Property 

Description 

AttachmentEncoding 

Identifies the default encoding mechanism used for message parts. 

AttachmentTempDirectory 

Path to use when creating or accessing the temporary files for file-based attachments in the message. 

BccList 

Indicates blind carbon copy recipients for the message. 

Body 

Represents the body of the message. 

CCList 

Carbon copy recipients for the message. 

CharSet 

Indicates the character set used for the message. 

ContentDisposition 

Indicates presentation and storage parameters for the message. 

ContentTransferEncoding 

Specifies the MIME encoding for the message during message transmission. 

ContentType 

Identifies the MIME media type for the message. 

ConvertPreamble 

Indicates if a misplaced message body is converted prior to transmission. 

Date 

The date a message was sent. 

Encoding 

Identifies the encoding algorithm for message attachments. 

ExceptionOnBlockedAttachments 

Indicates if an exception occurs when a file-based attachment cannot be created in MessageParts. 

ExtraHeaders 

Additional headers for the message. 

Flags 

Represents mailbox message flags for the message. 

From 

Identifies the original author of the message. 

FromList 

List of original authors for the message. 

Headers 

Header values for the message. 

InReplyTo 

Original message identifier for a response message. 

IsEncoded 

Indicates when the message body is MIME-encoded. 

IsMsgSinglePartMime 

Indicates if a single message part exists for a MIME-encoded message. 

LastGeneratedHeaders 

Provides access to headers used during transmission of the mail message. 

MessageParts 

List of message parts for the message. 

MIMEBoundary 

Represents MIME boundary markers for the message. 

MsgId 

Message identifier assigned to the message. 

NewsGroups 

Identifies newsgroup to receive the message. 

NoDecode 

Requests a message in raw form. 

NoEncode 

Indicates if encoding can be omitted for Headers and Body prior to message transmission. 

Organization 

Identifies the organizational affiliation for the message author. 

Priority 

Identifies the message priority. 

ReceiptRecipient 

Return receipt email address. 

Recipients 

Identifies the recipients of a message. 

References 

Identifies the reply-to messages. 

ReplyTo 

Identifies the delivery address for message replies. 

Sender 

Identifies the sender of the message. 

Subject 

Identifies the subject for the message. 

UID 

Unique Identifier for a message. 

UseNowForDate 

Indicates that the message uses the current date and time when sent.