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Contributor(s): Sigmund Gismervik

Ph is an Internet facility that lets you search for someone's e-mail address if their e-mail provider has a Ph server program. A Ph client program comes with Eudora, a popular e-mail program (click on "Tools," then "Directory Services"), as well as with other programs. To use Ph, you need to know at what university or other organization the person you're looking for is located. A large number of universities and research institutions maintain a directory of e-mail users. In addition, several large Web portal sites, including AltaVista and Bigfoot, have Ph directories. To search using Ph, you need to enter the server name for the location you're searching at and then the person's name. A number of places provide lists of servers. Several Web sites provide a forms interface that includes the server list in order to make searching easy and quick.

Some places use the Lightweight Directory Access Protocol ( LDAP ) and convert a Ph query to LDAP and return the result in Ph. Ph is somewhat similar to another Internet facility, Finger , which lets you search for a name if you know the e-mail address. Ph is sometimes referred to as Qi or Ph/Qi. A Ph response may include other information besides an e-mail address.

This was last updated in April 2005

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