Looking for logging into the Imap4 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 Imap4 site. After that you can login as usual with your login credentials.
https://blogs.technet.microsoft.com/exchange/2004/03/31/understanding-login-strings-with-pop3imap/
https://docs.microsoft.com/ru-ru/exchange/clients/pop3-and-imap4/configure-imap4
https://serverfault.com/questions/889693/imap-how-to-login-with-auth-login-in-console-with-openssl
https://help.mail.ru/mail-help/mailer/popsmtp
https://ru.wikipedia.org/wiki/IMAP
https://tools.ietf.org/html/rfc2221
https://docs.python.org/2/library/imaplib.html
https://afterlogic.com/mailbee-net/docs/MailBee.ImapMail.Imap.Login_overload_1.html
https://support.google.com/mail/answer/7126229?hl=ru
https://jaapwesselius.com/2012/03/09/telnet-for-pop3-and-imap4/
https://core.tcl.tk/tcllib/doc/trunk/embedded/www/tcllib/files/modules/imap4/imap4.html
https://www.courier-mta.org/imap/tutorial.setup.html
https://support.office.com/en-us/article/imap-account-basic-settings-0a3f843d-d858-4527-ba0c-b57aeb83bf4e