Re: [Exim] Extending RBL handling

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Author: Philip Hazel
Date:  
To: Nigel Metheringham
CC: exim-users, alan, alan
Subject: Re: [Exim] Extending RBL handling
On Mon, 17 Jan 2000, Nigel Metheringham wrote:

> I think we can handle these extensions to the current RBL handling with
> a few (backward compatible) changes. The current format of rbl_domains
> is a colon separated list of rbl domain entries, where each rbl domain
> consists of a domain optionally followed by /warn or /reject:-
>
> RBL_DOMAINS    = RBLDOM [ : RBL_DOMAINS ]
> RBLDOM        = domain [ /warn | /reject ]

>
> I'd like to change this to
>
> RBLDOM        = domain [ = ipaddr[,ipaddr...] ] [ /warn | /reject | /accept ]


Looks good to me. I have added an item to the wish list.

>   /warn               - accept the recipients, but add a warning header to
>          the message.    Further rbl_domains entries are also
>          processed***

>
> *** This is the current exim implementation. I am wondering if this is
> worth doing or whether we just say first hit wins, no more rbl_domains
> are processed whether its /warn, /accept or /reject.


It used to be like that, but I was asked to change it so that you could
get multiple warnings ("this host is in both ORBS and RBL"). I suppose
one could implement /warnend to give the other behaviour, but I am not
sure that it is worth it.

-- 
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.