header	     GB_FORGED_MUA_TBIRD	User-Agent =~ /^User-Agent\: Mozilla\/(.*) Thunderbird/
describe     GB_FORGED_MUA_TBIRD	Forged Thunderbird Mua

header       __FORGED_MUA_POSTFIX0	User-Agent =~ /Postfix/
header       __FORGED_MUA_POSTFIX1	X-Mailer =~ /Postfix/
meta	     GB_FORGED_MUA_POSTFIX	( __FORGED_MUA_POSTFIX0 || __FORGED_MUA_POSTFIX1 )
describe     GB_FORGED_MUA_POSTFIX	Forged Postfix mua headers
tflags       GB_FORGED_MUA_POSTFIX      publish
score	     GB_FORGED_MUA_POSTFIX	2.0 # limit