Re: osirusoft.com DNS BLs are broken ...

[Henning P. Schmiedehausen]

Matti Aarnio <matti.aarnio@xxxxxxxxxxx> writes:

>That in itself should not be any difficulty, but MANY
>filter codes in different MTAs appear to treat that as
>if there is genuine registered rejection!

>I have seen this at sendmails (up to and including lattest),
>and at Postfix!   But also at several systems not willing
>to tell what they are running do exhibit this very same
>misbehaviour.

sendmail:

--- cut --
dnsbl           Turns on rejection of hosts found in an DNS based rejection
                list.  If an argument is provided it is used as the domain
[...]
                information.  By default, temporary lookup failures are
                ignored.  This behavior can be changed by specifying a
                third argument, which must be either `t' or a full error
                message.  See the anti-spam configuration control section for
--- cut --

_Anyone_ changing the default behaviour of "temporary lookup failure"
to reject mail should be treated with a really large clue-bat (TM). 

	Regards
		Henning

-- 
Dipl.-Inf. (Univ.) Henning P. Schmiedehausen          INTERMETA GmbH
hps@xxxxxxxxxxxx        +49 9131 50 654 0   http://www.intermeta.de/

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