IBM AH0QXML User Guide - Page 65

Chapter 4. Domino 6 Server anti-spam features

53

Table 4-2 outlines various types of rules and provides suggestions on the action

to take on these messages. Initially, you may want to use the

“

Move to Database

”

or

“

Change Routing State

”

actions more frequently than the

“

Don

’

t accept

message

”

or the

“

Don

’

t deliver message

”

. There is no way to recover messages

that were rejected using

“

Don

’

t accept message

”

or deleted using

“

Don

’

t deliver

message

”

actions.

Table 4-2

Examples of Server Mail Rules

Rule conditions to meet

Action to perform when met

When any attachment name contains

name of

attachment

or

extension type

Move to database quarantine.nsf, or change

routing state to mark as held

When Internet domain contains

name of domain

Move to database quarantine.nsf, don

’

t accept

message, or change routing state to mark as held

When recipient count is greater than

number of

recipients

Move to database quarantine.nsf or change


When subject contains dvd

OR subject contains money

OR subject contains tv

OR subject contains music

OR subject contains cd

OR subject contains credit

OR subject contains phone

OR subject contains movie

Except when:

Subject does not contain free


’

t accept


When subject contains XXX AND subject contains

child

OR subject contains XXX AND subject contains adult

OR body contains XXX AND body contains child

OR body contains XXX AND body contains adult

OR subject contains XXX AND body contains child

OR subject contains XXX AND body contains adult

OR body contains XXX AND subject contains child

OR body contains XXX AND subject contains adult


’

t accept


When number of attachments is greater than

number

of attachments



When To contains

recipient address 1

OR To contains

recipient address 2



When Sender contains

spammer name1

OR Sender contains

spammer name2

Move to database quarantine.nsf or

don

’

t accept message. Inbound sender controls

could be used for this, denying mail from these

senders.

Section	Page
Front cover	1
Contents	5
Notices	7
Trademarks	8
Preface	9
The team that wrote this redbook	9
Become a published author	11
Comments welcome	12
Chapter 1. Introduction	13
1.1 Definition of spam	14
1.2 Categorizing spam	14
Chapter 2. Preventing unwanted e-mail and spam	19
2.1 Spam avoidance techniques	20
2.1.1 Passive harvesting attacks	20
2.1.2 Avoiding harvesting	21
2.1.3 Confusing the harvesters	22
2.1.4 Inform Users	22
2.2 How to block spam	24
2.2.1 At the gateway	25
2.2.2 At the server	25
2.2.3 By the end user	26
2.2.4 Selecting the best approach	26
2.2.5 Managing the ongoing anti-spam campaign	27
2.2.6 Summary	28
Chapter 3. Domino 6 anti-spam architecture	29
3.1 The Domino messaging environment	30
3.2 Domino 6 messaging components	32
3.2.1 SMTP Listener/Server	33
3.2.2 Router	35
3.3 Domino 6 anti-spam configuration	35
3.3.1 Server configuration features	36
3.3.2 User configuration features	37
3.4 Common problems and solutions	37
Chapter 4. Domino 6 Server anti-spam features	41
4.1 How to detect spam	42
4.1.1 Examining the message properties	42
4.1.2 Separating legitimate e-mail from spam based on content	43
4.2 Controlling connections from spammers	44
4.2.1 DNS Blacklist filters	44
4.2.2 Inbound Intended Recipients Controls	48
4.2.3 Disable routing mail to groups	51
4.2.4 Inbound connection controls	53
4.2.5 Inbound sender controls	54
4.3 Controlling delivery of spam	57
4.3.1 Server mail rules	57
4.4 Controlling use of your server as a relay	66
4.4.1 Inbound relay controls	66
4.4.2 Inbound relay enforcement	71
4.5 Protecting your Domino server from active address harvesting attacks	74
4.5.1 SMTP harvesting attacks	74
4.5.2 Spam mail bombing	74
4.5.3 Direct SMTP RCPT TO harvesting	74
4.5.4 Defending against active attacks	75
Chapter 5. Using mail file rules to prevent spam	77
5.1 Distinguishing between spam and legitimate e-mail	78
5.2 Mail file rules	80
5.2.1 Setting up mail file rules	80
5.2.2 Developing anti-spam mail file rules	83
5.2.3 Viewing mail rules and the evaluation sequence	89
5.2.4 Monitoring mail file rules	90
Chapter 6. Third party anti-spam products	93
6.1 Anti-spam products for Notes and Domino	94
6.1.1 spamJam for Lotus Notes and Domino	94
6.1.2 SpamEraser for Lotus Notes and Domino 6	97
6.1.3 iQ.Suite	100
6.1.4 ScanMail for Lotus Notes with eManager	101
6.1.5 XM SpamStop	104
6.1.6 Other anti-spam products for Notes and Domino	106
6.2 Anti-spam server and gateway products and services	106
6.2.1 BrightMail Anti-Spam 4.0 from BrightMail, Inc.	106
6.2.2 ActiveState PureMessage	107
6.2.3 Trend Micro Inc. products	109
6.2.4 Other anti-spam server or gateway products and services	110
Related publications	111
IBM Redbooks	111
Referenced Web sites	111
How to get IBM Redbooks	112
IBM Redbooks collections	112
Index	113

IBM AH0QXML User Guide - Page 65

Move to Database, Change Routing State

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