Re: [Exim] Problems caused by localhost entry in Received

Top Page
Delete this message
Reply to this message
Author: Toralf Lund
Date:  
To: Exim User's Mailing List
Subject: Re: [Exim] Problems caused by localhost entry in Received
Greg A. Woods wrote:

>[ On Tuesday, January 6, 2004 at 16:23:24 (+0100), Christian Vogel wrote: ]
>
>
>>Subject: Re: [Exim] Problems caused by localhost entry in Received
>>
>>Why should 127.0.0.1 *not* be included in any blacklist?
>>
>>
>
>Indeed -- and in fact 127.0.0.1 _should_ be included in every DNS
>blacklist and whitelist in order to provide for a safe testing
>mechanism.
>
>
>
>>Or rather: Why would anyone do a rbl-lookup for 127.0.0.1/localhost?
>>
>>
>
>That's a very good question! ;-)
>
>

Possible answer:

Because some MTAs, including Exim 3, will do it unless you explicitely
tell them not to.

(Exim's default for rbl_hosts is simply *, although you usually want
something like !(127.0.0.1|^.*\.(<local domains>)))

>--
>                        Greg A. Woods

>
>+1 416 218-0098                  VE3TCP            RoboHack <woods@???>
>Planix, Inc. <woods@???>          Secrets of the Weird <woods@???>

>
>--
>
>## List details at http://www.exim.org/mailman/listinfo/exim-users Exim details at http://www.exim.org/ ##
>
>
>

- Toralf