Scammers often use fake unsubscribe emails (which can lead to further spam) to confirm valid email accounts.
For some time, spammers have been sending emails that simply ask if you wish to unsubscribe or subscribe. These emails do not explain what you are unsubscribing or subscribing to and are being used by spammers to verify if the recipient’s email is valid and susceptible to phishing scams and other malicious activity.
The “confirmation” emails use mail subjects, such as “We need your confirmation asap”, “Request , please confirm your unsubscription”, and “Verification.
