In order to ensure that all e-mails containing your account's login information and other relevant important information to be easily located in your primary inbox, we suggest you to "safe-list" our emails in your Protonmail account.
- Click on Settings.
- Go to Filters.
- Click Add.
- Type our email inside the box: email@example.com
- Click Save.
After doing the above, incoming emails from the same recipient will no longer end up in the Spam folder.