spf-discuss
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Re: current SPF hitrates on my corpus

2004-01-14 14:13:20
On Wed, Jan 14, 2004 at 01:03:59PM -0800, Justin Mason wrote:
| 
| Hi folks -- FYI, here's the hit rates of
| current SPF rules in SpamAssassin 2.70:
| 
| OVERALL%   SPAM%     HAM%     S/O    RANK   SCORE  NAME
|    7598     4958     2640    0.653   0.00    0.00  (all messages)
| 100.000  65.2540  34.7460    0.653   0.00    0.00  (all messages as %)
|  11.700   0.3025  33.1061    0.009   0.93   -0.10  T_SPF_HELO_PASS

excellent numbers, thanks.

| 
| Note that SOFTFAIL no longer seems to be working. The SpamAssassin glue
| code needs to be updated to reflect that this is no longer returned;
| I haven't been keeping that up-to-date with Mail::SPF::Query changes.

Yes, SOFTFAIL has been deprecated.

| However, overall for some reason, I'm now seeing more SPF failures in
| nonspam than in spam.   This will probably result in an SPF failure
| getting a 0 score... but an SPF pass looks like a good ham-sign.

If you add a trusted-forwarder lookup, that may change things.

Also, do you have a result for T_SPF_UNKNOWN?  I know SA shouldn't
assign any weight to that but it's a guide to how SPF will do once AOL
switches from ?all to -all


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