ZyXEL Communications ZYWALL USG 20 Manual page 205

Table 42 Monitor > Anti-X Statistics > Anti-Spam (continued)
LABEL
Spam Mails
Spam Mails
Detected by
Black List
Spam Mails
Detected by
DNSBL
DSNBL
Timeout
Mail Sessions
Forwarded
Mail Sessions
Dropped
Top Sender By Use this field to list the top e-mail or IP addresses from which the ZyWALL
#
Sender IP
Sender Mail
Address
Occurrence
ZyWALL USG 20/20W User's Guide
DESCRIPTION
This is the number of e-mails that the ZyWALL has determined to be
spam.
This is the number of e-mails that matched an entry in the ZyWALL's anti-
spam black list.
The ZyWALL can check the sender and relay IP addresses in an e-mail's
header against DNS (Domain Name Service)-based spam Black Lists
(DNSBLs). This is the number of e-mails that had a sender or relay IP
address in the header which matched one of the DNSBLs that the ZyWALL
uses.
This is how many queries that were sent to the ZyWALL's configured list
of DNSBL domains and did not receive a response in time.
This is how many e-mail sessions the ZyWALL allowed because they
exceeded the maximum number of e-mail sessions that the anti-spam
feature can check at a time.
You can see the ZyWALL's threshold of concurrent e-mail sessions in the
Anti-Spam > Status screen.
Use the Anti-Spam > General screen to set whether the ZyWALL
forwards or drops sessions that exceed this threshold.
This is how many e-mail sessions the ZyWALL dropped because they
exceeded the maximum number of e-mail sessions that the anti-spam
feature can check at a time.
You can see the ZyWALL's threshold of concurrent e-mail sessions in the
Anti-Spam > Status screen.
Use the Anti-Spam > General screen to set whether the ZyWALL
forwards or drops sessions that exceed this threshold.
has detected the most spam.
Select Sender IP to list the source IP addresses from which the ZyWALL
has detected the most spam.
Select Sender Email Address to list the top e-mail addresses from
which the ZyWALL has detected the most spam.
This field displays the entry's rank in the list of the top entries.
This column displays when you display the entries by Sender IP. It shows
the source IP address of spam e-mails that the ZyWALL has detected.
This column displays when you display the entries by Sender Mail
Address. This column displays the e-mail addresses from which the
ZyWALL has detected the most spam.
This field displays how many spam e-mails the ZyWALL detected from the
sender.
Chapter 9 Monitor
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