paradoxsm: Fishtext spoof sender numbers.
Unfortunately one of the side effects of protecting our customers from Bulk SMS spam means services which do this, and use unauthorised routes to our network get blocked.
I will look into it. However as per my previous post raising the issue as a fault with the originator and in these cases the service provider is the correct way. We can try escalate the issues with them if this fails to get any traction..