Out of curiousty... Can POP servers ban IPs/Domains based on incoming traffic?
If a host receives 1,000,000 e-mails from a single host in a day, can't it
be flagged as suspicious activity and rerouted to a temp account or dumped?
At 10:18 PM 11/13/00 -0500, you wrote:
> >> Our spam protection is basically not allowing any
> >> messages originating outside our network to be
> >> delivered to any domain not hosted on that VOPMail
> >> machine
>
>That spam protection won't help you if a spammer uses a dictionary list to
>send email. The most common type of spam right now is a dictionary attack on
>domains you host, not relaying to hosts you don't.
>
>meaning they will send hundreds of thousands of messages addressed like this
>
>[EMAIL PROTECTED]
>[EMAIL PROTECTED]
>[EMAIL PROTECTED]
>[EMAIL PROTECTED]
>[EMAIL PROTECTED]
>[EMAIL PROTECTED]
>
>And so on. One host I know routinely gets upwards of a million emails a day
>addressed like this. This is the greatest single threat to ISP's today. Most
>servers can't handle this.
>
> - Steve
>
>
>-----Original Message-----
>From: Justin Scott [mailto:[EMAIL PROTECTED]]
>Sent: Monday, November 13, 2000 5:15 PM
>To: CF-Talk
>Subject: Re: Mail Servers
>
>
>Interesting. I'll see if we can contact Sylvain and get something done
>about that if it really is a confirmed spam hole.
>
>Our spam protection is basically not allowing any messages originating
>outside our network to be delivered to any domain not hosted on that VOPMail
>machine. Since this is configured by IP address, the "from" address really
>isn't an issue in our configuration.
>
>-Justin Scott
>
>
>----- Original Message -----
>From: "Steve Pierce" <[EMAIL PROTECTED]>
>To: "CF-Talk" <[EMAIL PROTECTED]>
>Sent: Monday, November 13, 2000 1:14 PM
>Subject: RE: Mail Servers
>
>
> > Vopmail still has a problem with from lines of just a name and no domain.
> > Vopmail assumes the sender must be from the default domain and the server
> > and then will let it relay. That is a definite no-no. Thus it is very hard
> > to get VOPMail off the spam block lists.
> >
> > Vircom has been aware of the problem for some time, yet they have been
> > unwilling to do anything about it. I too have strongly recommended
>Vircom's
> > VOPMail in the past. But this recent discovery of a spam hole and lack of
>a
> > fix from Vircom over a known spam hole makes me question my past
> > recommendations.
> >
> > - Steve
> >
> >
> > -----Original Message-----
> > From: Justin Scott [mailto:[EMAIL PROTECTED]]
> > Sent: Monday, November 13, 2000 2:10 PM
> > To: CF-Talk
> > Subject: Re: Mail Servers
> >
> >
> > > Having problems with SMTP and hops.
> > > What mail server(s) does anyone recommend to work well with CF 4.5.
> > >
> > > Thanks for your time.
> >
> > I prefer VOPMail from Vircom myself. It handles just about whatever you
>can
> > throw at it very well, and has full database integration built in so you
>can
> > manage all your mailboxes via ODBC if you want.
> >
> > _______________________________________
> >
> > Justin Scott :: [Staff Developer]
> > http://www.annex.com
> >
> >
> > --------------------------------------------------------------------------
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>-=-=-
>SBG-Priority: 4 (Low) http://www.internz.com/SpamBeGone/
--
Michael She
I m a g i n e C o m m u n i c a t i o n s
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