Index: rules/20_vbounce.cf
===================================================================
--- rules/20_vbounce.cf	(revision 1190346)
+++ rules/20_vbounce.cf	(working copy)
@@ -136,10 +136,14 @@
 
 header   __BOUNCE_AUTO_REPLY Subject =~ /\b(automatic reply|AutoReply)\b/
 
+ifplugin Mail::SpamAssassin::Plugin::VBounce
+
 meta BOUNCE_MESSAGE         __HAVE_BOUNCE_RELAYS && (!__MY_SERVERS_FOUND && !ALL_TRUSTED && !__NONBOUNCE_READ_RECEIPT && (__BOUNCE_FROM_DAEMON || (__BOUNCE_RPATH_NULL && !__BOUNCE_READ_NOTIFICATION) || __BOUNCE_RPATH_MD || __BOUNCE_AUTO_GENERATED || __BOUNCE_Y_AUTOGEN || __BOUNCE_SYMANTEC || __BOUNCE_X_ERR_STAT || __BOUNCE_RETURNED || __BOUNCE_MAILDELFAIL || __BOUNCE_MSGDELFAIL || __BOUNCE_ESMTP || __BOUNCE_OOO_2 || __BOUNCE_NEVER_SEE || __BOUNCE_NONWORKING || __BOUNCE_UNDELIVERABLE || __BOUNCE_UNDELIVERABLE_ML || __BOUNCE_NOTDEL || __BOUNCE_CTYPE || __BOUNCE_DEL_FAIL || __BOUNCE_STAT_FAIL || __BOUNCE_ADDR_ERR || __BOUNCE_NO_VAL || __BOUNCE_DATA_FORMAT || __BOUNCE_COULD_NOT || __BOUNCE_UNDEL_MSG || __BOUNCE_OOO_H1 || __BOUNCE_OOO_H2 || __BOUNCE_OOO_H3 || __BOUNCE_RPATH_ERRMAIL || __BOUNCE_OOO_3 || __BOUNCE_INTERSCAN || __BOUNCE_ETRUST || __BOUNCE_AUTO_RESPONSE || __BOUNCE_AUTO_RESPOND || __BOUNCE_NO_RESEND || __BOUNCE_NOTIF || __BOUNCE_RET_MAIL || __BOUNCE_DEL_FAIL || __BOUNCE_MAIL_DEL_FAIL || __BOUNCE_AUTO_REPLY))
 
 describe BOUNCE_MESSAGE     MTA bounce message
 
+endif
+
 # ---------------------------------------------------------------------------
 # Challenge/Response bounces
 
@@ -186,12 +190,17 @@
 header __CRBOUNCE_BLOCKED   Subject =~ /^\*\*Message you sent blocked by our bulk email filter\*\*$/
 
 meta __CHALLENGE_RESPONSE     __CRBOUNCE_UOL || __CRBOUNCE_VERIF || __CRBOUNCE_RP || __CRBOUNCE_VANQ || __CRBOUNCE_HEADER || __CRBOUNCE_QURB || __CRBOUNCE_0SPAM || __CRBOUNCE_GETRESP || __CRBOUNCE_TMDA || __CRBOUNCE_ASK || __CRBOUNCE_EXI || __CRBOUNCE_PREC_SPAM || __CRBOUNCE_SZ || __CRBOUNCE_SPAMLION || __CRBOUNCE_MIB || __CRBOUNCE_SI || __CRBOUNCE_UNVERIF || __CRBOUNCE_RP_2 || __CRBOUNCE_BLOCKED || __CRBOUNCE_SPAMARREST
+
+ifplugin Mail::SpamAssassin::Plugin::VBounce
+
 meta CHALLENGE_RESPONSE      __MY_SERVERS_FOUND && __CHALLENGE_RESPONSE
 describe CHALLENGE_RESPONSE  Challenge-Response message for mail you sent
 
 meta CRBOUNCE_MESSAGE       !__MY_SERVERS_FOUND && __CHALLENGE_RESPONSE
 describe CRBOUNCE_MESSAGE   Challenge-Response bounce message
 
+endif
+
 # ---------------------------------------------------------------------------
 # "Virus found in your mail" bounces
 
@@ -295,10 +304,14 @@
 
 header __VBOUNCE_PT_BLOCKED   Subject =~ /^\*\*\*\s*Mensagem Bloqueada/i
 
+ifplugin Mail::SpamAssassin::Plugin::VBounce
+
 meta VBOUNCE_MESSAGE        !__MY_SERVERS_FOUND && (__VBOUNCE_MSGLABS || __VBOUNCE_EXIM || __VBOUNCE_GUIN || __VBOUNCE_CISCO || __VBOUNCE_SMTP || __VBOUNCE_AOL || __VBOUNCE_DUTCH || __VBOUNCE_MAILMARSHAL || __VBOUNCE_MAILMARSHAL2 || __VBOUNCE_NAVFAIL || __VBOUNCE_REJECTED || __VBOUNCE_PROBLEME || __VBOUNCE_NAV || __VBOUNCE_MELDING || __VBOUNCE_VALERT || __VBOUNCE_REJ_FILT || __VBOUNCE_YOUSENT || __VBOUNCE_MAILSWEEP || __VBOUNCE_SCREENSAVER || __VBOUNCE_DISALLOWED || __VBOUNCE_FROMPT || __VBOUNCE_WARNING || __VBOUNCE_DETECTED || __VBOUNCE_INTERSCAN || __VBOUNCE_VIOLATION || __VBOUNCE_ALERT || __VBOUNCE_NAV2 || __VBOUNCE_NAV3 || __VBOUNCE_INTERSCAN2 || __VBOUNCE_INTERSCAN3 || __VBOUNCE_ANTIGEN || __VBOUNCE_LUTHER || __VBOUNCE_AMAVISD || __VBOUNCE_AMAVISD2 || __VBOUNCE_SCANMAIL || __VBOUNCE_DOMINO1 || __VBOUNCE_DOMINO2 || __VBOUNCE_RAV || __VBOUNCE_GSHIELD || __VBOUNCE_ATTACHMENT0 || __VBOUNCE_AVREPORT0 || __VBOUNCE_SENDER || __VBOUNCE_MAILSWEEP2 || __VBOUNCE_MAILSWEEP3 || __VBOUNCE_CLICKBANK || __VBOUNCE_FORBIDDEN || __VBOUNCE_MMS || __VBOUNCE_QUOTED_EXE || __VBOUNCE_MAJORDOMO_HELP || __VBOUNCE_AV_RESULTS || __VBOUNCE_EMVD || __VBOUNCE_UNDELIV || __VBOUNCE_BANNED_MAT || __VBOUNCE_NAV_DETECT || __VBOUNCE_DEL_WARN || __VBOUNCE_MIME_INFO || __VBOUNCE_EMAIL_REJ || __VBOUNCE_CONT_VIOL || __VBOUNCE_SYM_AVF || __VBOUNCE_SYM_EMP || __VBOUNCE_ATT_QUAR || __VBOUNCE_SECURIQ || __VBOUNCE_VIR_FOUND || __VBOUNCE_EMANAGER || __VBOUNCE_JMAIL || __VBOUNCE_GWAVA || __VBOUNCE_GWAVA2 || __VBOUNCE_PT_BLOCKED || __VBOUNCE_INFLEX || __VBOUNCE_INF_ATTACH || __VBOUNCE_STRIP_ATTACH || __VBOUNCE_BITDEFENDER)
 
 describe VBOUNCE_MESSAGE    Virus-scanner bounce message
 
+endif
+
 # ---------------------------------------------------------------------------
 
 # a catch-all type for all the above