dnl
dnl проверка соответсвия расширения файла аттачмента CLSID'у
dnl
dnl http://www.exim.org/pipermail/exim-users/Week-of-Mon-20040105/064659.html
dnl http://www.geocities.com/floydian_99/invisible.html
dnl http://www.exim.org/pipermail/exim-users/Week-of-Mon-20040105/064696.html
dnl http://exim.got-there.com/forums/viewtopic.php?t=463
dnl
dnl доступно с exiscan-acl-4.30-16
dnl NO		- не проводить проверку
dnl WARN	- вывода в лог файл предупреждения
dnl REJECT	- возврата клиенту кода 5xx
dnl define(`confCHECK_CLSID', `NO')dnl
dnl
	# CLSID hidden extension
ifelse_strstr(confCHECK_CLSID, `REJECT', `dnl
	deny	! hosts		= +relay_from_hosts
		! authenticated	= *
		condition	= ${if eq{${extract{abuse_or_postmaster}{$acl_m_wl_flag_msg}}}{1}{no}{yes}}
		condition	= ${if match {$mime_filename}\
				{\N\{[a-hA-H0-9-]{25,}\}\N}{yes}{no}}
		message		= Blacklisted extension (CLSID) (${message_id})
		logwrite	= original recipients: $recipients
	warn	condition	= ${if match {$mime_filename}\
				{\N\{[a-hA-H0-9-]{25,}\}\N}{yes}{no}}
		log_message	= Blacklisted extension (CLSID)
		add_header	= X-Warn-Extention: Blacklisted extension (CLSID)
')
ifelse_strstr(confCHECK_CLSID, `WARN', `dnl
	warn	condition	= ${if match {$mime_filename}\
				{\N\{[a-hA-H0-9-]{25,}\}\N}{yes}{no}}
		log_message	= Blacklisted extension (CLSID)
		add_header	= X-Warn-Extention: Blacklisted extension (CLSID)
')