Hi all
I created offline sms filter extention that simply replies .filter everything that came to it and it worked as expected on my iphone - I did not waited long for spam as it is common in my country.
Then I created another simple sms filter extention to test network deferral: what it does is tries to deferr all the messages to https://smskillerapp.com/sms service that I created for this. Also I put apple-app-site-assotiation and put it on the server as it says in video from wwdc. Here is my file btw: https://smskillerapp.com/apple-app-site-association
Network deferral haven't worked even once yet.
My question is whether network deferral is possible to test right now while ios 11 is in beta? Have anyone was able to see messages are coming from sms filter to your service?