Calomel add on for Firefox SSL validation tool
Security Unsafe - Unsecured www.theregister.co.uk
I don't think Calomel have come across your site, the email provider I use gets a clean bill of health.
Vivaldi.net, full scores across the board and being hosted from Oslo I doubt it goes anywhere near a US sever unless emailing to someone in the US.
Good rating from WOT.