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12 Apr 2021 12:39:17 UTC
- Distribution: Mail-SpamAssassin
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Bus factor: 2- License: apache_2_0
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The Apache SpamAssassin Project
NAME
DNSEVAL - look up URLs against DNS blocklists
SYNOPSIS
loadplugin Mail::SpamAssassin::Plugin::DNSEval rbl_headers EnvelopeFrom,Reply-To,Disposition-Notification-To header RBL_IP eval:check_rbl_headers('rbl', 'rbl.example.com.', '127.0.0.2') describe RBL_IP From address associated with spam domains tflags RBL_IP net reuse RBL_IP Supported extra tflags from SpamAssassin 3.4.3: domains_only - only non-IP-address "host" components are queried ips_only - only IP addresses as the "host" component will be queried
DESCRIPTION
The DNSEval plugin queries dns to see if a domain or an ip address present on one of email's headers is on a particular rbl.
USER PREFERENCES
The following options can be used in both site-wide (
local.cf
) and user-specific (user_prefs
) configuration files to customize how SpamAssassin handles incoming email messages.- rbl_headers
-
This option tells SpamAssassin in which headers to check for content used to query the specified rbl. If on the headers content there is an email address, an ip address or a domain name, it will be checked on the specified rbl. The configuration option can be overridden by passing an headers list as last parameter to check_rbl_headers. The default headers checked are:
EnvelopeFrom
Reply-To
Disposition-Notification-To
X-WebmailclientIP
X-Source-IP
- check_rbl_from_domain
-
This checks all the from addrs domain names as an alternate to check_rbl_from_host. As of v3.4.1, it has been improved to include a subtest for a specific octet.
- check_rbl_ns_from
-
This checks the dns server of the from addrs domain name. It is possible to include a subtest for a specific octet.
- check_rbl_rcvd
-
This checks all received headers domains or ip addresses against a specific rbl. It is possible to include a subtest for a specific octet.
Module Install Instructions
To install Mail::SpamAssassin, copy and paste the appropriate command in to your terminal.
cpanm Mail::SpamAssassin
perl -MCPAN -e shell install Mail::SpamAssassin
For more information on module installation, please visit the detailed CPAN module installation guide.