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Gmail, suddenly: TLS Negotiation failed, the certificate doesn't match the host

• chkal 7y ago
  Looks like Google is now validating the TLS certificate received from the mailserver. So the hostname of the SMTP server provided in the GMail settings has to match the certificate provided by the server. I just updated the hostname in GMail and the problem is fixed now!
  • yetkind 7y ago
    Yeah I also have similar problem, how did you solved it (
• marciokoko 7y ago
  So for godaddy, where the securesever.net domain is on the tls certificate, how do i configure my outgoing which used to be mydomain.com but now fails?
• tigger_please 7y ago
  My cert, and many others mentioned on that thread, have the proper CN. It is self-signed. Gmail seems to be randomly and intermittently rejecting it.