Re: Filter on

From: Dean Gaudet (no email)
Date: Wed Sep 24 1997 - 21:29:08 EDT

FWIW I too see this when attempting from one address, but not from
another. Both addresses are in MCI customer-owned ip blocks. Both
addresses have correct double-reverse lookups. It's more than just a bit
annoying ... especially when I receive mail from MCI's noc and cannot
reply to it unless I go through hoops to route it through another box.


On Wed, 24 Sep 1997, Kevin Houle wrote:

> On Wed, 24 Sep 1997 14:45:01 -0400 (EDT)
> Jared Mauch <> wrote:
> > Kevin.. it works if you give the proper machine name in the HELO
> MCI's iNOC pretty much confirmed there was a filter in place,
> as did the systems person I finally reached thanks to some
> key responses from this list. Probably a spam relay block of
> some kind. The '550 Access denied' reponse is that they use
> in their SMTP filters. was down for
> two hours and counting when I got them on the phone, so with
> local MCI users not being able to send mail, I was not a high
> priority :)
> At any rate, the 'HELO' statement is a result of
> host masquerading ( Same thing happens with a
> FQDN :
> 220 ESMTP Sendmail 8.8.5/8.8.5; Wed, 24 Sep 1997 15:16
> :25 -0400 (EDT)
> 250 Hello [], pleas
> ed to meet you
> 550 Access denied
> Kevin

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