Looking for logging into the Typo3 Fe Manager Email As User Name site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Typo3 Fe Manager Email As User Name site. After that you can login as usual with your login credentials.
https://docs.typo3.org/typo3cms/extensions/femanager/1.0.6/manual.html
https://docs.typo3.org/typo3cms/extensions/femanager/Introduction/Index.html
https://docs.typo3.org/typo3cms/extensions/femanager/FAQ/Index.html
https://www.typo3.net/forum/thematik/zeige/thema/119944/
https://stackoverflow.com/questions/44069687/typo3-fe-user-how-login-user-via-php-code
https://github.com/TYPO3-extensions/femanager/blob/master/Documentation/Installation/Index.rst
http://jweiland.net/uploads/media/TYPO3_Security_Guide_01.pdf
https://www.wacon.de/typo3-know-how/anpassen-der-felogin-extension.html
http://www.ease3.org/documentation/ease3_added_features/fe_login_with_username_or_email_address.html
https://wwagner.net/typo3/typo3-tutorial-teil-50-frontend-benutzerregistrierung/
https://de.wikipedia.org/wiki/TYPO3
https://t3n.de/magazin/typo3-mvc-konzept-extension-entwicklung-neu-durchdacht-219750/3/
http://xavier.perseguers.ch/tutoriels/typo3/articles/ldapactive-directory.html