Check your spam or junk folder. New senders often land there. If you find it, tap "Not spam" so the next one arrives in your inbox.

Search for an email from SDA Corner (hello@sdacorner.com) with the subject Your SDA Corner code. If your mail app sorts messages into tabs, such as Promotions, check those too.

Wait a minute or two, then tap Resend code. Make sure the address above is spelled right, or tap Use a different email.