Turn off iMessage but it doesn’t work. There are still spam messages.

Antivirus first

Open Tencent Mobile Manager - Protection Monitoring - Virus Scanning - Settings - Stubborn Trojan Scanning

or intercept

Tencent Mobile Manager provides 4 interception modes for users to choose from. At the same time, you can also set personalized and customized interception modes according to your needs.

Tencent Mobile Manager’s harassment and harassment interception has been upgraded again, adding a scheduled interception function (iMessages from email addresses can also be intercepted)