> Date: Sunday, October 18, 2020 16:07:24 -0400
> From: Joey J <[email protected]>
>
> Hello all,
>
> I'm trying to understand why this is telling me host not found.
> On that same server if I nslookup the ip it does resolve.
>
> Oct 18 16:00:51 mgw postfix/smtpd[24119]: NOQUEUE: reject: RCPT from
> unknown[199.5.50.180]: 450 4.7.1 <br2.vw.com>: Helo command
> rejected: Host not found; from=<[email protected]>
> to=<[email protected]> proto=ESMTP helo=<br2.vw.com>
There doesn't appear to be an A or MX record for "br2.vw.com".
