I just found out that there is no ImageInfo plugin score in one of my server. Spamassassin debug show:
Jun 1 17:46:50.229 [29338] dbg: config: fixed relative path: /var/lib/spamassas sin/3.003001/updates_spamassassin_org/20_imageinfo.cf Jun 1 17:46:50.229 [29338] dbg: config: using "/var/lib/spamassassin/3.003001/u pdates_spamassassin_org/20_imageinfo.cf" for included file Jun 1 17:46:50.229 [29338] dbg: config: read file /var/lib/spamassassin/3.00300 1/updates_spamassassin_org/20_imageinfo.cf .. ... .. .. Jun 1 17:47:08.197 [29338] dbg: imageinfo: image ratio=0.000254277605525206, mi n=0.000 max=0.008 Jun 1 17:47:08.197 [29338] dbg: rules: ran eval rule __DC_IMG_TEXT_RATIO ====== > got hit (1) But there is no DC_IMG_TEXT_RATIO score. I test the same spam in other server and have DC_IMG_TEXT_RATIO score. I compare the debug log and can't see the difference. --barry