with 1Password 7 I decided to give your online service a try.
The issue is that I wasn't able to create an account for my intended email address – which has a .chat TLD.
Because I expected the TLD to be the issue, I switched to my gmail backup address, for which I received the confirmation mail and was able to finish the account setup.
Nevertheless attempting to change the email address within the account's settings to the .chat one, I'm still not receiving the obligatory 'confirmation mail'.
Can you therefore please check if the .chat TLD is blacklisted somewhere in your system, resulting in confirmation mails not being sent?
The confirmation mails weren't received (yes, I also checked spam) for the registration process via web browser nor for the registration form displayed via the 1Password 7 Mac App.
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