Created attachment 854684 [details]
log - output for both fetchmail 6.4 and fetchmail 6.3 using protocol "Auto" ...
see file attached:
Line 1 ... line 12 - installation of fetchmail-6.4
Line 17 ... line 31 - try to fetch email as usual
Line 35 ... line 36 - /etc/fetchmailrc / ~/.fetchmailrc (identical ...)
Line 41 ... line 45 - reinstall fetchmail-6.3
Line 48 ... End actually fetch email from securepop .... works flawlessly.