SonicWALL 4.5 ユーザーズマニュアル
138
Enforced Client Product Guide
Using the Email Security Service
Setting up your account
7
4 Do you want to manage all users’ quarantined messages in one central quarantine,
rather than separate user quarantines?
Initially, each user’s detected spam is quarantined in an individual user quarantine, where
you can go to manage that user’s spam. If you prefer to manage all your organization’s spam
from one location, you can divert all spam to a central quarantine by changing your spam
disposition.
you can go to manage that user’s spam. If you prefer to manage all your organization’s spam
from one location, you can divert all spam to a central quarantine by changing your spam
disposition.
5 Do you want to allow attachments larger than 200 MB, or block attachments smaller
than that?
By default, the protection service blocks all messages containing attachments that are larger
than 200 MB. These messages are not delivered to users and cannot be retrieved. You can
change this size limit using
than 200 MB. These messages are not delivered to users and cannot be retrieved. You can
change this size limit using
Attachment Manager
on the
Applications
tab.
6 Do you want to prohibit or approve messages based on the file type of any attachment?
On the
Applications
tab, enable
Attachment Manager
and configure a custom filter or one of
the file type filters. For example, you might want to block potentially dangerous executable
attachments, such as .
attachments, such as .
EXE
files, but specifically allow certain image file types.
7 Do you want to prohibit or approve messages based on text in the message?
On the
Applications
tab, create
Content Manager
filters. For example, you might want to allow
all messages containing the text “résumé” to make sure that no incoming resumes are
accidentally filtered as spam.
accidentally filtered as spam.
8 Do you want to adjust sensitivity for blocking specific types of server attacks?
Connection Manager automatically detects attacks against your email server, including
directory harvest attacks, virus outbreaks, and spam attacks. You can optionally detect email
bombs and change the sensitivity of blocking for individual types of attacks.
directory harvest attacks, virus outbreaks, and spam attacks. You can optionally detect email
bombs and change the sensitivity of blocking for individual types of attacks.
Configure general administration settings
Manage general system administration of the email security service on the
Administration
page.
To configure administrative settings:
1 On the SecurityCenter website, click the
1 On the SecurityCenter website, click the
SecurityCenter
tab.
2 Under
Your email protection
, select
Click here to configure
.
3 On the portal, click the
Administration
tab.
Figure 7-2 Administration page