Some corporate email servers have very strong spam filters. If emails are going into spam contact your IT department to white list emails from priiiiz.com. There are also spam keyword triggers to avoid using in your email notifiers. They are: 1. Congratulations 2. Access 3. Winner, Win, Winning, Won, or, You are a Winner 4. Prize or Prizes 5. Now 6. Claim or Claims 7. Free 8. Here 9. Dear 10. Hello 11. Performance 12. Gift Certificate 13. Free offer 14. Access 15. For you 16. Please read 17. Phone Here is the full list of 394 spam trigger keywords Hubspot recommends not using in emails: https://blog.hubspot.com/blog/tabid/6307/bid/30684/the-ultimate-list-of-email-spam-trigger-words.aspx. This is good to know in general for any of the other keywords to avoid using in marketing emails blasts.