Re: Adding mail header if postfix DNS based RBL (realtime black hole) check fails

[Sahil Tandon]

On Oct 22, 2009, at 8:52 AM, "Sharma, Ashish" <ashish.shar...@hp.com>  
wrote:

Hello,
I have setup a receiving Postfix mail server. Here i have custom  
code written that parses the whole mail received by postfix and use  
the headers, body and attachments separately for different uses.

I have currently added SPF and DKIM checks in postfix that result in  
appending of their results in the mail header to indicate about the  
character of the mail.

Also i am planning to implement postfix anti-UCE features using DNS  
based Real time black hole lists (DNSRBL), for this i have added the  
following:

'smtpd_recipient_restrictions = reject_rbl_client zen.spamhaus.org,  
reject_rbl_client bl.spamcop.net'

in my Postfix's main.cf file.

My question is, how can I append the results of this check inside  
the mail headers that are being received?

Huh?  The above restrictions REJECT mail so it is never delivered and  
thus no headers to examine.  What problem are you trying to solve?