The failing tests was MAILFROM, REVDNS and HELOBOGUS:

10/30/2002 00:02:57 Q139f04c Msg failed MAILFROM (Domain
list.ipswitch.com has no MX/A records.).
10/30/2002 00:02:57 Q139f04c Msg failed REVDNS (This E-mail was sent
from a MUA/MTA 156.21.1.21 with no reverse DNS entry.).
10/30/2002 00:02:57 Q139f04c Msg failed HELOBOGUS (Domain
list.ipswitch.com has no MX/A records.).

In the meantime I've found the cause: On the firewall there was not a
missing rule but a wrong rule, forwarding all DNS-traffic to a
test-server that at this time has had configured a "."-Zone. Fantastic
what a simply change on a firewall rule can do...

Markus



> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:Declude.JunkMail-owner@;declude.com] On Behalf Of R. 
> Scott Perry
> Sent: Saturday, November 02, 2002 2:45 PM
> To: [EMAIL PROTECTED]
> Subject: Re: [Declude.JunkMail] DNS-based Tests
> 
> 
> 
> >Beside other problems there was specialy one with declude junkmail: 
> >Because all DNS-based tests timed out, all incoming mail was blocked 
> >from the weighting system.
> 
> The DNS-based tests have failsafes built in to make sure that 
> they do not 
> get triggered if no response comes back.  They only get 
> triggered if a 
> positive response comes back.
> 
> >Question: Can it be helpful to change this in declude so 
> that timed out 
> >DNS-Tests will not trigger any actions?
> 
> Question: What tests were the E-mails failing?
>                         -Scott
> 
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