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Good Evening, <br />
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&nbsp; &nbsp; Sorry, you are having issues. &nbsp;But this may be the new reality. &nbsp;Many of the carriers have changed there SMTP gateways in many ways to &quot;protect&quot; the network from Spammers. &nbsp; &nbsp;<br />
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&nbsp; If your Domain, or your IP has been unlucky enough to end up on one of the various black list products out there this is exactly what you will see, they don't even bounce it back as they don;t want to help the spanner figure out the issues. &nbsp;<br />
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&nbsp; You might try just sending an email to number@vtext.com. &nbsp; Also you might try using a telnet session and just connect and walk through the prompts this might help. &nbsp;Lastly, if you have a log entry you can try to submit it to them, but most likely the answer is going to be find an SMS carrier to handle this for you and route the traffic reliability to the phones. <br />
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&nbsp; &nbsp;As an aside, my company does this for many Government agencies.
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question appears to be abandoned, selected best answer
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Good morning all, I have a small dilemma. We have a small forest in our environment and the Exchange server is in a child domain however the Exchange Domain reflects the Parent (root) domain, now this has been this way as long as I have been here, we started on Exchange 2007 and now have since upgraded to 2016. The issue we are having is some of the equipment in our lab relays alerts through our exchange to both various email domains like Yahoo, google, Comcast etc. as well as sending the emails to Verizon's vtext.com for converting emails to text to go to phone, since the upgrade everything works perfect EXCEPT the email to Text &quot;domains&quot; sprint, Verizon AT&amp;T all of them the email goes out of our network we can follow the traffic, but the people that should, never receive their text alerts, and to make matters worse I am getting no NDRs to give me any info what may be causing the issue. Any thoughts???
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Good morning all, I have a small dilemma. We have a small forest in our environment and the Exchange server is in a child domain however the Exchange Domain reflects the Parent (root) domain, now this has been this way as long as I have been here, we started on Exchange 2007 and now have since upgraded to 2016. The issue we are having is some of the equipment in our lab relays alerts through our exchange to both various email domains like Yahoo, google, Comcast etc. as well as sending the emails to Verizon's vtext.com for converting emails to text to go to phone, since the upgrade everything works perfect EXCEPT the email to Text "domains" sprint, Verizon AT&T all of them the email goes out of our network we can follow the traffic, but the people that should, never receive their text alerts, and to make matters worse I am getting no NDRs to give me any info what may be causing the issue. Any thoughts???

Exchange 2016 and wireless carriers email to text service.

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

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Email Clients

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.

Email Servers

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Cell Phones

A smartphone or smart phone is a mobile phone with an advanced mobile operating system that combines features of a personal computer operating system with other features useful for mobile or handheld use. They typically combine the features of a cell phone with those of other popular mobile devices, such as personal digital assistant (PDA), media player and GPS navigation unit. Most smartphones can access the Internet, have a touchscreen user interface, can run third-party apps, music players and are camera phones. Most Smartphones produced from 2012 onwards also have high-speed mobile broadband 4G LTE internet, motion sensors, and mobile payment mechanisms.

Smartphones

The term broadband commonly refers to high-speed Internet access that is always on and faster than the traditional dial-up access. Broadband includes several high-speed transmission technologies such as digital subscriber line (DSL), cable, fiber optics, wireless (for which there is a separate topic), satellite and broadband over powerlines (BPL).

Broadband

Telecommunication occurs when the exchange of information between two or more entities (communication) includes the use of technology. Communication technology uses channels to transmit information (as electrical signals), either over a physical medium (such as signal cables), or in the form of electromagnetic waves. The word is often used in its plural form, telecommunications, because it involves many different technologies.