Not sure what you're talking about. You don't have to provide your ID and password to anyone.
It's been a long day, perhaps I'm missing something. Below are the instructions that were provided. It says to reply to the text with your Twitter ID and then reply again with your Password??
1. Text the word start to 40404.
2. You will receive a text asking for your username.
3. Reply to that text with your twitter username.
4. You will receive a text asking for your twitter password.
5. Reply to that text with your twitter password (passwords are case sensitive so be sure your phone doesn't capitalize the first letter).
6. You will receive a text stating that your password is correct and asking you to confirm text alerts.
7. Reply to that text with ok.
8. Now you are all set up to receive texts.
9. Lastly, reply to the last text with the text follow volnation
10. You will now receive a text stating that you will see our tweets on your phone.