I gave got F-secure on my iPad. I still get unsolicited emails on my inbox. Why does the spam filter not work?
Sorry for my reply.
But maybe because there missing spam filter? At least with F-Secure SAFE for iOS most likely there limitation about features (and spam filter missing); You able to re-check F-Secure Help/Documentation page there:
If it valid for your installation.
But if there should be any spam filter (as F-Secure solution's feature) - most likely that it can be with "certain" requirements about mail-clients.
At least - with Windows system not all mail-clients supported; And also filtering do not work with "webmail"-services.
Sorry for my reply - if I wrongly understand your ask.
Maybe someone with good experience about iPad comes to this topic and will respond with more useful words. Or with work days - there can be response from F-Secure Team.