Cisco Cisco Email Security Appliance C370D ユーザーガイド
Chapter 4 Quarantines
Working with Safelists and Blocklists
4-150
Cisco IronPort AsyncOS 7.1 for Email Daily Management Guide
OL-22160-02
End users cannot add a sender or domain to both safe and block lists at the same
time. However, if the end user adds a domain to a safelist, and the email address
for a user of that domain to the blocklist (or vice versa), the IronPort appliance
applies both rules. For example, if the end user adds example.com to the safelist,
and adds george@example.com to the blocklist, the IronPort appliance delivers all
mail from example.com without scanning for spam, but will treat mail from
george@example.com as spam.
time. However, if the end user adds a domain to a safelist, and the email address
for a user of that domain to the blocklist (or vice versa), the IronPort appliance
applies both rules. For example, if the end user adds example.com to the safelist,
and adds george@example.com to the blocklist, the IronPort appliance delivers all
mail from example.com without scanning for spam, but will treat mail from
george@example.com as spam.
End users cannot allow or block a range of sub-domains using the following
syntax: .domain.com. However, an end user can explicitly block a specific domain
using the following syntax: server.domain.com.
syntax: .domain.com. However, an end user can explicitly block a specific domain
using the following syntax: server.domain.com.
Adding Entries to Safelists
End users can add senders to safelists in two ways:
Method 1
Step 1
From the IronPort Spam Quarantine, select the Options drop-down menu.