this is the whole acl rule
acl_check_mime:
accept hosts = :
# --- accept messages for abuse / postmaster
accept condition = $acl_m_pm
deny decode = default
condition = ${if >{$mime_anomaly_level}{1}}
message = This message contains a MIME error ($mime_anomaly_text)
# --- Check MIME boundary delimiter according RFC2046
deny condition = ${if match{$mime_boundary}{\N( |\t)$\N}}
message = MIME boundary delimiter ends with whitespace
deny condition = ${if >{${strlen:$mime_boundary}}{70}}
message = Too long MIME boundary delimiter
deny condition = ${if match{${lc:$mime_filename}}{\N(\.com|\.vbs|\.bat|\.pif|\.scr|\.exe|\.js|\.mpeg|\.wmv|\.wav|\.wmp|\.asf|\.zip|\.rar|\.mpg|\.bmp)$\N}}
message = Nie obslugujemy tych zalacznikow
accept authenticated = *
warn !hosts = +relay_from_hosts
condition = ${if >{$mime_anomaly_level}{0}}
set acl_c0 = ${eval:$acl_c0+20}
set acl_c1 = DEMIME(20) found MIME error ($mime_anomaly_text); $acl_c1
accept
