最後更新: 2022-08-12

RBL 供應商

• Barracuda
• Spamhaus
• Spamcop
• Abuseat
• Backscatters

 

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Barracuda

 

HomePage: barracudacentral.org

Barracuda LOOKUP

1) By host command

host 2.0.0.127.b.barracudacentral.org

Result:

被 list 了:

2.0.0.127.b.barracudacentral.org has address 127.0.0.2

無事:

Host 1.0.0.127.b.barracudacentral.org not found: 3(NXDOMAIN)

2) By Web URL

https://www.barracudacentral.org/lookups/lookup-reputation

Postfix Setting

 ...
 reject_rbl_client b.barracudacentral.org

 

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Spamhaus

 

ZEN is the combination of all Spamhaus IP-based DNSBLs into one single powerful and
comprehensive blocklist to make querying faster and simpler.

It contains the SBL, SBLCSS, XBL and PBL blocklists.

HomePage

https://www.spamhaus.org/zen/

SBL (127.0.0.2)

Direct UBE sources, spam operations & spam services

CSS (127.0.0.3)

Direct snowshoe spam sources detected via automation

XBL (127.0.0.4-7)

CBL (3rd party exploits such as proxies, trojans, etc.)

PBL (127.0.0.10-11)

End-user Non-MTA IP addresses set by ISP outbound mail policy

postfix setting

main.cf

smtpd_recipient_restrictions =
    ...
    reject_unauth_destination
    reject_rbl_client zen.spamhaus.org=127.0.0.[2..7]

127.0.0.[2..7]

Tell Postfix only reject clients when we get those response code.

2..7 => SBL + CSS + XBL

CLI

Query

IP: w.x.y.z

dig w.x.y.z.zen.spamhaus.org

Return Code   Zone     Description

127.0.0.2     SBL     Spamhaus SBL Data
127.0.0.3     SBL     Spamhaus SBL CSS Data
127.0.0.4     XBL     CBL Data
127.0.0.9     SBL     Spamhaus DROP/EDROP Data
127.0.0.10    PBL     ISP Maintained
127.0.0.11    PBL     Spamhaus Maintained

Queries for "not_listed" objects must always return NXDOMAIN

Check my DNS server

dig +short 1.0.0.127.zen.spamhaus.org

dig +short 2.0.0.127.zen.spamhaus.org

127.0.0.10
127.0.0.2
127.0.0.4

Get error messages

"https://www.spamhaus.org/sbl/query/SBL2"
"https://www.spamhaus.org/query/ip/127.0.0.2"

 

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Spamcop

 

Website: https://www.spamcop.net/

• 支援舉報

Lookup:

dig

dig +short 2.0.0.127.bl.spamcop.net

dig -t txt +short 2.0.0.127.bl.spamcop.net

"Blocked - see http://www.spamcop.net/bl.shtml?127.0.0.2"

By WebUI

 

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Abuseat

 

CBL(cbl.abuseat.org)

Lookup IP 測試:

dig +short 2.0.0.127.cbl.abuseat.org

127.0.0.2

dig +short -t txt 2.0.0.127.cbl.abuseat.org

2.0.0.127.cbl.abuseat.org. 3600 IN      TXT     "Blocked - see http://cbl.abuseat.org/lookup.cgi?ip=127.0.0.2"

 

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Backscatters

 

http://www.backscatterer.org

dig +short 2.0.0.127.ips.backscatterer.org

dig -t txt +short 2.0.0.127.ips.backscatterer.org

"Onlinetest - RBL IPS.BACKSCATTERER.ORG is activ"

 

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中国反垃圾邮件联盟 (http://anti-spam.org.cn/)

 

http://anti-spam.org.cn/Rbl/Query

dig +short 2.0.0.127.cblless.anti-spam.org.cn

dig +short -t txt 2.0.0.127.cblless.anti-spam.org.cn

"Mail from 127.0.0.2 refused, see http://www.anti-spam.org.cn/rbl_search.action?ip=127.0.0.2"

 

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Online Check Block List

 

http://www.mxtoolbox.com/diagnostic.aspx