On 12/12/19 18:44, John Schmerold wrote:
On the Postfix listserv, KAM informed the Postfix community that 3.4.3
has the ability to do RBL lookups on the domain in Reply-to address.
How do we take advantage of this new capability?
If I interpret the documentation correctly (still didn't try the new
release), you could something like:
header SH_HEADERS_DBL_SPAM eval:check_rbl_headers('dbl',
'dbl.spamhaus.org.', '127.0.1.2')
tflags SH_HEADERS_DBL_SPAM domains_only
score SH_HEADERS_DBL_SPAM XXX
To check all the domains found in the default headers
(EnvelopeFrom,Reply-To,Disposition-Notification-To,X-WebmailclientIP,X-Source-IP)
in the DBL looking for spam domains. I'd also suggest to add Message-ID
to the list of default headers, so a line like:
rbl_headers
EnvelopeFrom,Reply-To,Disposition-Notification-To,X-WebmailclientIP,X-Source-IP,Message-ID
should be added somewhere in the local.cf file.
--
Best regards,
Riccardo Alfieri
Spamhaus Technology
https://www.spamhaustech.com/
