Recipient Types Exchange 2013

The people and resources that send and receive messages are the core of any messaging and collaboration system. In an Exchange organization, these people and resources are referred to as recipients. A recipient is any mail-enabled object in Active Directory to which Microsoft Exchange can deliver or route messages.

Recipient types 


Mailbox :Mailbox is an Exchange object which is used to send or receive emails and to store messages, appointments, tasks, notes and documents. In Exchange 2013, we have the below types of Mailboxes

  1.  User Mailbox: User Mailbox is an exchange object that is assigned to a user in your Exchange organization. We can create a new mailbox by creating an active directory user account or we can enable mailbox for an existing user account
  2. Linked Mailbox: Linked Mailbox is a special type of mailbox created in your exchange organization for user in different organization, where a trust has been established between those forests

Groups :Groups are used to collect user accounts, computer accounts, and other group accounts into manageable units. Working with groups instead of with individual users helps simplify network maintenance and administration.

  1. distribution group:can be used only with e-mail applications (such as Exchange) to send e-mail to collections of users. Distribution groups are not security-enabled, which means that they cannot be listed in discretionary access control lists (DACLs). If you need a group for controlling access to shared resources, create a security group.
  2.  security group:Used with care, security groups provide an efficient way to assign access to resources on your network. Using security groups,assign permissions
  3.  dynamic distribution group:maintains its membership for you. Unlike a normal static distribution list that you need to add/remove mailboxes manually.


  1. Room Mailbox: Room mailbox is a resource mailbox used to booking conference rooms etc. By default, the active directory account for Room Mailboxes is disabled and the user having full access permission can add this mailbox or the calendar to as additional Mailbox or shared calendar. By default room mailbox will accept the room bookings, we can set a moderator whether to accept or decline meeting requests.
  2. Equipment Mailbox: Equipment Mailbox is similar to Room Mailbox, where the equipment mailbox will be used for booking equipment like Projects and White Boards etc


  1. Mail Contact: Mail Contact is a mail-enabled active directory object which has the information about the users that exists outside of your exchange organization. Mail contact will have external emails addresses and the emails sent to mail contact are routed to external domains.
  2. Mail User: Mail user is similar to Mail contact, where the Mail User will have an user account which can be used to login to your exchange organization but the mail user will have their mailbox on different exchange organization


  1. Shared Mailbox is a mailbox which will be accessed by group of users. Shared mailbox will not be primarily assigned to a user account. Shared Mailbox will be added as an additional mailbox and accessed by users. For example, Human Resource can use a shared mailbox, where employees can send their common queries as email to that mailbox. Any one from HR team will access the mailbox and reply to that emails

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