Is your email provider blocking our website provider?
*This solution is particularly relevant to Canadian users, for some reason
Your email provider may have blacklisted a range of email addresses that includes the server from which our emails are generated. This is a blunt instrument which catches the innocent (us) as well as the guilty.
Please contact their support team and ask them to add this IP address to their unblock list
If they want more evidence they can refer to this, which will show them that the IP address concerned is on no blocklist
Alternatively, if they can give us the relevant contact details, we could contact them directly.