P1 message headerThe P1 message header is the [transport envelope] address information that is used by message transfer agents (MTAs) to route mail.
P2 message headerThe P2 message header contains only the message recipient data that the sender declared to the recipients.
PAB (Personal Address Book)A customizable address list in which a user can add and delete names of users and personal distribution lists to which messages frequently are addressed.
PDL (personal distribution list)A distribution list that a user creates and adds to their Personal Address Book (PDL) A distribution list is a name assigned to a group of recipients.
permissionAuthorization for a user to perform an action, such as sending e-mail for another user or posting items in a public folder.
PolicyThe contract form issued by the company to explain the coverage provided. It is a legal document.
privilegeA benefit or advantage to certain persons beyond the advantages of other persons, i.e., an exemption, immunity, power, etc.
profileA sectional view showing grades and distances, usually taken along the centerline.
protocolAn action plan for a clinical trial. The plan states what the study will do, how, and why.
proxy serverA server that receives requests intended for another server and that acts on the client's behalf (as the client's proxy) to obtain the requested service.
public folderA folder that coworkers can use to share a wide range of information, such as project and work information, discussions about a general subject, and…
public folder hierarchyA tree or hierarchy of public folders with a single public folder store. [Exchange 2003]
public folder replicationThe process of keeping copies of public folders on other servers up-to-date and synchronized with each other. [Exchange 2003]
public folder storeThe part of the Exchange store that maintains information in public folders. A public folder store consists of a rich-text .