550 permanent failure for one or more recipents

We are unable to email t-mobile phone numbers via email to text.  Here is the message:

This is an SMTP server at asp.reflexion.net

We are unable to email t-mobile phone numbers via email to text.  Here is the message:

This is an SMTP server at asp.reflexion.net

Your message could not be delivered to the following address: <XXXXXXXXXX@tmomail.net>

(Unified Log Code: 59869849358, 0001)

from <emailaddress@richfieldpd.us>

to <XXXXXXXXXX@tmomail.net>

d79033a.ess.barracudanetworks.com:209.222.82.162 failed after I sent the message. STARTTLS proto=TLSv1.2; cipher=ECDHE-RSA-AES256-GCM-SHA384.

Remote host said: 550 permanent failure for one or more recipients (XXXXXXXXXX@tmomail.net:blocked)

--- Below this line is a copy of the message.

Received: (qmail 10664 invoked from network); 26 Aug 2019 15:56:55 -0000

Received: from unknown (HELO rtc-sm-01.app.dca.reflexion.local) (10.81.150.1)

   by 0 (rfx-qmail) with SMTP; 26 Aug 2019 15:56:55 -0000

Received: by rtc-sm-01.app.dca.reflexion.local

         (Reflexion email security v9.26.0) with SMTP;

         Mon, 26 Aug 2019 11:56:55 -0400 (EDT)

Received: (qmail 16810 invoked from network); 26 Aug 2019 15:56:54 -0000

Received: from unknown (HELO mail.richfieldpd.us) (XXX.XXX.XXX.XXX)

   by 0 (rfx-qmail) with (AES256-GCM-SHA384 encrypted) SMTP; 26 Aug 2019 15:56:54 -0000

Received: from richfieldpd.us (XXX.XXX.XXX.XXX) by VOR-EX1.VOR.LOCAL

  (XXX.XXX.XXX.XXX) with Microsoft SMTP Server (version=TLS1_2,

  cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1779.2; Mon, 26

  Aug 2019 11:56:52 -0400

MIME-Version: 1.0

Date: Mon, 26 Aug 2019 11:56:52 -0400

Message-ID: <15A8BA9AB2842BE435FE87FBC06FDA5AAE659C5A@VOR0UTIL>

Content-Type: text/plain

Content-Transfer-Encoding: 7bit

X-Priority: 3 (Normal)

Received: from localhost (localhost[127.0.0.1]) by richfieldpd.us (PageGate) with SMTP id 2608191156520 for <XXXXXXXXXX@tmomail.net>; Mon, 26 Aug 2019 15:56:52 +0000

X-Mailer: PageGate Server 8.1

From: <emailaddress@richfieldpd.us>

To: <XXXXXXXXXX@tmomail.net>

Subject:

Return-Path: emailaddress@richfieldpd.us

X-Originating-IP: [XXX.XXX.XXX.XXX]

X-ClientProxiedBy: VOR-EX1.VOR.LOCAL (XXX.XXX.XXX.XXX) To VOR-EX1.VOR.LOCAL

  (XXX.XXX.XXX.XXX)