Hello, Am 2010-03-10 13:37:20, schrieb Dennis B. Hopp: > We seem to be having a problem where clients that we interact with > regularly are having their hotmail/gmail/yahoo accounts hijacked. We > are receiving e-mails from their accounts that legitimately go through > the correct servers (hotmail,yahoo, etc.) and so they get passed through > our spam filters. The messages have different bodies but basically say > the same thing that they were on vacation and had all their money stolen > so they need to have money wire transferred to them. > > Obviously we just have to tell the clients that they need to deal with > the various e-mail providers, but is there an effective way that I can > filter these messages out before my users see them without blacklisting > the address? In one case I had probably 15 users that received the same > message and naturally they freaked out.
I have such problem too, but because spam is filtered in the users
account from procmail include, I use a global procmail include which
check for such problems, speak, I use a global SA installation with
striped down checks plus some additional procmail recipes and after this
is passed, it goes to the "second stage" into the uses account.
If I detect this on "legitimate domains" the user and <abuse> will be
informed through an automated bounce.
Note: I have on the domain <tdwave.net> arround 2000 users and if
I do not automated spam processing, I have to look manualy
at more the 180.000 spams per day. => ~2 mesage per seond.
Thanks, Greetings and nice Day/Evening
Michelle Konzack
Systemadministrator
24V Electronic Engineer
Tamay Dogan Network
Debian GNU/Linux Consultant
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