Source: http://www.abclinuxu.cz/datove-schranky/poradna/show/280456

Box ID: ir3dqui
Login: nn9ibp
Password: Ab123456

Box ID: 4cmdqu8
Login: 8i4b3j
Password: Ab123456

Box ID: mw7dqvw
Login: jrfh7i
Old password: Ab123456
Old password: Ac123456
Password reset to unknown value.

Box ID: ga2dqwf
Login: 5s59sd
Old password: Ab123456
Old password: Ac123456
Password: Ad123456