- Danny Sinang
----------
> From: ntboy@mailhost.iconn.net
> To: ntisp@emerald.iea.com
> Subject: Re:
> Date: Sunday, December 07, 1997 7:10 PM
>
>
>
> On Sat, 6 Dec 1997, Danny Sinang wrote:
>
> > Just a tip here. I tried using the "Accept Only Local Mail" feature in
> > NTMail, which is similar to what Larry is suggesting. But if one of my
> > customers uses a "permanent" email address ( i.e. john@iname.com or
> > john@poboxes.com ) in their email's From clause, their email is treated
as
> > non-local - meaning they get rejected.
>
> If you're an ISP, you need to support relaying (to and from) for
> customers, while excluding non-customers (spammers, mailbombers).
>
> Then there is the issue of spam aimed at your domains and your child
> domains. You want to be able to block by domain, by email address,
> by network IP address, and host IP address.
>
> I dont't know which NT mail packages can do all of this -- The only one i
> know that will work for certain is sendmail. See...
> http://www.metainfo.com/products/sendmail/features.htm
> ...for details.
>
> Finally, you want to be able to give (or sell) spam filtering based on
> header content. If you use sendmail, you can define a program to do
> local delivery, and if that program (rexx perl exe) contains a spam
> filter, you can bounce 80 or 90 percent of all your spam. Makes for
happy
> users.
>
> > > the vermin they are :)
>
> Parasites.
>
>
>
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