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From RW <rwmailli...@googlemail.com>
Subject Re: Barracuda Reputation Block List (BRBL) removal from the SA ruleset
Date Mon, 05 Feb 2018 16:32:27 GMT
On Mon, 5 Feb 2018 08:09:55 -0600
David Jones wrote:

> Heads up!  This RBL has been removed from the core SA ruleset.  In 36
> to 48 hours sa-update will remove the RCVD_IN_BRBL_LASTEXT rule after
> it has gone through the masscheck and rule promotion process.
> 
> Details can be found here:
> 
> https://bz.apache.org/SpamAssassin/show_bug.cgi?id=7417
> 
> To add this rule back manually, you should register here:
> 
> http://barracudacentral.org/account/register

Just to clarify, there is no legal or moral obligation to do this, the
'bb' subdomain was created specifically so SA users wouldn't need to
register. Anything you may read on the Barracuda site applies to the
'b' version. Barracuda has given no indication that anything has
changed.

The issue is that some users have seen look-ups fail and attributed it
to possible rate limiting on non-registered IP addresses.

You should register if you use the 'b' list directly from an MTA. If
you only run the 'bb' version from SA and use fixed IP addresses it
*may* help with reliability if you register. If you run SA client side
on a dynamic address there's no point in registering.

> and add this to your local.cf:

I would suggest people just copy the existing rule as it is.  This list
contains dynamic IP addresses so shouldn't be used for deep look-ups.  
 
> NOTE: recent masscheck processing shows RCVD_IN_BRBL_LASTEXT as the
> most effective non-zero scoring rule to hit spam (43%) so it's
> probably worth adding back to your local.cf on Wednesday or Thursday.

If you don't rename the rule there's no need to wait. 

Note that once it's removed the scores for other rules will adjust to
compensate for its absence, and this *may* lead to more FP's if it's
left at its current score. 


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