X.500 Directory Service (X500)

This address type is based on CCITT Recommendations X.500 and the associated APIA - X/OPEN API specifications and the proposed annex to F.401, Annex F. The custom recipient address is in the following format:

[X500:/C=CountryCode/O=Organization/OU=OrganizationUnit/CN=CommonName]

The following field length limits apply:

Field	Length limit
CountryCode	2 characters
Organization	Up to 64 characters
OrganizationUnit	Up to 32 characters
CommonName

The following guidelines apply:

Labels can be uppercase or lowercase.
Delimiters are slash marks (/) and must be specified before the first value as well as between values.
Delimiters can be followed by a space.

An example of this address is:

[X500:/ c=US/ o=Microsoft/ ou=WGA/ cn=TedSt]