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Date: Mon, 29 May 2006 03:04:42 -0700
From: Garrett Cooper <youshi10@u.washington.edu>
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Subject: Re: Spam problem!
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Igor Robul wrote:
> On Thu, May 25, 2006 at 07:53:12AM -0700, Olga Zenkova wrote:
>   
>> mailboxes with field "To: user3" in it. There are no
>> user1 or user2 in this field. Is it possible to cut
>> off these letters? Especially it is difficult to
>> explain for user1 and user2 why they got letters
>> addressed not for them.
>>     
> Just show them Envelope-To: header in Outlook :-)
> At least my users can understand, that it is possible to write anything
> in various header.
>
> Also I use DSPAM (mail/dspam) for opt-in spam filtering and it works
> very well for users who care to train it.
>
> Plus I reject a lot of spam at incoming SMTP server.
>   
SMTP with SSL/TLS and authentication for a network works wonders.. 
blocks many unauthorized programs that utilize locally run SMTP servers 
(ie spyware, virii, etc).
-Garrett