Pop3 - D-Link NetDefend DFL-210 User Manual

6.2.6. POP3

gw-world:/> dnsbl
DNSBL Contexts:
Name
------------------------
my_smtp_alg
alt_smtp_alg
The -show option provides a summary of the SPAM filtering operation of a specific ALG.
gw-world:/> dnsbl my_smtp_alg -show
DNSBL used by ALG my_smtp_alg
Drop Threshold
Spam Threshold
Append TXT records
IP Cache maximum size : 10
IP Cache current size : 5
IP Cache timeout
Configured BlackLists : 4
Disabled BlackLists
Current Sessions
Statistics:
Total number of mails checked : 34520
Number of mails dropped
Number of mails spam tagged
Number of mails accepted
BlackList
-------------------------------- -------- ------
server.spamcenter.org
node1.spamlister.org
To clean out the dnsbl cache for the my_smtp_alg and to reset all statistical counters for it, use the
command option:
gw-world:/> dnsbl my_smtp_alg -clean
6.2.6. POP3
POP3 is a mail transfer protocol that differs from SMTP in that the transfer of mail is directly from a
server to a user's client software.
POP3 ALG Options
Key features of the POP3 ALG are:
Block Clear Text Authentication
: 20
: 10
: yes
: 600
: 0
: 3
Note
The above DNSBL server URLs are fictitious and are only for illustration. A DNSBL
listing can be found at http://en.wikipedia.org/wiki/Comparison_of_DNS_blacklists.
Status Spam
-------- -------- -------- --------
active 156
inactive 0
: 65
: 156
: 34299
Status
active
active
Block connections between client and server that send the
username/password combination as clear text which can be
easily read (some servers may not support other methods than
this).
151
Chapter 6. Security Mechanisms
Drop Accept
65 34299
0
Value Total Matches
------- -------
25 34520
20 34520
0
221
65