Re: Not receiving mail from all domains

From: Denis McDowell [MSFT] (denismcd_at_online.microsoft.com)
Date: 05/18/04 

Date: Tue, 18 May 2004 06:58:33 -0400

What happens to the mail when it is sent? Can users in the remote domains
telnet to your server on port 25? It can take 72 hours for DNS changes to
propogate. 

-- 
Denis McDowell [MSFT]
"jdurand" <jdurand@softwaremedium.com> wrote in message
news:e27d01c43c52$00fc8330$a401280a@phx.gbl...
> History:
>
> My company changed ISP's over the weekend.  As a result,
> we were issued a new set of public IPs and I had to
> request that someone at the company who hosts our
> external DNS server make the necessary changes to the
> various host records.
>
> One of the changes was to the host record that is
> associated with our mail server.
>
> Problem:
>
> I'm receiving mail from some outside domains, but not
> from others.
>
> I asked someone from a domain that we can't receive mail
> from to try pinging our mail server
> (mail.softwaremedium.com) and it resolves to the
> appropriate IP, but it doesn't return ping communication.
>
> We are getting some mail though.
>
> Does anyone have any idea what is going on?

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