We notice and increase of spam lately
Even tho i think i have done my homework some of my coworkers are getting about 40 spam this weekend only (which could be worst but... you guys know how its is )
here some example of the x spam status of some emails spam that gets thru
X-Spam-Status: No, score=4.515 tagged_above=-10 required=5.6
tests=[AWL=-8.137, BAYES_95=3, MISSING_MID=0.001,
RCVD_IN_NIX_SPAM=0.5, RCVD_IN_PBL=0.905, RCVD_IN_SEMBLACK=0.5,
RCVD_IN_SPAMRATS_DYNA=2, RDNS_NONE=0.1, SPF_FAIL=0.693,
URIBL_BLACK=1.955, URIBL_SBL=1.499, URIBL_WS_SURBL=1.5] autolearn=no
X-Spam-Status: No, score=5.505 tagged_above=-10 required=5.6
tests=[BAYES_60=1, MISSING_MID=0.001, RCVD_IN_JMF_BL=1.5,
RCVD_IN_PBL=0.905, RCVD_IN_SEMBLACK=0.5, RDNS_NONE=0.1,
X-Spam-Status: No, score=4.357 tagged_above=-10 required=5.6
tests=[BAYES_50=0.001, RCVD_IN_PBL=0.905, RCVD_IN_SPAMRATS_NOPTR=2,w
RDNS_NONE=0.1, TVD_RCVD_SINGLE=1.351] autolearn=no
No, score=5.489 tagged_above=-10 required=5.6 tests=[AV:Sanesecurity.Spam.10765.UNOFFICIAL=0, AWL=-9.318, BAYES_99=3.5, CLAM_SS=2.5, MISSING_DATE=0.001, MISSING_MID=0.001, RCVD_IN_BL_SPAMCOP_NET=1.96, RCVD_IN_JMF_BL=1.5, RCVD_IN_NIX_SPAM=0.5, RCVD_IN_SEMBLACK=0.5, RCVD_IN_SORBS_WEB=0.619, RCVD_IN_XBL=3.033, SPF_FAIL=0.693] autolearn=spam
Now I know I could just lower my required scored... but I don't know how low is to much... so that we could be getting false positive.?
What do you guys use for your requirement score???
Do you guys sugest me something else i could do...