Untrusted Blacklist Examples

Untrusted Blacklists

Example 1:

With the example settings shown below, the connection will be dropped after the message is received under the following conditions:

Note: If less than three matches are made, the message will be accepted and delivered.

1. Match is made with two blacklist databases, and one of the verification checks fails. Upon the third match, verification checks will stop and the connection will drop.
2. Match is made with three blacklist databases. Upon the third match the connection will drop.
3. Match is made with one blacklist database, and both verification checks fail. Upon the third match the connection will drop.

Blacklists	Type	Server	Query Domain	Trusted
spamcop	DNS	*	bl.spamcop.net
helospam	HELO	*	ex.helospam.ex
spamhaus	DNS	*	zen.spamhaus.org
Verification Checks: Verify MAIL FROM address Perform reverse DNS lookup for connecting server Verify HELO / EHLO domain Settings for Verification Checks and Untrusted Blacklists: Action on Match: Drop Connection Delete Message Only Add X-Header Perform action after this many matches: 3 Prefix Subject with

Example 2:

For Administrators that are archiving, be aware that all incoming e-mail, even when the message is deleted will still be archived. With the example settings shown below, the message will be deleted under the following conditions:

Note: If less than two matches are made, the message will be accepted and delivered.

1. Match is made with two blacklist databases. Blacklist checking will stop, and the message will be immediately deleted.
2. Match is made with one blacklist database, and one of the verification checks fails. Verification checks will stop after the first verification failure, and the message will be immediately deleted.
3. No match is made against the blacklist databases, but two of the verification checks fails. Verification checks will stop after the second verification failure, and the message will be immediately deleted.

Blacklists	Type	Server	Query Domain	Trusted
spamcop	DNS	*	bl.spamcop.net
helospam	HELO	*	ex.helospam.ex
spamhaus	DNS	*	zen.spamhaus.org
Verification Checks: Verify MAIL FROM address Perform reverse DNS lookup for connecting server Verify HELO / EHLO domain Settings for Verification Checks and Untrusted Blacklists: Action on Match: Drop Connection Delete Message Only Add X-Header Perform action after this many matches: 2 Prefix Subject with

Example 3:

For Administrators that use archiving, be aware that all incoming e-mail, even when the message is deleted will still be archived. With the example settings shown below, the message will be deleted under the following conditions:

Note: If less than four matches are made, the message will be accepted and delivered with the Prefix Subject inserted to the subject of the message.

1. Match is made with one blacklist database, but all three verification checks fail. The message will be immediately deleted.
2. Match is made with two blacklist databases, and two verification checks fail. Verification checks will stop and the message will be immediately deleted.
3. Matches are made with all three blacklist databases, and one of the verification checks fails. Verification checks will stop after the first verification failure, and the message will be immediately deleted.

Blacklists	Type	Server	Query Domain	Trusted
spamcop	DNS	*	bl.spamcop.net
helospam	HELO	*	ex.helospam.ex
spamhaus	DNS	*	zen.spamhaus.org
Verification Checks: Verify MAIL FROM address Perform reverse DNS lookup for connecting server Verify HELO / EHLO domain Settings for Verification Checks and Untrusted Blacklists: Action on Match: Drop Connection Delete Message Only Add X-Header Perform action after this many matches: 4 Prefix Subject with

Example 4:

Action setting for Only Add X-Header allows Administrators to test and review messages that have matches from the Domain Blacklists or set Verification Checks that fail validations.

The following are a sample of the possible X-Headers that will be added to message along with the Prefix Subject inserted to the subject of the message.

Note: The Perform action after this many matches is disabled.

1. Match is made with one blacklist database, and two verification checks fail. The message will have three X-Headers, each explaining in detail the blacklist database or the verification failure.
2. Match is made with two blacklist databases, and three verification checks fail. The message will have five X-Headers, each explaining in detail the blacklist database or the verification failure.
3. Matches are made with all three blacklist databases, and all three verification checks fail. The message will have six X-Headers, each explaining in detail the blacklist database or the verification failure.

Blacklists	Type	Server	Query Domain	Trusted
spamcop	DNS	*	bl.spamcop.net
helospam	HELO	*	ex.helospam.ex
spamhaus	DNS	*	zen.spamhaus.org
Verification Checks: Verify MAIL FROM address Perform reverse DNS lookup for connecting server Verify HELO / EHLO domain Settings for Verification Checks and Untrusted Blacklists: Action on Match: Drop Connection Delete Message Only Add X-Header Perform action after this many matches: Prefix Subject with