Just when you think everything is working fine, gmail increases its security to such levels that domain names like mine are blocked. If you are using gmail and have emailed me then it is perfectly possible that I have responded but gmail has blocked it and bounced it back.
This problem is increasing and driving me ever so slightly potty. Strange thing is that some gmail emails are no problem at all and others are like hitting your head against a brick wall.
After the bank holiday weekend (in UK) I will need to go back to the technical experts to see how I can sort this out once and for all.
Apologies if you are one of the teachers experiencing issues with this problem currently.