X400: Originator/Recipient (O/R) Name Qualifiers

The information in this article applies to:

• Microsoft Mail Gateway to X.400, versions 2.1, 3.0 and 3.2

Here are the allowable characters for X.400 originator/recipient qualifiers, and the maximum length allowed for each value.

ALLOWABLE CHARACTERS

Name                     Graphic Representation
----                     ----------------------

Capital letters          A, B, ... Z

Small letters            a, b, ... z

Digits                   0, 1, ... 9

Space                    (space)

Apostrophe               '

Left parenthesis         (

Right parenthesis        )

Plus sign                +

Comma                    ,

Hyphen                   -

Full stop (period)       .

Colon                    :

Equal sign               =

Question mark            ?

O/R NAME QUALIFIERS

                                                Max-Length
Symbol      Value                               in octets
------      -----                               ----------

C=          Country Code                        2 if non-numeric,
                                                3 if numeric

A or ADMD=  Administrative Management Domain    16 octets

P or PRMD=  Private Management Domain           16 octets

O=          Organization                        64 octets

OUn=        Organizational Unit (n=1,2,3 or 4)  32 octets

S=          Surname                            40 octets

G=          Given Name                          16 octets

I=          Initials                            5 octets

Q=          Generation Qualifier                3 octets

DDA.Type=   Domain Defined Attribute Type       8 octets

DDA.Value=  Domain Defined Attribute Value      128 octets

X121=       X.121 Address                       15 octets

UA-ID=      User Agent Identifier               32 octets

T-ID=       Terminal Id                         24 octets

REFERENCES

CCITT Recommendation X.409 NIST Stable Implementation Agreements Part 7.