Template:Notes on Password Complexity

• must be at least 10 characters long,
• must not contain the user name,
• must not contain the product name MailStore, the comparison is done case insensitive,
• must not contain the same character more than two times in a row,
• must have characters from at least 3 out of 5 character classes. These 5 character classes are:
  • the upper case letters A-Z,
  • the lower case letters a-z,
  • the digits 0-9,
  • the special characters !"#$%&'()*+,-./:;<=>?\[]@^_`{|}~ and the space character,
  • characters that are neither upper case nor lower case, e.g. Chinese and Japanese characters.