Mailscanner RBL checks

Richard Frovarp Richard.Frovarp at sendit.nodak.edu
Tue Aug 14 16:56:08 IST 2007


grep through the rules. URIBLs seem to be in 25_uribl.cf and DNSBLs seem 
to be in 20_dnsbl_tests.cf

Vlad Mazek wrote:
> Thing is, skip_rbl_checks =1 would skip them all, I just want to 
> restrict which ones are being queried.
>
> Here are the queries that are launched by MailScanner:
> [2351] dbg: dns: URIBL_RED lookup start
> [2351] dbg: dns: URIBL_GREY lookup start
> [2351] dbg: dns: WHOIS_SECUREWHOIS lookup start
> [2351] dbg: dns: WHOIS_MYPRIVREG lookup start
> [2351] dbg: dns: WHOIS_NETSOLPR lookup start
> [2351] dbg: dns: WHOIS_AITPRIV lookup start
> [2351] dbg: dns: URIBL_SC_SURBL lookup start
> [2351] dbg: dns: URIBL_AB_SURBL lookup start
> [2351] dbg: dns: WHOIS_CONTACTPRIV lookup start
> [2351] dbg: dns: WHOIS_NAMEKING lookup start
> [2351] dbg: dns: WHOIS_PRIVPROT lookup start
> [2351] dbg: dns: WHOIS_WHOISGUARD lookup start
> [2351] dbg: dns: URIBL_PH_SURBL lookup start
> [2351] dbg: dns: URIBL_BLACK lookup start
> [2351] dbg: dns: WHOIS_PRIVACYPOST lookup start
> [2351] dbg: dns: URIBL_RHS_DOB lookup start
> [2351] dbg: dns: URIBL_JP_SURBL lookup start
> [2351] dbg: dns: URIBL_WS_SURBL lookup start
> [2351] dbg: dns: URIBL_OB_SURBL lookup start
> [2351] dbg: dns: WHOIS_DMNBYPROXY lookup start
> [2351] dbg: dns: WHOIS_REGISTERFLY lookup start
> [2351] dbg: dns: WHOIS_UNLISTED lookup start
> [2351] dbg: dns: WHOIS_MONIKER_PRIV lookup start
> [2351] dbg: dns: URIBL_SBL lookup start
>  
> How do I find out which rule/definition is causing all these lookups 
> to launch?
>
> -Vlad
>
> On 8/9/07, *Steve Campbell* <campbell at cnpapers.com 
> <mailto:campbell at cnpapers.com>> wrote:
>
>     I believe you can do this, but my versions are a little old:
>
>     In MailScanner.conf, try setting the following:
>
>     Spam List =
>     Spam Domain List =
>
>     This turns off RBLs and the like in MS.
>
>     In either mailscanner.cf <http://mailscanner.cf>, local.cf
>     <http://local.cf>, or spam.assassin.prefs.conf, set the
>     following:
>     skip_rbl_checks = 1
>
>     This turns off RBLs in SA.
>
>     Make sure they are not commented if they already exist.
>
>     I may be wrong on this, so anyone can correct me if I am.
>
>     Steve Campbell
>
>     Mikael Syska wrote:
>     > Scott Silva wrote:
>     >> Vlad Mazek spake the following on 8/9/2007 9:59 AM:
>     >>
>     >>> I'm sorry I am just not following; my mailscanner.cf
>     <http://mailscanner.cf>
>     >>> <http://mailscanner.cf> has only one line:
>     >>>
>     >>> dns_available yes
>     >>>
>     >>> Yet, it seems to be querying the external RBL's:
>     >>> SpamAssassin (not cached, score= 16.885, required 5,
>     >>> autolearn=disabled,
>     >>> FH_RELAY_NODNS 1.25, HELO_EQ_IP_ADDR 1.12, HTML_MESSAGE 0.00,
>     >>> HTML_OBFUSCATE_05_10 0.57, MIME_HTML_ONLY 1.67,
>     RCVD_IN_BL_SPAMCOP_NET
>     >>> 2.19, RCVD_IN_PBL 0.51, RDNS_NONE 0.10, URIBL_BLACK 1.96,
>     >>> URIBL_JP_SURBL
>     >>> 2.86, URIBL_OB_SURBL 2.13, URIBL_SC_SURBL 2.52
>     >>>
>     >>> My question is simply where/what is telling SpamAssassin to
>     query all
>     >>> these RBLs because my MailScanner.cf doesn't list any RBLs to
>     be called
>     >>> (line is commented out completely)
>     >>>
>     >> Spamassassin has several tests it does all by itself that are
>     >> indepentent of
>     >> mailscanner. Spamassassin tests rbl's and gives a score that is
>     added
>     >> together. When you use rbl's in mailscanner they are just
>     flagged as
>     >> spam if
>     >> they hit, independent of how reliable a rbl might be.
>     >>
>     >> As you were told in the last mail, if you do not want rbl tests in
>     >> spamassassin, you have to add a line for each one in
>     mailscanner.cf <http://mailscanner.cf>.
>     >> As an example, if you didn't want to test for
>     RCVD_IN_BL_SPAMCOP_NET
>     >> you add the following line;
>     >> score RCVD_IN_BL_SPAMCOP_NET 0
>     >>
>     >> Does this clear things up a little more?
>     >>
>     > Little off-topic:
>     > Can't the lookups be completely disabled, so its possible to
>     avoid the
>     > the DNS query ?
>     >
>     > As I understand SA, it will still make the lookup even if the
>     score is
>     > 0 ... or am I wrong here ?
>     >
>     > // ouT
>



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