Serial number

Encoding format

Description

File type

Symantec Scan Engine support

1

MIME

Multipurpose Internet Mail Extensions (MIME) is an Internet standard that extends the format of email to support the following:

·         Text in character sets other than ASCII

·         Non-text attachments

·         Message bodies with multiple parts

·         Header information in non-ASCII character sets

 

Base64 is one of the supported mime encoding methods

mime

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2

UUENCODE

UUENCODE is a set of algorithms to convert files into a series of 7-bit ASCII characters that can be transmitted over the Internet. Originally, UUENCODE stood for UNIX-to-UNIX encode, but it has since become a universal protocol to transfer files between different platforms such as UNIX, Windows, and Macintosh. UUENCODING is popular for sending email attachments. Nearly all email applications support UUENCODING for sending attachments and UUDECODING for receiving attachments.

uue

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3

MS-TNEF

The Microsoft email clients, Microsoft Exchange and Microsoft Outlook use Microsoft Transport Neutral Encapsulation Format (MS-TNEF) to send email messages in Rich Text Format (RTF). By default, Microsoft Exchange and Microsoft Outlook send email messages assuming that messages will be received by other Microsoft email clients. While sending the messages, Microsoft email clients extract the formatting out of the original document and encode it into a TNEF block. The message is then sent in two parts. The first part is the text and the other part is the formatting.

If a Microsoft email client receives the message, it reassembles the two parts into a complete RTF document. However, if the message is received by a non-Microsoft email client, the formatting usually appears as an attached file named something like application/ms-tnef. In a non-Microsoft email client, the message text appears normal. But the extra formatting added by Microsoft Outlook or Microsoft Exchange is lost and the attachment is of no use.

 

dat, tnef

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4

BINHEX

BinHex is a popular way to encode Macintosh files for archiving on non-Macintosh file systems and for transmission by Internet mail.

BinHex converts binary data into ASCII characters. Any type of file like graphics, text, or binary executable file can be converted to BinHex. This format is useful to transfer files from one platform to another platform because nearly all computers can handle ASCII files. In fact, many email programs include a BinHex encoder and decoder to send and receive attachments. BinHex is a common format for Macintosh files.

 

hqx

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