Use of QR codes in email phishing

Good thing I don't scan any QR Codes I don't trust or send to myself

There is some QR scanners made by kaspersky or trendmicro you can use if you have to scan a QR code. Also, you can use URLCheck before open any link before open it: https://f-droid.org/en/packages/com.trianguloy.urlchecker/