Some email to safe-mail.net is failing with the following error message:
TLS Negotiation failed: generic::failed_precondition: starttls error (0): protocol error
It appears that email services that support TLS negotiation may be unable to send to users of safe-mail.net
TLS Negotiation failed: generic::failed_precondition: starttls error (0): protocol error
It appears that email services that support TLS negotiation may be unable to send to users of safe-mail.net