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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 at 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 25
> Trying
> Connected to
> 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.