Author Topic: Different Identity sender  (Read 1259 times)

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Different Identity sender
« on: April 16, 2021, 07:23:29 PM »
Hello, I just realize If I add a different sender identification on the email user account in Thunderbird, It sending easily. This is a very big problem for me and I couldn't find a solution in the mail server configuration. Everyone can add different mail identity and send like big company as fake as... I am really nervous about it.

How is it possible to comes it as default to allow a different sender even if it is a different user or user is not exist?