Allow email addresses to be marked trusted and download pictures automatically on trusted emails.
Claudiu Nitu commented
add option which allows the user to add an address to "trusted list" from the app, not only from the website. The legit emails keep coming to spam
Oscar Trejo Soria commented
In Outlook web, whenever you move a email from the spam directory to nonspam directory, an add "email as trusted email" option appears in the email when you open it again in the nonspam email.