Problem Sending and Receiving Texts

I am having a problem. The majority of my text messages are not getting through, both those I send and those I should be receiving. I am in Mexico temporarily. I am connected to wifi at all times. The most recent text I attempted to send appeared to go out normally, but the recipient informs me that she did not receive it. The record that appears on my phone shows that the text was sent at 12:11 PM Mountain Time and next to the time of transmission appears a red triangle with an ! in the center and a picture of a paperclip which indicates an attachment was part of the text although I included no such attachment. My phone is a Moto G.

Can you help me with this problem?

See here for some troubleshooting steps

Troubleshooting Texting Issues

If you are on WiFi…and are open to alternative methods…you might want to consider an app such as

WhatsApp Messenger - Android Apps on Google Play

Both parties need to have the app to use it…but it works much better than regular SMS.

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