> On Feb 29, 2016, at 3:18 PM, Reindl Harald <h.rei...@thelounge.net> wrote:
> 
> Am 29.02.2016 um 21:05 schrieb Charles Sprickman:
>>> On Feb 29, 2016, at 4:23 AM, Reindl Harald <h.rei...@thelounge.net> wrote:
>>> 
>>> Am 29.02.2016 um 06:24 schrieb Charles Sprickman:
>>>> I’ve not had much luck with Bayes - when I had it enabled recently on a 
>>>> per-user basis it was just hitting the master DB server too hard with 
>>>> udpates
>>> 
>>> just make a sitewide bayes 
>>> (https://wiki.apache.org/spamassassin/SiteWideBayesSetup) without autolearn 
>>> / autoexpire and the default database in a folder read-only for the daemon
>>> 
>> 
>> I think I still have to stick with a db-backed option since I need to keep 
>> two SA servers in sync.
> 
> and i know that it don't matter
> 
> nothing easier then rsync the bayes-folder to several machines at the end of 
> the learning script, we even share the side-wide bayes over webservices to 
> external entities and so it coves around 5000 users at the moment in summary

I’m not seeing much of a change in load after enabling this with a global user 
and no autolearn.  I think the db was really only constrained on the 
inserts/updates.

> 
>> I’ll try that today and see how the load looks.  My concern with disabling 
>> autolearn is that then I’m the only one training.  My spam probably looks 
>> like everyone else’s, but my ham is very different, lots list traffic and 
>> such.
> 
> you should be the only one who trains in most cases for several reasons
> 
> * few to zero users train anough ham and spam for a proper bayes
> * wrong classified autolearn takes a wrong direction sooner or later
> 
> given that we now for more than a year maintain a side-wide bayes for inbound 
> MX re-used on submission servers to minimize the impact of hacked accounts 
> and it works so much better than all the "user bayes" solutions the last 
> decade it's the way to go if you *really* want proper operations

I’ve been running with some daily training for a little over a week and I’m 
seeing less spam in my inbox.  I’ve seen a few things slip through because 
bayes tipped them below the default score, these were two phishing emails.

Here’s some rule stats for anyone interested:

TOP SPAM RULES FIRED

RANK    RULE NAME                       COUNT %OFRULES %OFMAIL %OFSPAM  %OFHAM

   1    TXREP                           13171     8.47   40.38   91.00   72.91
   2    HTML_MESSAGE                    12714     8.18   38.98   87.85   90.80
   3    DCC_CHECK                       10593     6.81   32.48   73.19   33.78
   4    RDNS_NONE                       10269     6.60   31.48   70.95    5.63
   5    SPF_HELO_PASS                   10070     6.48   30.87   69.58   23.41
   6    URIBL_BLACK                      9711     6.25   29.77   67.10    1.58
   7    BODY_NEWDOMAIN_FMBLA             9550     6.14   29.28   65.98    1.64
   8    FROM_NEWDOMAIN_FMBLA             9483     6.10   29.07   65.52    1.36
   9    BAYES_99                         8486     5.46   26.02   58.63    1.18
  10    BAYES_999                        8141     5.24   24.96   56.25    1.06

TOP HAM RULES FIRED

RANK    RULE NAME                       COUNT %OFRULES %OFMAIL %OFSPAM  %OFHAM

   1    HTML_MESSAGE                    16473     9.13   50.51   87.85   90.80
   2    DKIM_SIGNED                     13776     7.64   42.24   13.81   75.93
   3    TXREP                           13228     7.33   40.56   91.00   72.91
   4    DKIM_VALID                      12962     7.19   39.74   11.93   71.44
   5    RCVD_IN_DNSWL_NONE               9941     5.51   30.48    8.08   54.79
   6    DKIM_VALID_AU                    8711     4.83   26.71    7.99   48.01
   7    BAYES_00                         8390     4.65   25.72    1.84   46.24
   8    RCVD_IN_JMF_W                    7369     4.09   22.59    2.54   40.62
   9    RCVD_IN_MSPIKE_WL                6713     3.72   20.58    4.39   37.00
  10    BAYES_50                         6201     3.44   19.01   25.56   34.18

Charles


Attachment: signature.asc
Description: Message signed with OpenPGP using GPGMail

Reply via email to