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https://stackoverflow.com/questions/5868786/what-method-should-i-use-for-a-login-authentication-request
https://security.stackexchange.com/questions/147188/is-it-bad-practice-to-use-get-method-as-login-username-password-for-administrato
https://www.sitepoint.com/community/t/which-method-should-i-user-when-sending-login-credentials-to-server/117881
https://github.com/parse-community/parse-server/issues/4052
https://afterlogic.com/docs/webmail-lite/integration-and-development/sending-login-credentials-via-post
https://searchsoftwarequality.techtarget.com/tip/Why-use-POST-vs-GET-to-keep-applications-secure
https://developers.onelogin.com/api-docs/1/login-page/login-user-via-api
https://www.quora.com/How-does-a-POST-request-work
https://www.tutorialspoint.com/php/php_get_post.htm
https://books.google.de/books?id=GnjebqcvRNcC&pg=PA392&lpg=PA392&dq=is+login+get+or+post
https://www.w3schools.com/tags/att_form_method.asp
https://www.twilio.com/docs/usage/your-request-to-twilio