[This is preliminary documentation and subject to change.]
| Common-Name=Post-Office-Box | Admin-Display-Name=Post-Office-Box |
| Admin-Description=Post-Office-Box | Object-Class=Attribute-Schema |
| Attribute-ID=2.5.4.18 | OM-Syntax=64 |
| Attribute-Syntax=String(Unicode) | LDAP-Display-Name=postOfficeBox |
| Multi-valued | System-Only=FALSE |
| Mapi-ID=\x3A2B | |
| Range 1 to 40 | |
| Schema-ID-GUID={bf9679fb-0de6-11d0-a285-00aa003049e2} | Comment=X.500. P.O. Box |