Exam 19: Electronic Mail Security

________ is the standardized way for a sending domain to identify and assert the mail senders for a given domain.

the __________ operates on behalf of user actors and user applications and is their representative with the email service.

the _________ accepts the message submitted by a Message User Agent and enforces the policies of the hosting domain and the requirements of Internet standards.

S/MIME provides e-mail compatibility using the __________ encoding scheme.

Integrity-related email security threats could result in unauthorized disclosure of sensitive information.

DANE defines a new DNS record type, __________ , that can be used for a secure method of authenticating SSL/tLS certificates.

the MIME-Version field must have the parameter value 1.0 in order for the message to conform to RFCs 2045 and 2046.

A Message Store cannot be located on the same machine as a MU A.

__________ is a specification for cryptographically signing e-mail messages, permitting a signing domain to claim responsibility for a message in the mail stream; message recipients can verify the signature by querying the signer's domain directly to retrieve the appropriate public key and thereby confirming that the message was attested to by a party in possession of the private key for the signing domain.

the _________ type refers to other kinds of data, typically either uninterpreted binary data or information to be processed by a mail-based application.

For the text type of body no special software is required to get the full meaning of the text aside from support of the indicated character set.

__________ is a security enhancement to the MIME Internet email format standard based on technology from RSA Data Security.

the ________ MIME field is a text description of the object with the body; this is useful when the object is not readable (e.g.audio data).

A Message transfer Agent is like a packet switch or IP router in that its job is to make routing assessments and to move the message closer to recipients.

the _________ transfer encoding, also known as radix-64 encoding, is a common one for encoding arbitrary binary data in such a way as to be invulnerable to the processing by mail-transport programs.

S/MIME uses the following message content types: Data, SignedData, EnvelopedData, and ___________ .

S/MIME provides for four message-related services: authentication, _________ , compression, and email compatibility.

__________ is a security enhancement to the MIME Internet e-mail format standard based on technology from RSA Data Security.

there are ______ types of protocols used for transferring email.

the _________ transfer encoding is useful when the data consists largely of octets that correspond to printable ASCII characters.