Check if you can connect to APNS SERVER using openssl:

openssl s_client -connect gateway.sandbox.push.apple.com:2195 -cert /etc/pushd/apns-cert.pem -key /etc/pushd/apns-key.pem

At the end if you can connect to the APNS server you would see Verify return code: 0 (ok). Finally press CTRL+C to go outside of
response.

#pushd #openssl #apns #push