We have had a lot of issues getting all email providers to accept emails from us, particularly emails hosted by Apple ( icloud, me.com ) and a couple other services. Always make sure to check your spam folder for the e-mail. Sometimes Email providers ( icloud, me.com ) have unreasonably strict security rules on spam in place that make it hard for small business to send automated emails like verification links. We are very sorry for the inconvenience, but we'd ask you to try to use a different email address if you happen to be be using one of those email providers. You can still apply the email you used to buy Amigo/PullupMachine at billing on the checkout form to get your discount even though you register the account under a different email adress :)