Looking for logging into the Postfix Protokolieren 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 Postfix Protokolieren site. After that you can login as usual with your login credentials.
https://serverfault.com/questions/732756/postfix-dovecot-how-to-view-smtp-auth-user-in-log-files
https://debianforum.de/forum/viewtopic.php%3Ff%3D8%26t%3D67231
http://www.google.de/url?url=http://www.nullpointer.at/2011/04/03/mail-log-versendete-mails-erfassen/