Are you sending this to yourself or are you sending this to someone else.
That number has been blocked from anyone sending an email to that SMS address.
If this is a number you control you can go here to change the settings (if its your first time you might have to register). If its not your number and you know the person you can ask them if they will change the setting:
Thank you for taking the time to post your inquiry. I'm happy to see that Planet-Ed was able to provide you with some assistance. Thanks Ed for you help. Please feel free to open a new thread should you need further assistance. Thank you.
Remember to always mark items that you find useful as "Accepted Solutions”, you caneven mark multiple posts in a single thread. This will help other users find this information too!!