The Mailbox object class is exposed through LDAP as the "organizationalPerson" object class. This class represents an object that contains mail storage in the Microsoft Exchange Server system. One critical attribute on a Mailbox object is Assoc-NT-Account, which contains the security identifier (SID) of the Windows NT account that has access to the mailbox. Mailbox (organizationalPerson) Attributes
The following table describes many of the commonly used attributes present on the organizationalPerson object class.
LDAPName |
Microsoft Exchange name |
Man-datory |
Heur-istics |
ACL |
Syntax |
Comment |
mailPreferenceOption | Delivery-Mechanism | Y | 4 | 1 | Integer | Mechanism by which this mailbox receives mail (should be set to zero) |
personalTitle | Personal-Title | N | 3 | 2 | String(Unicode) | Personal title (such as Mr. or Mrs.) |
Assoc-NT-Account | Assoc-NT-Account | N | 12 | 1 | String(Octet) | Primary Windows NT account associated with this mailbox |
street | Street-Address | N | 12 | 1 | String(Unicode) | Physical street address |
generationQualifier | Generation-Qualifier | N | 13 | 1 | String(Unicode) | Generation qualifier, such as Sr., Jr., IV |
houseIdentifier | House-Identifier | N | 13 | 1 | String(Unicode) | Building within a location |
Company | Company | N | 18 | 1 | String(Unicode) | Company of the mailbox owner |
department | Department | N | 18 | 1 | String(Unicode) | "Department" of this recipient |
givenName | Given-Name | N | 18 | 1 | String(Unicode) | First name (given name) of the mailbox owner |
internationalISDNNumber | International-ISDN-Number | N | 18 | 1 | String(Numeric) | ISDN number associated with the mailbox |
manager | Manager | N | 18 | 1 | Object(DS-DN) | "Manager" of this recipient |
physicalDeliveryOfficeName | Office | N | 18 | 1 | String(Unicode) | (for example, "1/1061") |
sn | Last Name | N | 18 | 1 | String(Unicode) | Last name (surname) of the mailbox owner |
st | State-Or-Province-Name | N | 18 | 1 | String(Unicode) | State or province in which the user is located |
teletexTerminalIdentifier | Teletex-Terminal-Identifier | N | 18 | 1 | String(Octet) | |
title | Title | N | 18 | 1 | String(Unicode) | Business title of the mailbox owner |
x121Address | X121-Address | N | 18 | 1 | String(Numeric) | |
Telephone-Office2 | N | 18 | 2 | String(Unicode) | Office phone number (2) of the mailbox owner | |
co | Text-Country | N | 18 | 2 | String(Unicode) | Country in which the user is located |
facsimileTelephoneNumber | Telephone-Fax | N | 18 | 2 | String(Unicode) | Fax phone number of the mailbox owner |
homephone | Home phone number | N | 18 | 2 | String(Unicode) | Home phone number of the mailbox owner |
initials | Initials | N | 18 | 2 | String(Unicode) | User's initials |
l | City | N | 18 | 2 | String(Unicode) | Location/city of the user |
mobile | Mobile number | N | 18 | 2 | String(Unicode) | Cellular phone number of the mailbox owner |
pager | Pager number | N | 18 | 2 | String(Unicode) | Pager phone number of the mailbox owner |
postalAddress | Address | N | 18 | 2 | String(Unicode) | Street address of the mailbox owner |
postalCode | Postal code | N | 18 | 2 | String(Unicode) | Postal/zip code |
secretary | Assistant | N | 18 | 2 | String(Unicode) | Mailbox assistant display name |
telephoneNumber | Phone number | N | 18 | 2 | String(Unicode) | Office phone number (1) of the mailbox owner |
telexNumber | Telex-Number | N | 18 | 2 | String(Octet) | |
employeeNumber | Employee-Number | N | 21 | 1 | String(Unicode) | Employee number |
employeeType | Employee-Type | N | 21 | 1 | String(Unicode) | Type of employee |
homeFax | Telephone-Home-Fax | N | 21 | 2 | String(Unicode) | Home fax number |
homePostalAddress | Address-Home | N | 21 | 2 | String(Unicode) | Home address |
personalMobile | Telephone-Personal-Mobile | N | 21 | 2 | String(Unicode) | Personal mobile number |
personalPager | Telephone-Personal-Pager | N | 21 | 2 | String(Unicode) | Personal pager number |