[AusNOG] fortifiedserver.net ??

[James Hodgkinson]

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.
> _______________________________________________
> AusNOG mailing list
> AusNOG at lists.ausnog.net
> http://lists.ausnog.net/mailman/listinfo/ausnog