dnl
dnl проверка наличия 8-битных символов в ENVELOPE FROM
dnl
	# Only spammers use 8-bit envelope senders, and it violates
	# RFC 2821 to boot.
ifdef(`confCHECK_MAIL_8BIT', `ifelse(confCHECK_MAIL_8BIT, `REJECT', `dnl
	deny	senders		= \N^[^@]*[\x80-\xFF][^@]*\@.*\N
                message		= 8-bit characters not allowed in envelope sender (see RFC 2821, section 4.1.2)
		log_message	= 8-bit characters in envelope sender detected
')')
ifdef(`confCHECK_MAIL_8BIT', `ifelse(confCHECK_MAIL_8BIT, `WARN', `dnl
	deny	senders		= \N^[^@]*[\x80-\xFF][^@]*\@.*\N
                message		= X-Warn-8bit-Envelope: 8-bit characters not allowed in envelope sender (see RFC 2821, section 4.1.2)
		log_message	= 8-bit characters in envelope sender detected
')')