Try this regex instead:/^http:\/\/geocities\.yahoo\.com\.br\b/i
hahaha, this worked - and it tagged that broken autoresponder we've been seeing.
boundary="--=ce94da72-0632-49d0-99bb-3f8c8149300b" X-Virus-Scanned: by amavisd-new at mailgate.pbp.net X-Spam-Status: Yes, score=9.704 tagged_above=-999 required=6 tests=[GEOCITIES_YAHOO=6.01, NO_REAL_NAME=0.55, SARE_SUB_BULK_EMAIL=0.144, VIRUS_WARNING395=3] X-Spam-Score: 9.704 X-Spam-Level: ********* X-Spam-Flag: YES :-D