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

header  __FORGED_MUA_POSTFIX0	User-Agent =~ /Postfix/
header  __FORGED_MUA_POSTFIX1	X-Mailer =~ /Postfix/
meta	FORGED_MUA_POSTFIX	( __FORGED_MUA_POSTFIX0 || __FORGED_MUA_POSTFIX1 )
describe	FORGED_MUA_POSTFIX	Forged Postfix mua headers
score	FORGED_MUA_POSTFIX	1.0 # limit