Researcher found that scammers user fake ‘unsubscribe’ spam emails, ask the receivers if they want to subscribe or unsubscribe their email, to confirm whether the email is valid, for their future phishing and spam campaigns. Staff of NGOs may receive this kind of scam email, which may possibly be a risk of NGOs. We should educate staff not to open, click and reply these emails.
For details, please visit the below link:
https://www.bleepingcomputer.com/news/security/watch-out-these-unsubscribe-emails-only-lead-to-further-spam/?&web_view=true