Re: [exim] BCC filtering in system_filter.exim

--On 24 November 2008 12:50:22 +0800 WICA <support@???> wrote:

> Hello all,
>
>
>
> I have an email alias staff@??? that contains all the staff member
> email addresses of the company. However, only the company bosses
> eric@??? and john@??? are allowed to send email to
> staff@???.
>
>
>
> I've setup a message filter in system wide filter (system_filter.exim)
> like this:
>
>
>
>## staff@??? restriction:
>
> if $h_to:,$h_Cc: matches "staff@???" and ($h_from does not match
> "eric|john@???") then
>
> fail text "You are not allowed to send mail to this address"
>
> endif
>
>
>
> It works fine for rejecting normal staff members from sending messages to
> staff@??? using TO or CC. However if a normal staff sends email to
> staff@??? using BCC, my filter failed to work.
>
>
>
> Is there a way to stop people sending to staff@??? using BCC?
>

Yes.

You can use $local_part and $domain. The message headers don't necessarily
bear any relationship to the message recipients.

> Thank you.
>
>
>
> Regards,
> Will L



--
Ian Eiloart
IT Services, University of Sussex
x3148