On Jan 3 Fuzzy wrote:
>
> we're having a problem with some cracker using addresses
> harvested from whois and the "abuse/www/webmaster" with
> domains they get from the database. The mail appears to
> come from us but it cannot as the addresses are oneway incoming
> only.
>
> the subject is always
>
> "XXX templates"
[...]
Try with this at the end of your sendmail.mc
(don't forget to rebuild the sendmail.cf file and restart sendmail)
LOCAL_CONFIG
C{RejectSubject} XXX templates
LOCAL_RULESETS
HSubject: $>CheckSubject
SCheckSubject
R$={RejectSubject} $#error $@ 5.1.3 $: "554 Header error"
R$* $@ OK
-andrew
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