SmtpResponse members

The SmtpResponse structure provides properties and methods for responding to Simple Mail Transfer Protocol (SMTP) requests.

The SmtpResponse type exposes the following members.

Constructors

	Name	Description
	SmtpResponse(String, String, [])	The SmtpResponse constructor initializes a new instance of the SmtpResponse structure.
	SmtpResponse(String, String, String, Boolean, [])	Initializes a new instance of the SmtpResponse structure with a status code and enhanced status code for the response and a delivery status notification (DSN) explanation that contains additional Unicode information associated with a DSN.

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Properties

	Name	Description
	DsnExplanation	Gets additional information associated with a non-SMTP delivery status notification (DSN) that may contain Unicode characters.
	EnhancedStatusCode	The EnhancedStatusCode property gets the enhanced status code for the response.
	IsEmpty
	SmtpResponseType	The SmtpResponseType property gets a value that indicates the classification of the Simple Mail Transfer Protocol (SMTP) response.
	StatusCode	The StatusCode property gets the status code for the response.
	StatusText	The StatusText property gets a string collection that contains the section of each line of the response that comes after the status code and enhanced status code.

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Methods

	Name	Description
	ConnectionDroppedDueTo	Specifies a reason why the connection was dropped.
	Equals(Object)	The Equals method compares the current instance of the SmtpResponse structure to the object specified by the comparand parameter. (Overrides ValueType.Equals(Object).)
	Equals(SmtpResponse)	The Equals method compares the current instance of the SmtpResponse structure to the SmtpResponse structure specified by the comparand parameter.
	Equals(SmtpResponse, SmtpResponseCompareOptions)
	GetHashCode	The GetHashCode method gets the hash code for the message. (Overrides ValueType.GetHashCode().)
	QueuedMailForDelivery(String)	The QueuedMailForDelivery field returns an instance of the SmtpResponse structure that represents a 250 2.6.0 response that indicates that the mail is queued for delivery.
	QueuedMailForDelivery(String, String, String, String)
	QueuedMailForRedundancy(String)	Returns an SMTP response for a message with the associated message ID that is queued on redundant servers.
	QueuedMailForRedundancy(String, String, String)
	ToString	The ToString method converts the current instance of the SmtpResponse structure to a Unicode string. (Overrides ValueType.ToString().)
	TryParse	The TryParse method gets a value that indicates whether the string specified by the text parameter contains a valid Simple Mail Transfer Protocol (SMTP) response.

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Operators

	Name	Description
	Equality
	Inequality

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Fields

	Name	Description
	AnonymousSendAsDenied	The AnonymousSendAsDenied field gets an instance of the SmtpResponse structure that represents a 550 5.7.1 Anonymous client does not have permission to send as this sender response.
	BadCommandSequence	The BadCommandSequence field gets an instance of the SmtpResponse structure that represents a 503 5.5.1 Bad sequence of commands response.
	ConnectionDroppedByAgentError	The ConnectionDroppedByAgentError field gets an instance of the SmtpResponse structure that represents a 421 4.3.2 System not accepting network messages response.
	ConnectionTimedOut	The ConnectionTimedOut field gets an instance of the SmtpResponse structure that represents a 421 4.4.1 Connection timed out response.
	CTSParseError
	DataTransactionFailed	The DataTransactionFailed field gets an instance of the SmtpResponse structure that represents a 451 4.3.2 System not accepting network messages response.
	Empty	The Empty field gets an instance of the SmtpResponse structure that represents an empty, invalid response.
	EnvelopeFilterNotReady
	IncorrectTlsAuthLevel	Contains a value indicating that the TlsAuthLevel enumeration value is set to something other than DomainValidation.
	InsufficientResource	The InsufficientResource field gets an instance of the SmtpResponse structure that represents a 452 4.3.1 Insufficient system resources response.
	InvalidAddress	The InvalidAddress field gets an instance of the SmtpResponse structure that represents a 501 5.1.3 Invalid address (recipient) response.
	InvalidArguments	The InvalidArguments field gets an instance of the SmtpResponse structure that represents a 501 5.5.4 Invalid arguments response.
	InvalidContent	The InvalidContent field gets an instance of the SmtpResponse structure that represents a 554 5.6.0 Invalid Content response.
	InvalidContentBareLinefeeds	Contains a value indicating that the SMTP request is invalid because it contains bare linefeeds.
	InvalidRecipientAddress	The InvalidRecipientAddress field gets an instance of the SmtpResponse structure that represents a 554 5.4.4 Unable to route due to invalid recipient address response.
	InvalidResponse	The InvalidResponse field gets an instance of the SmtpResponse structure that represents a 421 4.4.0 Remote server response was not RFC conformant response.
	InvalidSenderAddress	The InvalidSenderAddress field gets an instance of the SmtpResponse structure that represents a 501 5.1.7 Invalid Address (Sender) response.
	MailFromOk	The MailFromOk field gets an instance of the SmtpResponse structure that represents a 250 2.1.0 Sender OK response.
	MessagePartialNotSupported	The MessagePartialNotSupported field gets and instance of the SmtpResponse structure that represents a 554 5.6.1 Messages of type message/partial are not supported response.
	MessageTooLarge	The MessageTooLarge field gets an instance of the SmtpResponse structure that represents a 552 5.3.4 Message size exceeds fixed maximum message size response.
	NoopOk	The NoopOk field gets an instance of the SmtpResponse structure that represents a 250 2.0.0 OK response.
	OrgQueueQuotaExceeded	Contains a value indicating that the organization queue quota has been exceeded.
	RcptNotFound	The RcptNotFound field gets an instance of the SmtpResponse structure that represents a 550 5.1.1 User unknown response.
	RcptToOk	The RcptToOk field gets an instance of the SmtpResponse structure that represents a 250 2.1.5 Recipient OK response.
	RecipientAddressExpanded	The RecipientAddressExpanded field gets an instance of the SmtpResponse structure that represents a 250 2.1.5 Recipient Address was Expanded response.
	RecipientAddressExpandedByRedirectionAgent	Contains a value indicating that the recipient address was expanded by the redirection agent.
	SendAsDenied	The SendAsDenied field gets an instance of the SmtpResponse structure that represents a 550 5.7.1 Client does not have permission to send as this sender (Sender) response.
	SendOnBehalfOfDenied	The SendOnBehalfOfDenied field gets an instance of the SmtpResponse structure that represents a 550 5.7.1 Client does not have permission to send on behalf of the from address (Sender) response.
	ServiceInactive	Contains a value that indicates whether the service is inactive.
	ServiceUnavailable	The ServiceUnavailable field gets an instance of the SmtpResponse structure that represents a 421 Service not available, closing transmission channel response.
	SpamFilterNotReady	Contains a value that indicates whether there was a temporary error initializing data and that the system is not accepting network messages.
	SubmitDenied	The SubmitDenied field gets an instance of the SmtpResponse structure that represents a 550 5.7.1 Client does not have permission to submit to this server (Sender) response.
	SuccessfulConnection	The SuccessfulConnection field gets an instance of the SmtpResponse structure that represents a 250 Success response.
	SystemMisconfiguration	The SystemMisconfiguration field gets an instance of the SmtpResponse structure that represents a 550 5.3.5 System incorrectly configured response.
	TimeoutOccurred	The TimeoutOccurred field gets an instance of the SmtpResponse structure that represents a 451 Timeout waiting for client input response.
	TlsDomainRequired	Contains a value indicating that the IncorrectTlsAuthLevel field cannot be set to DomainValidation without a valid Transport Layer Security (TLS) domain.
	TransientInvalidArguments	Contains a value indicating that there were invalid arguments and a possible version mismatch.
	UnableToRoute	The UnableToRoute field gets an instance of the SmtpResponse structure that represents a 554 5.4.4 Unable to route response.
	UnrecognizedCommand	The UnrecognizedCommand field gets an instance of the SmtpResponse structure that represents a 500 5.3.3 Unrecognized command response.
	UnrecognizedParameter	The UnrecognizedParameter field gets an instance of the SmtpResponse structure that represents a 501 5.5.4 Unrecognized parameter response.
	UnsupportedCommand	The UnsupportedCommand field gets an instance of the SmtpResponse structure that represents a 550 5.7.1 Command not allowed response.

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See also

Reference

SmtpResponse structure

Microsoft.Exchange.Data.Transport.Smtp namespace