[191068] in North American Network Operators' Group
RE: Email to text - vtext.com blacklisting ip
daemon@ATHENA.MIT.EDU (Ryan, Spencer)
Tue Aug 16 19:17:09 2016
X-Original-To: nanog@nanog.org
From: "Ryan, Spencer" <sryan@arbor.net>
To: Josh Luthman <josh@imaginenetworksllc.com>, Mike
<mike-nanog@tiedyenetworks.com>
Date: Tue, 16 Aug 2016 23:17:02 +0000
In-Reply-To: <CAN9qwJ-nH6gqrxy-K=GxKhbTzmzyC=8qA8AxO4DYvncxz5Dffg@mail.gmail.com>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
I agree. Pay Pager duty or a SMS gateway with a SLA. Relying on the free s=
ervice for anything critical is asking for trouble.
Sent from my Verizon, Samsung Galaxy smartphone
-------- Original message --------
From: Josh Luthman <josh@imaginenetworksllc.com>
Date: 8/16/16 6:09 PM (GMT-05:00)
To: Mike <mike-nanog@tiedyenetworks.com>
Cc: NANOG list <nanog@nanog.org>
Subject: Re: Email to text - vtext.com blacklisting ip
If it's critical I'd suggest a service than can depended on...
Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
On Aug 16, 2016 5:45 PM, "Mike" <mike-nanog@tiedyenetworks.com> wrote:
> Hi,
>
>
> I have a server that monitors my network and issues text messages if
> there are events of note that require human intervention. There is some
> process filtering that ensures it also is not able to issue more than 1
> alert maximum per 5 minutes, to ensure it doesn't flood pagers with
> messages all screaming the sky is falling when things are not going well.
> Recently however, this server is no longer able to deliver messages to
> vtext.com - it gets nothing but 554 errors:
>
>
> telnet 69.78.67.53 25
> Trying 69.78.67.53...
> Connected to 69.78.67.53.
> Escape character is '^]'.
> 554 txslspamp10.vtext.com
> Connection closed by foreign host.
>
> Granted on some days during challenging times it can send 30 or 40
> messages before we get to it and get it squelched / silenced, but it's
> otherwise reasonably well behaved IMHO and I don't think we are any heavy
> volume sender. So I am trying to figure out why it's blacklisted then and
> am rolling snake eyes. If anyone who is an admin for verizon or who has
> any insight to share I'd certainly appreciate it. Email to text is a
> critical function we depend on.
>
>
> Thank you.
>
>
>
