[Exim] suspicious header

I am curious ... what is the "suspicious header"?????

On 6 Oct 99, at 17:46, exim-users-admin@??? wrote:

> Your mail to 'Exim-users' with the subject:
>

>     RE: [Exim] Exim Bulk Delivery Optimization?

>
> Is being held until the list moderator can review it for approval.
>
> The reason it is being held:
>

>     Suspicious header

>
> Either the message will get posted to the list, or you will receive
> notification of the moderator's decision.


Leonardo Boselli (NIT)
Dipartimento Ingegneria Civile
Universita` di Firenze
Via Santa Marta 3
I-50139 Firenze
+39()055-4796-431