Text messaging with CF

Hi everyone and Happy New Year.

I've been exploring sending text messages with ColdFusion.  I currently have a simple system in place in which users submit their cell number and carrier to a database.  When it comes time to send a message, I combine the phone number with the carrier (i.e. 1234567890@vtext.com) and use a regular CFMAIL script to send.  It works, but it seems like when I'm sending bulk messages, the service is spotty (messages are delayed, don't arrive, etc.).  Has anyone found a way to do this that is fairly easy?  I've searched elsewhere, but the articles I've found seem a little too complicated for what I'm trying to do.

Thanks!