Looking for logging into the Google Groups Required 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 Google Groups Required site. After that you can login as usual with your login credentials.
https://support.google.com/groups/answer/1067205?hl=de
https://productforums.google.com/d/msg/gmail/jSvdLyCXTwo/mbnYpP6EEQAJ
https://www.raggett.net/guides/accessing-a-google-group/
https://sites.google.com/site/tomihasa/google-groups-faq
http://wildlife.org/wp-content/uploads/2016/02/googlegroupsguidenewengland.pdf
https://gsuite.google.de/learning-center/products/groups/get-started/
https://groups.google.com/d/topic/google-content-api-for-shopping/F5-CNNMkhDU
https://groups.google.com/d/topic/gmail-users/XsZNYLUnAps
https://www.wikihow.com/Create-a-Google-Group
https://smana.org/wp-content/uploads/2017/04/Screen-captures-of-how-to-join-without-a-gmail-address.pdf
https://groups.google.com/d/topic/google-content-api-for-shopping/tXKchNUIuYI
http://www3.ha.org.hk/hkwc/ppi/prb/Google%20Group%20Q&A.pdf
https://www.kennasecurity.com/widespread-google-groups-misconfiguration-exposes-sensitive-information/