[Mimedefang] action_bounce html mail

[-]

--- On Fri, 7/9/10, tonj <tonj at freeuk.com> wrote:
> > However, I use a custom header rule in sendmail, not MD, to reject such.
> 
> sounds good, would you kind enough to share it? I use sendmail too.

As requested:

# If one doesn't have the access table feature compiled in, then this
# rejects ALL html-mail.

define(`_NO_HTML_MSG_',`"554 HTML formatted mail not accepted here"')dnl
define(`_SPAMMER_MSG_',`"554 Spammer identified - Message killed."')dnl

HContent-Type: $>CheckContentType

LOCAL_RULESETS

SCheckContentType
R$@                     $#error $@ 5.6.0 $: "554 MIME Content-Type is empty!"
Rtext                   $#error $@ 5.6.2 $: "554 MIME Content-Type is incomplete"
R$*/x-msword$*          $#error $@ 5.6.1 $: "554 MIME type not supported here"
R$*/msdownload$*        $#error $@ 5.6.1 $: "554 MIME type not supported here"
R$*/x-msdownload$*      $#error $@ 5.6.1 $: "554 MIME type not supported here"
R$application/pdf$*     $#error $@ 5.6.1 $: "554 MIME type not supported here"
ifdef(`_ACCESS_TABLE_',`dnl
R$*text/html$*          $@ $>CheckContentHTML <?> <$&u>

SCheckContentHTML
R<?> <$+@$+>            $: $>F <$1@$2> <?> <+ HTML> <$1@$2>
R<?> <$+@$+>            $: $>U <$1@>   <?> <+ HTML> <$1@$2>
R<?> <$+@$+>            $: $>D <$2>   <NO> <+ HTML> <$1@$2>
R<$={Accept}> <$*>      $@ <$2>
R<ERROR:$+> <$*>        $@ $>ProcessError $1
R<DISCARD> <$*>         $#discard $: discard
R<QUARANTINE:$+> <$*>   $#error $@ quarantine $: $1
R<?> <$*>               $#error $@ 5.6.1 $: _NO_HTML_MSG_
R<NO> <$*>              $#error $@ 5.6.1 $: _NO_HTML_MSG_
R<REJECT> <$*>          $#error $@ 5.7.1 $: _SPAMMER_MSG_
R<<TMPF>> <$*>          $#error $@ 4.3.0 $: "451 Temporary system failure"
R<TMPF> <$*>            $#error $@ 4.3.0 $: "451 Temporary system failure"
R<$+> <$*>              $@ $>ProcessError $1
R$*                     $#error $@ 5.6.1 $: _NO_HTML_MSG_ ',`dnl
R$*text/html$*          $#error $@ 5.6.1 $: _NO_HTML_MSG_ ')dnl

# Changes any "550" in the access table to "554" for the SMTP DATA phase.

SProcessError
R$* 550 $*              $: $1 554 $2
R$- $-.$-.$- $+         $#error $@ $2.$3.$4 $: $1 $5
R$-.$-.$-:$+            $#error $@ $1.$2.$3 $: $4
R$*                     $#error $: $1
---------------------------------------------------------------------
And yes, people have spammed me with PDF files as the main body!