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TLS 1.2 outbound SMTP?

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  • TLS 1.2 outbound SMTP?

    When sending mail via outbound SMTP, can anyone confirm that the TLS level is 1.2?
    I could not find this in the documentation.

  • #2
    Can you explain what you mean when you say TLS 1.2 outbound SMTP ? Usually, Mail Server with SSL certificate is also responsible for connection.
    Last edited by AlexAv; 07-30-2020, 05:08 PM.

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    • #3
      Because we make use of Office 365, it is important that the TLS level is at least 1.2. Since microsoft is going to depreciate TLS levels 1.0 & 1.1 soon: https://docs.microsoft.com/en-us/mic...o365-worldwide

      So we need to know how Espo sends its emails and what TLS level is used.
      How to prepare to use TLS 1.2 for all client-server and browser-server combinations in Office 365 and Office 365 GCC after support for TLS 1.0 and 1.1 is disabled.

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      • #4
        TLS 1.2 is supported. But it's not EspoCRM, but your environment is responsible on a protocol version that will be used. It's unlikely that your env does not support 1.2.

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