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From "Norman Maurer (JIRA)" <server-...@james.apache.org>
Subject [jira] Commented: (JSPF-21) SPF1Data.MAX_DEPTH = 10 not enough
Date Sat, 15 Jul 2006 08:36:15 GMT
    [ http://issues.apache.org/jira/browse/JSPF-21?page=comments#action_12421301 ] 
            
Norman Maurer commented on JSPF-21:
-----------------------------------

>From spf spec:

SPF implementations MUST limit the number of mechanisms and modifiers
   that do DNS lookups to at most 10 per SPF check, including any
   lookups caused by the use of the "include" mechanism or the
   "redirect" modifier.  If this number is exceeded during a check, a
   PermError MUST be returned.  The "include", "a", "mx", "ptr", and
   "exists" mechanisms as well as the "redirect" modifier do count
   against this limit.  The "all", "ip4", and "ip6" mechanisms do not
   require DNS lookups and therefore do not count against this limit.
   The "exp" modifier does not count against this limit because the DNS
   lookup to fetch the explanation string occurs after the SPF record
   has been evaluated.


See: http://new.openspf.org/svn/project/specs/rfc4408.txt
          10.1.  Processing Limits


So this should be ok.

> SPF1Data.MAX_DEPTH = 10 not enough
> ----------------------------------
>
>                 Key: JSPF-21
>                 URL: http://issues.apache.org/jira/browse/JSPF-21
>             Project: jSPF
>          Issue Type: Bug
>          Components: Core
>            Reporter: Miguel Di Ciurcio Filho
>            Priority: Blocker
>
> Using the default MAX_DEPTH = 10 in SPF1Data can not finish the probe for a decision.
> Try with microsoft.com, it will fail :-P 
> Microsoft's domain have alot of includes.
> Well, I rised it to 15 and now works fine.

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