Email sending do not work

[Tue]

Which FW do you have? You need to change secure = 'sslv23', to secure = 'tlsv1_2',

Where do I see FW version?

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Which FW do you have? You need to change secure = 'sslv23', to secure = 'tlsv1_2',

Lower left corner says Version 2.4.0 in my browser