Delivery Status Notification (Delay)

Delivery incomplete There was a temporary problem delivering your message to bounce@tweet.twitter.com. Gmail will retry for 47 more hours. You'll be notified if the delivery fails permanently.

The response was: TLS Negotiation failed: FAILED_PRECONDITION: starttls error (71): 8434146361344:error:1000012e:SSL routines:OPENSSL_internal:KEY_USAGE_BIT_INCORRECT:third_party/openssl/boringssl/src/ssl/ssl_cert.cc:605: