Thanks but I already did all that - I first noticed it a while ago when
people signing up on my site (and having to respond to a confirmation mail)
were complaining that they never received the confirmation mail - not all
people just a percentage. I tried manually emailing one of these email
addresses and got it bounced back with the following:-

X-AntiAbuse: This header was added to track abuse, please include it with
any abuse report
X-AntiAbuse: Primary Hostname -
X-AntiAbuse: Original Domain -
X-AntiAbuse: Originator/Caller UID/GID - [32116 32117] / [32116 32117]
X-AntiAbuse: Sender Address Domain -

and the subject Subject: Your E-Mail Did Not Make It. In other words mail
trashed. I checked with my web providers who checked and came back to me
saying they have checked and no they are not blackholed.

Maybe this was due to a temporary blackhole I dont know but this isnt my
only problem - there is a form mailer generator at my site and I keep
getting complaints from ppl who use it saying they never receive the mails
sent by the generated script - and this is when the scripts are using their
mail servers - to be sure its not a fault with the script I always test them
using a different email ad (to) and they work fine.

Because of these problems I have done quite a bit of reading about mail
filtering - one providers site actually stated that they will try to stop
mails that they think are sent by scripts. Trouble is these filters work in
different ways, content based filtering, header checking, using the services
of ppl like spamcop etc.

I was just wondering if there was anything I could do (with the header based
filters) to make emails more likely to get through.


----- Original Message -----
From: "Jon Haworth" <[EMAIL PROTECTED]>
To: "'Debbie Dyer'" <[EMAIL PROTECTED]>
Sent: Monday, September 30, 2002 4:37 PM
Subject: RE: mail headers & filtering

> Hi Debbie,
> [offlist, from php-general]
> > "More and more emails seem to be getting blocked
> > by mail filtering systems looking for spam (but
> > trashing legitimate mail at the same time).
> [snip]
> > I don't know if it arrived or if there were any
> > replies due to my own provider blocking my mails
> Your ISP may be listed in a block list such as SPEWS (,
> you may be running an open relay on your network that's found its way into
> similar list.
> You can check your mail servers' IPs by using the "blackhole list check"
> tool at Sam Spade:
> > do we just have to accept now that email can no
> > longer be relied upon as a means of communication?"
> You shouldn't have been doing this anyway, as it's not a reliable form of
> communication - if something's that important, send it through some sort
> recorded mail.
> Shout if you need any help.
> Cheers
> Jon

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