Yes the problems never "go away".. they just go away from me :) And I do
trust that a company managing an infrastructure of thousands of clients has
an incentive to do a good job keeping spam at bay for monetary reasons as
well as for bandwith/cpu conservation reasons.
On Sep 18, 2012 2:04 PM, "Chris Knadle" <[email protected]> wrote:

> On Tuesday, September 18, 2012 11:00:49 AM Sean Dague wrote:
> > On Tue, Sep 18, 2012 at 9:23 AM, Chris Knadle
> > <[email protected]>wrote: <snip>
> >
> > > Here are some statistics for my server for Sept 15 - 16 (these
> statistics
> > > are sent daily, via a Perl script that comes with the version of Exim4
> in
> > > Debian):
> > >
> > > mail rejection reasons by message count
> > > ---------------------------------------
> > >
> > >   Messages   Mail rejection reason
> > >        516   Rejected HELO/EHLO: syntactically invalid argument
> > >        378   Listed at <DNSBL location 1>
> > >         97   Msg rejected due to spam score
> > >         22   Rejected EHLO: non-FQDN HELO greeting
> > >         12   Rejected EHLO: raw IP address used in HELO/EHLO greeting
> > >         10   Rejected RCPT: Unrouteable address
> > >          7   Rejected EHLO: forged localhost
> > >          4   No email address in To: field
> > >          3   Listed at <DNSBL location 2>
> > >          3   Rejected RCPT: Sender verify failed
> >
> > So, I think here is part of the difference. My average reject count was
> > about 20,000 messages a day (strict filtering, greylisted, etc). Once the
> > fire hose gets big enough, the statistics do not go in your favor. :)
>
> I used to have a much higher rejection count; that comes and goes.  A
> higher
> message count wouldn't matter much.  [BTW in my current setup there are
> cases
> where connections can get closed that are not counted in the statistics,
> so I
> don't actually know how many email sending attempts there were.]
>
> > The other problem was some legitimate businesses are misconfigured so I
> was
> > rejecting legit invoice and shipping confirmation emails. The false
> > positives were really my personal down fall, because the moment you have
> to
> > start scanning your spam folder for real content, you've lost the battle.
>
> These problems don't simply go away when someone else hosts your mail --
> instead you're trusting that your host provider will deal with them better.
>
> I just realized: I don't have a "spam" folder.  Since I didn't miss it, I
> suppose that might mean I've gotten to the point where I don't need one, at
> least for the moment -- for however long that lasts.
>
> --
>
>   -- Chris
>
> Chris Knadle
> [email protected]
> _______________________________________________
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>
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