Genuine emails being sent to junk

why do my genuine emails keep getting sent to my junk folder? To be clear on this these are not the first emails I’ve received from a given sender. Often these emails are from email addresses I’ve added to my safe senders list. I’ve missed a couple of important emails because of this, I having to check my junk emails every day, I am having to mark between 3 and 5 emails as not junk every single day. Only to find the next day another email from the same sender goes to my junk folder.Clearly there is something very very wrong with outlook and the way it’s detecting junk email to be absolutely c