Original release 20150615

2015-06-10: fexsrv: fixed warning with https and SIGCHLD
2015-05-16: fexsrv/dop: added active and passive redirect support
2015-05-12: fuc: fixed bug undefined subroutine end_html
2015-04-30: fex_cleanup: fixed bug runtime error with mtime (symlinks)
2015-04-24: fixed bug wrong quota calculation for uploads
2015-04-23: fex_cleanup: follow symbolic links if they contain a /
2015-04-22: fexsend: 60 s timeout for file transfer socket (sys)write
2015-04-22: fup: fixed bug fexsend hangs with SKEY or GKEY recipient URL
2015-04-02: fixed several severe bugs in install script
2015-04-01: group name may only contain (some) ASCII characters
2015-03-29: fop: fixed bug no more download from same (recipient) ip
2015-03-18: added local URL redirect service
2015-03-08: fup: fixed bug uninitialized value $address if alias address is
2015-03-08: used twice
2015-03-07: disallow email addresses starting with "-"
2015-03-07: fex_cleanup: do not terminate on sendmail error
2015-03-01: no file name in email subject if notification is encrypted
2015-02-28: fexsrv: restrict HTTP header to 64 kB ($bs) and POST (not fup) to
2015-02-28: 128 MB
2015-02-27: no more usage of CGI.pm at all
2015-02-25: fup: added $auth_hook
2015-02-24: fac(CGI): no more usage of CGI.pm
2015-02-18: fuc: fixed bug no gpg usage help
2015-02-17: fexsend: check SSLeay version and adjust SSL_verify_mode
2015-02-16: fup: save upload URL in spool
2015-02-16: in notification+reminder emails use same protocol for download URL
2015-02-16: like in upload
2015-02-08: rup: fixed various bugs (not working at all)
2015-02-05: fup: fixed bug cannot send to groups
2015-01-27: fup: set autodelete=no if sender == recipient
2015-01-27: (use case: provide download link for mailing lists)
2015-01-27: new fex.ph config variable $fex_yourself (default yes)
2015-01-25: fexsend: fixed bug cannot forward a file name with "&"
2015-01-21: main user is always first member of a new group
2015-01-21: substituted CGI::Carp with web error handler via PERLINIT environment