Aaron de Bruyn
aaron at heyaaron.com
Fri Jan 20 14:28:39 UTC 2023
I guess SNPP is still a thing:
$ host snpp.att.net <http://snpp.att.net>
snpp.att.net <http://snpp.att.net> is an alias for snpp.att.unimobile.com <http://snpp.att.unimobile.com>.
snpp.att.unimobile.com <http://snpp.att.unimobile.com> is an alias for snpp-att.gmes.syniverse.com <http://snpp-att.gmes.syniverse.com>.
snpp-att.gmes.syniverse.com <http://snpp-att.gmes.syniverse.com> has address 184.108.40.206
$ telnet 220.127.116.11 444
Connected to 18.104.22.168.
Escape character is '^]'.
220 SNPP Gateway Ready
On Fri Jan 20, 2023, 02:24 PM GMT, Aaron de Bruyn <mailto:aaron at heyaaron.com> wrote:
> txt.att.net <http://txt.att.net> is returning MX records and those machines don't have port 444 open...
> Wouldn't you want to be sending something like a SNPP message instead? It's a much less convoluted delivery process and is almost real-time (no queuing).
> I guess it's been a decade or so since I've dealt with emergency services and paging...is SNPP even a thing anymore?
> I looked at some old code I wrote (https://github.com/darkpixel/snppsend/blob/master/more-providers <https://github.com/darkpixel/snppsend/blob/master/more-providers>), and it doesn't look like snpp.attws.net <http://snpp.attws.net> exists.
> On Fri Jan 20, 2023, 02:12 PM GMT, William Herrin <mailto:bill at herrin.us> wrote:
>> On Thu, Jan 19, 2023 at 8:09 PM Dan Walters via NANOG <nanog at nanog.org> wrote:
>>> Know this is a longshot, any chance anyone from the txt.att.net domain might be able to help us with what we believe is a blacklist block or possibly an outage?
>>> We deal with 911 cad dispatching and is affecting first responders so looking to see if there is a faster way to resolution.
>> Hi Dan,
>> As I understand it, txt.att.net is a low-volume courtesy service not
>> intended for important communications. A paid service like Twilio can
>> handle production-grade SMS delivery.
>> Bill Herrin
>> For hire. https://bill.herrin.us/resume/
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