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woon minika
Asked: 2021-07-30 15:43:56 +0800 CST

Why Nginx Mail Module encoded '%' to %25 in Auth-Pass header?

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I do the test with the special character password below

~`!@#$%^&*()-_+={}[]|\/:;"'<>,.?

And I realised nginx mail module encoded the % to %25, but the rest of the special character are fine, is it pre encoded from mail client level ?

 *3653 http header: "Auth-Pass: ~`!@#$%25^&*()-_+={}[]|\/:;<>,.?" 
 *3653 http proxy header: "Auth-Pass: ~`!@#$%25^&*()-_+={}[]|\/:;<>,.?"
email nginx

1 Answers

  1. Best Answer

    After a while,

    I decided to research this module, just realize it's only supports PLAIN_TEXT at the moment.

    I will just enabled PLAIN_TEXT authentication will do the trick.

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