Yeah, I got those SMS.ac ones also along with the originals too. BAALEXANDEr, have you signed up for any SMS messaging on the internet or through any of your IMs? This was the site I found out I was on, and I believe it was something I had used a few years back with my I90:
http://www.sms.ac/HomePage/Default.aspx Hence the first par tof that addy... (SMS.AC)..... Check into it, you might have been added on someone elses list and didn't know.