So I am having a lot of odd things happening on our Rackspace Cloud server. Rackspace support says its an issue with GF, and past support discussions on here always blame the host. So I'm lost here...
The default emails that WordPress generates for new comment notifications, new user registration notifications, etc all come through to my email account. However, GF submissions do not.
Why would this be happening?
I can get it to work when adding an SMTP plugin - but I hate adding plugins I don't need to.
I have also tried other contact form plugins on the same domain/server and they work fine (i.e. Formidable). So, this does appear to be a GF issue.