Kinda defeats the purpose of his customer paying him to do their IT work, does 
it not?


CH.

________________________________
From: AusNOG <ausnog-boun...@lists.ausnog.net> on behalf of James Hodgkinson 
<yale...@ricetek.net>
Sent: Wednesday, April 11, 2018 7:30:52 PM
To: Ross Wheeler; AusNOG@lists.ausnog.net
Subject: Re: [AusNOG] fortifiedserver.net ??

Tell the customer to call their supplier and tell them to make a complaint to 
THEIR supplier? Sounds like someone's cut-rate piece of junk service is causing 
troubles.

James

On Wed, 11 Apr 2018, at 17:29, Ross Wheeler wrote:
>
> Gentlemen (and ladies!) - I'm not often stuck with no idea which way to
> even begin... but I am this afternoon.
>
> I've a customer who has been trying to email a supplier of theirs, but the
> mail keeps bouncing back. It's not the usual fat-fingered address. When I
> started investigating it, I see the recipients email is handled by mx1 and
> mx2.fortifiedserver.net
>
> When I send an email (from a different domain to my customer) to the
> recipient I get an immediate bounce that says:
>
>       ----- Transcript of session follows -----
>    ... while talking to mx1.fortifiedserver.net.:
>    >>> RCPT To:<****@******.com.au>
>    <<< 550 Sorry, we do not accept connections from you.
>    550 5.1.1 <****@******.com.au>... User unknown
>    451 4.4.1 reply: read error from mx1.fortifiedserver.net.
>
>
> I've checked and my mailservers are not in any blacklist I can find.
> I've never been used as a spam relay, or origin of spam, the mail server
> reputation on everything I've been able to find is "good". Yes, I have
> proper RDNS etc and have had for decades.
>
> Both http://fortifiedserver.net/ and https://fortifiedserver.net/ are a
> waste of time.
> whois fortifiedserver.net doesn't return anything useful.
> Google isn't returning anything helpful or relevant.
>
> Anyone got any bright ideas?
>
> R.
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