sendmail dnsbl vs MS

[Ugo Bellavance]

>-----Message d'origine-----
>De : Greg Krzeszkowski [mailto:gregk at INFOSECSOLUTIONS.COM.AU]
>Envoyé : 29 mars, 2004 22:07
>À : MAILSCANNER at JISCMAIL.AC.UK
>Objet : sendmail dnsbl vs MS
>
>
>Hi,
>
>I have a firewall/gateway that forwards smtp to my MS box for 
>processing.   My sendmail.mc has a FEATURE(`dnsbl' ...) for 
>spam/exploit checks, and it regularly (2-3 times a day) causes 
>problems.
>
>I know this is a little off topic, but do I really need the 
>feature included?

No, it is optional.

http://www.sng.ecs.soton.ac.uk/mailscanner/serve/cache/249.html

>
>This is the kind of sustained error message I receive in my maillog.
>
>Mar 30 13:03:57 localhost sendmail[11731]: 
>ruleset=check_relay, arg1=[192.168.1.254], arg2=192.168.1.254, 
>relay=[192.168.1.254], reject=451 4.7.1 Temporary Lookup 
>failure for 192.168.1.254 in sbl-xbl.spamhaus.org
>
>Cheers
>
>--------------------------
>Greg Krzeszkowski
>gregk at infosecsolutions.com.au
>