpAuthentication) |
Authenticates the user to the SMTP server using an OAuth token.
|
| Login(String, String) |
Authenticates the user to the SMTP server.
|
| Login(String, String, SmtpAuthentication) |
Authenticates the user to the SMTP server using the specified authentication method.
|
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
| OnCommandSent |
Raises the CommandSent event.
|
| OnResponseRead |
Raises the ResponseRead event.
|
| OnStateChanged |
Raises the StateChanged event.
|
| OnTlsDebug | Obsolete. |
| OnTransferProgress |
Raises the TransferProgress event.
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| ReadResponse |
Returns the response of the SMTP server to the command.
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 | ResolveDomainMX(String) |
Retrieves the list of domain's MX records from DNS and returns the list
of hosts that accept its email (in order of preference).
|
| ResolveDomainMX(String, Int32) |
Retrieves the list of domain's MX records from DNS and returns the list
of hosts that accept its email (in order of preference).
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| Secure()()()() |
Secures the connection with TLS/SSL using default parameters.
|
| Secure(TlsParameters) | Obsolete. |
| Send(Stream) |
Reads and sends a mail message from the specified stream in MIME format.
|
| Send(String) |
Reads and sends a mail message from the specified local file in MIME format.
|
| Send(MailMessage) |
Sends a mail message (MailMessage).
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| Send(MimeMessage) |
Sends a mail message (MimeMessage).
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| Send(String, SmtpConfiguration) |
Reads a mail message from the specified local file in MIME format
and sends it using the specified SMTP server.
|
| Send(String, String) |
Reads a mail message from the specified local file in MIME format
and sends it using the specified SMTP server.
|
| Send(MailMessage, SmtpConfiguration) |
Sends the message using the specified SMTP server.
|
| Send(MailMessage, String) |
Sends the message using the specified SMTP server.
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| Send(MimeMessage, SmtpConfiguration) |
Sends the message using the specified SMTP server.
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| Send(MimeMessage, String) |
Sends the message using the specified SMTP server.
|
| Send(Stream, String, String) |
Reads and sends a mail message from the specified stream in MIME format.
|
| Send(String, String, Int32) |
Reads a mail message from the specified local file in MIME format
and sends it using the specified SMTP server.
|
| Send(String, String, String) |
Reads and sends a mail message from the specified local file in MIME format.
|
| Send(MailMessage, String, Int32) |
Sends the message using the specified SMTP server.
|
| Send(MailMessage, String, String) |
Sends a mail message (MailMessage).
|
| Send(MimeMessage, String, Int32) |
Sends the message using the specified SMTP server.
|
| Send(MimeMessage, String, String) |
Sends a mail message (MimeMessage).
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| Send(String, String, String, String) |
Sends a mail message constructed from the specified parameters.
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| Send(String, String, String, String, SmtpConfiguration) |
Sends a mail message constructed from the specified parameters using the specified SMTP server.
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| Send(String, String, String, String, String) |
Sends a mail message constructed from the specified parameters using the specified SMTP server.
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| Send(String, String, String, String, String, Int32) |
Sends a mail message constructed from the specified parameters using the specified SMTP server.
|
| SendCommand |
Executes a command on the SMTP server.
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| SendDirect(MailMessage) |
Sends the message by submitting the message directly to the recipients' SMTP servers.
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| SendDirect(MimeMessage) |
Sends the message by submitting the message directly to the recipients' SMTP servers.
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| SendDirect(String, String, String, String) |
Sends a mail message constructed from the specified parameters
by submitting it directly to the recipients' SMTP servers.
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| SetSocketFactory |
Sets the socket factory to be used to create communication sockets.
|
| ToString |
Returns a string representation of this object.
(Overrides Object..::..ToString()()()().) |
| Verify | Obsolete. |
Fields
| Name | Description | |
|---|---|---|
 | AlternativeExplicitSslPort |
Alternative SMTP/Explicit SSL port (587).
|
| DefaultImplicitSslPort |
Default SMTP/Implicit SSL port (465).
|
| DefaultPort |
Default SMTP port (25).
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Properties
| Name | Description | |
|---|---|---|
 | AbortTimeout |
Gets or sets the length of time before the abort operation times out.
|
| ClientDomain |
Gets or sets the domain announced by the client.
|
| DeliveryStatusNotificationConditions |
Gets or sets the bit field specifying the conditions under which the SMTP server should generate
and send a delivery status notification (DSN) messages.
|
| DeliveryStatusNotificationOriginalMessageMethod |
Gets or sets the value indicating to the SMTP server whether it should attach
the entire original message or headers only.
|
| EnabledExtensions |
Gets or sets the bit field specifying the enabled extensions.
|
| Encoding |
Gets or sets the Encoding to use to encode and decode command parameters and server responses.
|
 | InstanceId |
Gets instance ID (intended for logging purposes).
(Inherited from NetworkSession.) |
| IsAuthenticated |
Returns a value indicating whether the session is authenticated.
(Overrides NetworkSession..::..IsAuthenticated.) |
| IsBusy |
Gets a value indicating whether there any operation (method) in progress.
|
| IsConnected |
Gets a value indicating whether the session is connected.
(Overrides NetworkSession..::..IsConnected.) |
| IsSecured |
Gets the value indicating whether the control connection is secured.
|
| LocalEndPoint |
Gets the local client EndPoint.
|
| LogWriter |
Gets or sets the LogWriter used by this object.
(Inherited from NetworkSession.) |
| MaxMailSize |
Gets the maximum mail message size announced by the server.
|
| Options | Obsolete. |
| Proxy |
Gets or sets the network proxy to use to access a remote server.
|
| RemoteEndPoint |
Gets the remote server EndPoint.
|
| ServerDomain |
Gets the domain announced by the server.
|
| ServerName |
Gets the server name, if available.
(Inherited from NetworkSession.) |
| ServerPort |
Gets the server port, if available.
(Inherited from NetworkSession.) |
| Settings |
Gets or sets Smtp object settings.
|
| State |
Gets the current state of the Smtp object.
|
| SupportedExtensions |
Gets the bit field specifying the extensions supported by the server.
|
| Timeout |
Gets or sets the length of time in milliseconds before the operation times out (specify -1 or 0 to indicate that the request does not time out).
|
| TlsDebugLevel | Obsolete. |
| TlsSocket |
Returns the TLS/SSL socket of secured control connection.
|
| UserName |
Gets the authenticated user name, if available.
(Inherited from NetworkSession.) |
| Version |
Returns the version of the SMTP component.
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Events
| Name | Description | |
|---|---|---|
 | CommandSent |
Occurs when a command is send to the server.
|
| RejectedRecipient |
Occurs when a recipient is rejected by the server.
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| ResponseRead |
Occurs when a response is received from the server.
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| SendingMessage |
Occurs when a message is sent.
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| StateChanged |
Occurs when the state of the Smtp object is changed.
|
| TlsDebug | Obsolete. |
| TransferProgress |
Occurs when data is send or received.
|
| ValidatingCertificate |
Occurs when a server certificate needs to be validated.
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See Also
