"Greetings" -- sendmail block

[Remco Barendse]

Would this also work for blocking the Delivery Status Notifications like
Read Receipt and similar messages?

Or would this start a war between the linux mail gateway and the exchange
server resulting in tons of messages bouncing back and forth?

On Fri, 25 Oct 2002, Julian Field wrote:

> In case you want to block this with sendmail, so that it never gets in to
> your site in the first place, this will do the job in your sendmail.cf file:
>
> HSubject: $>Check_Subject
> D{FriendPat}you have an E-Card from
> D{FriendMsg}This message is probably a nasty E-Card.
> SCheck_Subject
> R$* ${FriendPat} $*             $#error $@ 5.7.1 $: ${FriendMsg}
>
> Remember that the whitespace before "$#error" has to be tabs and not spaces.
>
> If you want to expand the list of subjects, just make more pairs of "D"
> lines to set the patterns and messages, and add a new R line for each one.
>
> At 17:18 25/10/2002, you wrote:
> >At 17:06 25/10/2002, you wrote:
> >>On Fri, 25 Oct 2002, Julian Field wrote:
> >> > Would people prefer
> >> > 1) Replace the content of messages containing "nasty" headers such as
> >> this,
> >> > as if it was a virus
> >> > 2) Just flag is as spam and handle according to the normal "Spam Actions"
> >> > ?
> >> >
> >> > I'm writing (1) at the moment, but it just occurred to me that (2)
> >> might be
> >> > better.
> >> >
> >> > Your votes please...
> >>
> >>This is mere speculation and may be impractical, but...
> >>
> >>How about making the behaviour (currently a proposed two-list of
> >>"virus-like" or "spam-like") somehow selectable by the sys.admin.??
> >
> >How did I know that someone was about to say that...
> >:-)
> >
> >I'm going to go with the SpamAssassin solution for now, it means less work
> >for me and I've had a long week. More brandy needed....
> >--
> >Julian Field                Teaching Systems Manager
> >jkf at ecs.soton.ac.uk         Dept. of Electronics & Computer Science
> >Tel. 023 8059 2817          University of Southampton
> >                             Southampton SO17 1BJ
>
> --
> Julian Field                Teaching Systems Manager
> jkf at ecs.soton.ac.uk         Dept. of Electronics & Computer Science
> Tel. 023 8059 2817          University of Southampton
>                              Southampton SO17 1BJ
>
>


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