In order for MightyText to function properly, it needs to set cookies.
See the instructions below for your browser.
Google Chrome:
1) In the Chrome address bar, enter this: chrome://settings/content
2) Make sure "Allow local data to be set (recommended)" is selected.
3) Make sure "Block third-party cookies and site data" is NOT checked, then click "Done".
4) Reload the MightyText Web App on your computer.
NOTE: If you don't want to allow cookies, to add an exception if you only want to allow MightyText, click "Manage Exceptions... ", and add the following Hostname Patterns: textyserver.appspot.com AND mighty-app.appspot.com AND mightytext.net. Set behavior to "Allow" for these exceptions
Firefox:
1) On the menu bar, click on the Firefox menu and select Preferences
2) Select the Privacy panel.
3) Set Firefox will: to Use custom settings for history.
4) Make sure Accept Cookies from sites, and, Accept third-party cookies boxes are checked
OR, to add an exception if you only want to allow MightyText, then click the Exceptions button, and add https://textyserver.appspot.com AND https://mighty-app.appspot.com and click Allow
5) Reload the MightyText web app
Safari:
Internet Explorer (IE9 and IE10)
1 - In IE, Click the Settings icon, then select Internet Options
2 - Select the Security tab
4 - Under "Add this website to the zone:", type in https://textyserver.appspot.com, then hit Add. Then, also add https://mightytext.net and https://mighty-app.appspot.com, and to this same list. Then hit Close, then OK. (please double check that you have typed in these URLS exactly, with the https)
6 - Restart the IE9 or IE10 browser, then Launch MightyText Web App