Re: SA Scoring... mysterious point loss

2013-09-17 Thread Karsten Bräckelmann
On Mon, 2013-09-16 at 00:59 +0100, RW wrote: On Sun, 15 Sep 2013 11:19:12 -0400 Harry Putnam wrote: The real reason for what you're observing here is (as RW pointed out in a follow-up post), that SPF_SOFTFAIL has a score of 0.972 -- that, and you looking at the rounded scores in the brief

Re: SA Scoring... mysterious point loss

2013-09-17 Thread RW
On Tue, 17 Sep 2013 10:12:03 +0200 Karsten Bräckelmann wrote: I assume he knows about all that. Yet, being confronted with the initial mystery of 4.9 vs 5.0 and a sneaky spam refusing to cross that all-magic threshold, he seems to have forgotten about rounding. If you reread the original

Re: SA Scoring... mysterious point loss

2013-09-17 Thread David F. Skoll
On Tue, 17 Sep 2013 20:08:22 +0100 RW rwmailli...@googlemail.com wrote: It is a bit more complicated than I thought though. Rounding towards zero produces sensible results for the 5.0 threshold, but it becomes more complicated if one needs to handle threholds close to, or below, zero and

Re: SA Scoring... mysterious point loss

2013-09-17 Thread RW
On Tue, 17 Sep 2013 15:20:41 -0400 David F. Skoll wrote: On Tue, 17 Sep 2013 20:08:22 +0100 RW rwmailli...@googlemail.com wrote: It is a bit more complicated than I thought though. Rounding towards zero produces sensible results for the 5.0 threshold, but it becomes more complicated if

SA Scoring... mysterious point loss

2013-09-15 Thread Harry Putnam
SA is letting mail thru as ham that should be spam apparently based on what is too low a score (for my mail) for URIBL_JP_SURBL which was 1.9 by default. I pushed it up to 4. But then I see a report that shows a total score of 4.9 when 4.0 is shown for URIBL_JP_SURBL 1.0 is shown for

Re: SA Scoring... mysterious point loss

2013-09-15 Thread RW
On Sun, 15 Sep 2013 11:19:12 -0400 Harry Putnam wrote: SA is letting mail thru as ham that should be spam apparently based on what is too low a score (for my mail) for URIBL_JP_SURBL which was 1.9 by default. I pushed it up to 4. But then I see a report that shows a total score of 4.9

Re: SA Scoring... mysterious point loss

2013-09-15 Thread Harry Putnam
RW rwmailli...@googlemail.com writes: On Sun, 15 Sep 2013 11:19:12 -0400 Harry Putnam wrote: [...] I assumed it had something to do with rounding or something so I increased the score to 4.1 to get that message to break the spam level of 5. Now the same mail shows a total of 5.1 4.1

Re: SA Scoring... mysterious point loss

2013-09-15 Thread RW
On Sun, 15 Sep 2013 21:15:46 -0400 Harry Putnam wrote: RW rwmailli...@googlemail.com writes: I had a look into it, and it seems that rounding is handled in an unusual way. It starts by rounding to the nearest 0.1, and then subtracts 0.1 if the result is non-spam to avoid the case of: