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IP*Works! OpenPGP V9
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PFileMailer Component

Properties   Methods   Events   Configuration Settings   Errors  

The PFileMailer component is used to send encrypted and/or signed plaintext-formatted emails, with any attachments, using OpenPGP.

Syntax

nsoftware.IPWorksOpenPGP.Pfilemailer

Remarks

The PFileMailer component offers an easy-to-use interface: you can send an OpenPGP signed and encrypted message using the PSMTP component by calling the Encrypt, Sign, and SignAndEncrypt methods. Additionally, it enables you to create messages bound for multiple recipients with different keys, simultaneously encrypt and compress with the most popular compression algorithms, and control other aspects such as the encrypting algorithm.

Construct the Message

To begin specify common email properties such as SendTo, Cc, BCc, Subject, and MessageText. Connection information is specified by setting MailServer and MailPort.

Sign

To sign a message add the sender's private key to Keys. For instance:

pfilemailer.Keys.Add(new Key("c:\\my_keyring_dir", "sender@nsoftware.com"));
pfilemailer.Keys[0].Passphrase = "password";
The specified private key will be used to sign the message when Sign is called.

Encrypt

To encrypt a message add the recipient's public key to RecipientKeys. For instance:

pfilemailer.RecipientKeys.Add(new Key("c:\\my_keyring_dir", "recipient@nsoftware.com"));
The specified public key will be used to encrypt the message when Encrypt is called.

Sign and Encrypt

To sign and encrypt a message in one step call SignAndEncrypt. The message will be signed with the private keys specified in Keys and encrypted with the public keys specified in RecipientKeys.

Add Attachments

To add attachments simply call AddAttachment. The ProcessAttachments setting specifies whether attachments are also encrypted and signed.

Send

Call the Send method once the necessary properties have been set for each recipient.

Property List


The following is the full list of the properties of the component with short descriptions. Click on the links for further details.

AttachmentsThe paths of files to attach to the message.
AuthMechanismUsed when connecting to the mail server.
BCcA comma separated list of addresses for blind carbon copies (optional).
CcA comma separated list of addresses for carbon copies (optional).
CommandUsed to send additional commands directly to the server.
CompressionMethodThe compression algorithm used.
ConnectedShows whether the component is connected.
DeliveryNotificationToEmail address to send to which to send a delivery notification.
EncryptingAlgorithmThe encryption algorithm used when encrypting.
FirewallA set of properties related to firewall access.
FromThe email address of the sender (required).
IdleThe current status of the component.
ImportanceImportance of the mail message (optional).
KeysA collection of keys used for cryptographic operations.
LastReplyThe last reply from the server.
LocalHostThe name of the local host or user-assigned IP interface through which connections are initiated or accepted.
MailPortThe server port for SMTP (default 25).
MailServerThe name or address of a mail server (mail relay).
MessageDateDate of the mail message (optional).
MessageIdThe Message Identifier for the message.
MessageRecipientsThe collection of recipients of the message.
MessageTextThe full text of the message to send (without headers).
OtherHeadersAn RFC 822 compliant string consisting of extra headers.
PasswordA password for logon to the MailServer .
PriorityPriority of the mail message (optional).
ReadReceiptToEmail address to send a read receipt to.
RecipientKeysThe collection of keys belonging to the recipient of the message.
ReplyToA mail address to which to reply (optional).
SendToA comma separated list of addresses for destinations (required).
SensitivitySensitivity of the mail message (optional).
SigningAlgorithmThe signature hash algorithm used when signing.
SSLAcceptServerCertInstructs the component to unconditionally accept the server certificate that matches the supplied certificate.
SSLCertThe certificate to be used during SSL negotiation.
SSLServerCertThe server certificate for the last established connection.
SSLStartModeDetermines how the component starts the SSL negotiation.
SubjectThe subject of the mail message (optional).
TimeoutA timeout for the component.
UserA user identifier to login as in the MailServer .

Method List


The following is the full list of the methods of the component with short descriptions. Click on the links for further details.

AddAttachmentAdds FileName as an attachment.
ConfigSets or retrieves a configuration setting .
ConnectConnects to the mail relay and sends the SMTP HELO command.
DisconnectDisconnects from the SMTP server.
DoEventsProcesses events from the internal message queue.
EncryptEncrypts the message.
InterruptInterrupt the current method.
ProcessQueueSends the messages which have previously been queued into QueueDir .
QueueQueues the message into QueueDir .
ResetHeadersResets all the message headers to empty.
SendSends the current message and MIME encoded attachment.
SignSigns the message.
SignAndEncryptSigns and encrypts the current message.

Event List


The following is the full list of the events fired by the component with short descriptions. Click on the links for further details.

ConnectionStatusFired to indicate changes in connection state.
EndTransferFired when the message text completes transferring.
ErrorInformation about errors during data delivery.
KeyPassphraseFired if the passphrase of current key is incorrect or empty.
PITrailTraces the commands sent to the mail server, and the respective replies.
ProgressFired as progress is made.
SSLServerAuthenticationFired after the server presents its certificate to the client.
SSLStatusShows the progress of the secure connection.
StartTransferFired when the message text starts transferring.
StatusShows the progress of the operation.
TransferFired while the message text gets transferred to MailServer .

Configuration Settings


The following is a list of configuration settings for the component with short descriptions. Click on the links for further details.

CommentThe OpenPGP message comment.
ClearSignatureSpecifies whether or not to create a cleartext signature.
ProcessAttachmentsWhether or not to process attachments.
LogLevelSpecifies the level of detail that is logged.
AutoSelectDSASignatureHashAlgorithmWhether or not to select a suitable signature hash algorithm automatically.
CompressionLevelThe Zip or Zlib compression level.
SymmetricPassphraseThe password used for symmetric encryption or decryption.
VersionHeaderThe Version header value in the ASCII armored OpenPGP message.
CharsetWhen set, the charset Content-Type attribute will be added using the specified value.
IncludeCertWhether or not to include the signer's certificate with the signed message.
MessageTextEncodingWhen set, the MessageText value will be encoded using the specified encoding.
AttachmentEncoding[index]Content-Transfer-Encoding for attached file (at index).
AttachmentType[index]Content-type for attached file (at index).
AttachmentText[index]Add the text into the attachment at the specified index.
OverrideFilenameIf set to true, the AttachmentName property value will be used to set the MIME part Filename attribute.
TempFilePathIf set, the temporary files created during message creation will be put in the path specified.
UseTempFileIf set, the component uses temporary files when generating messages.
AllowEmptyToIf set to True, then the SendTo property is not required.
AuthorizationIdentityThe value to use as the authorization identity when SASL authentication is used.
CharsetWhen set, the message headers will be encoded using the specified Charset.
HelloThe argument for HELO (herald) command to the server (defaults to local host name).
KeepQueueIf set to True, queued files are not deleted after a successful send.
MaxHeaderLengthMaximum length for headers to avoid line folding (default 80).
OtherHeadersAn RFC 822 compliant string consisting of extra headers.
ReturnPathSets the Return-Path to be used for sending email.
SendRSETWhether to send RSET command.
StopOnToErrorsInstructs the component to stop sending the message if the server does not acknowledge any of the TOs.
StopOnCcErrorsInstructs the component to stop sending the message if the server does not acknowledge any of the CCs.
StopOnBccErrorsInstructs the component to stop sending the message if the server does not acknowledge any of the BCCs.
ConnectionTimeoutSets a separate timeout value for establishing a connection.
FirewallAutoDetectTells the component whether or not to automatically detect and use firewall system settings, if available.
FirewallHostName or IP address of firewall (optional).
FirewallPasswordPassword to be used if authentication is to be used when connecting through the firewall.
FirewallPortThe TCP port for the FirewallHost;.
FirewallTypeDetermines the type of firewall to connect through.
FirewallUserA user name if authentication is to be used connecting through a firewall.
KeepAliveTimeThe inactivity time in milliseconds before a TCP keep-alive packet is sent.
KeepAliveIntervalThe retry interval, in milliseconds, to be used when a TCP keep-alive packet is sent and no response is received.
LingerWhen set to True, connections are terminated gracefully.
LingerTimeTime in seconds to have the connection linger.
LocalHostThe name of the local host through which connections are initiated or accepted.
LocalPortThe TCP port in the local host where the component binds.
MaxLineLengthThe maximum amount of data to accumulate when no EOL is found.
MaxTransferRateThe transfer rate limit in bytes per second.
RecordLengthThe length of received data records.
TCPKeepAliveDetermines whether or not the keep alive socket option is enabled.
UseIPv6Whether to use IPv6.
TcpNoDelayWhether or not to delay when sending packets.
ReuseSSLSessionDetermines if the SSL session is reused.
SSLCipherStrengthThe minimum cipher strength used for bulk encryption.
SSLEnabledProtocolsUsed to enable/disable the supported security protocols.
SSLProviderThe name of the security provider to use.
SSLSecurityFlagsFlags that control certificate verification.
OpenSSLCADirThe path to a directory containing CA certificates.
OpenSSLCAFileName of the file containing the list of CA's trusted by your application.
OpenSSLCipherListA string that controls the ciphers to be used by SSL.
OpenSSLPrngSeedDataThe data to seed the pseudo random number generator (PRNG).
AbsoluteTimeoutDetermines whether timeouts are inactivity timeouts or absolute timeouts.
FirewallDataUsed to send extra data to the firewall.
InBufferSizeThe size in bytes of the incoming queue of the socket.
OutBufferSizeThe size in bytes of the outgoing queue of the socket.
CodePageThe system code page used for Unicode to Multibyte translations.

 
 
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