> What are the various merits of putting checks for black
> listed file extensions in acl_smtp_mime vs putting them in
> acl_smtp_data? Which way is faster?
>
> acl_check_mime:
> # File extension filtering.
> deny message = Blacklisted file extension detected ($found_extension)
> condition = ${if match \
> {${lc:$mime_filename}} \
> {\N(\.exe|\.scr|\.vbs|\.pif|\.bat|\.scr|\.lnk|\.com)$\N} \
> {1}{0}}
> acl_check_content:
> deny message = Blacklisted file extension detected
> ($found_extension)
> demime = scr:vbs:bat:lnk:pif:exe:com
I believe the main difference is that the "demime"
modifier is technically "deprecate" -- carried forward
for compatibility.
Do both of these work correctly for you?
(I am having some trouble with my similar tests.)
