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error SSL (Unknown protocol)

Discussion in 'E-mail Discussion' started by daemoncesar, Feb 8, 2018.

  1. daemoncesar

    daemoncesar Well-Known Member

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    I have several clients who can not get in touch. Here is the error:

    (SSL_accept): error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol
     
  2. cPWilliamL

    cPWilliamL cP Technical Analyst II
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    Hi @daemoncesar,
    Your client's are using outdated SSL protocols. Does the mail client support TLS? If so, please have them update the mail client settings to TLS. If their mail client doesn't support TLS, they really need to update. You can add the old SSL protocols at WHM > Service Configuration > Mailserver Configuration and WHM > Service Configuration >Exim Configuration Manager, but understand that this effectively weakens the security for all mail accounts on your server. Ideally, your client's should update.

    Thanks,
     
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