True file type or True file class. Then click on the classes or classes and
types that you want to match. Press and hold Ctrl while clicking to select
more than one file class or file type.
■
Click the second radio button to match files based on their file names,
extensions, or MIME types. Choose File name, Extension, or MIME-type.
Then choose is, contains, begins with, or
ends with
. Then type the text
to match or not match.
Type only one filename, extension, or MIME type in the box.
Table 4-13
includes information about valid extension, file name, and
MIME-type attachment types.
Type the MIME type completely, such as image or image/gif, not ima.
5
Click Add to add the condition you created to the list of conditions at the
bottom of the page.
6
Repeat steps 4 and 5 to add more conditions as desired.
If needed, you can click on a condition in the list and click Delete to delete
that condition.
7
Click Save.
Configuring dictionaries
A dictionary is a list of keywords, keyphrases, or both that emails are checked
against. Symantec Mail Security evaluates matches to a dictionary using substring
text analysis, not regular expression analysis.
Symantec Mail Security includes the following predefined dictionaries, which can
be edited. The dictionaries marked as ambiguous contain terms that could be
legitimate when used in certain contexts.
■
Profanity
■
Profanity, Ambiguous
■
Racial
■
Racial, Ambiguous
■
Sexual
■
Sexual, Ambiguous
■
Sexual, Slang
Note the following additional information about dictionaries:
■
Tests against dictionaries only match the exact word listed, not other common
endings, such as verb tenses.
Configuring email filtering
Managing policy resources
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Содержание 10744983 - Mail Security 8320
Страница 1: ...Symantec Mail Security Administration Guide...
Страница 8: ......
Страница 14: ...Glossary Index Contents 14...
Страница 22: ...About Symantec Mail Security Where to get more information 22...
Страница 68: ...Configuring email settings Configuring scanning settings 68...
Страница 130: ...Configuring email filtering Managing policy resources 130...
Страница 156: ...Working with Spam Quarantine Configuring Spam Quarantine 156...
Страница 164: ...Working with Suspect Virus Quarantine Configuring Suspect Virus Quarantine 164...
Страница 176: ...Configuring alerts and logs About logs 176...
Страница 220: ...Administering the system Periodic system maintenance 220...