I posted about it earlier, but more and more providers seem to be blocking us (not us specifically, but any third-party site) from using their web gateways. I'm looking into getting alternate pathways set up (generally email gateways, when they exist, or maybe other web gateways, or whatever), but bear in mind that some of the current providers don't work - and it's not because we set them up wrong. They've since changed how they work and/or blocked us. So yes, please, let me know - but just bear in mind that if it was working before and stopped working - it's almost definitely because they changed something, not us. I've been adding new providers but not (until now) changing old ones.
The new release, whenever I finish, will fix a few of those problems, and may actually have one or two providers less if I can't get them all working. I'll do what I can. Anyone who's willing to help test, or has seen problems, please let me know.