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kumo.reject(CODE, MESSAGE)

Calling kumo.reject will raise a lua error that will cause the current ESMTP event to respond with the SMTP error code and message that you specify.

kumo.on('smtp_server_mail_from', function(sender)
  kumo.reject(420, 'rejecting all mail, just because')
  -- this line is not reached
end)
Last update: 2023-02-25
Created: 2023-02-25