No support for any authentication method message

nowki

• February 12, 2019 02:54

Hi, After replacing the new server, the message "There is no support for any authentication method supported by this client". Very special: The same smtp is set in win10 and can be sent successfully. Win7 returns "503 Valid RCPT command must precede DATA". Both are using outlook

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  nowki

  • February 12, 2019 08:50

  problem solved

  • have disabled the "Require clients to connect with SSL or issue the STARTTLS command before they are allowed to authenticate with the server." setting on the new server.

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  cPanelLauren

  • February 14, 2019 22:02

  Hello @nowki While that does resolve the immediate issue it doesn't resolve the cause of the inability to connect. Depending on which mail client you were using my assumption here is that the connection was being made using the no longer supported SSL protocol as opposed to TLS v1.2 I'd advise checking the exim main logs to confirm whether or not this is indeed the case though.

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