Apple Mail maintains its own independent block list for email addresses.
However, this method only shows you the most recent calls from blocked numbers. If you want to see all the numbers you've blocked, including the ones from older iOS versions, try the next method. how do you find blocked numbers on iphone
Emily was relieved that she could easily find and manage her blocked numbers. From now on, she felt more in control of her iPhone and her communication. Apple Mail maintains its own independent block list
The list is simple, unified for core Apple communication apps, and does not sync across other Apple devices. unified for core Apple communication apps