Please try the following steps:
- 1. Ensure that the registration email address is correct.
- 2. Check any junk or spam folders in your inbox
- 3. Set up a whitelist of e-mail addresses and add the following as secure senders: service@whalefin.com.
- 4. Check if the recipient's mail server is able to receive and send mails properly.
- 5. Choose commonly used mailboxes such as Gmail, Outlook, etc.