This means the email is delivered faster than waiting to retry the primary server until it recovers.

Here was the center of the system, the brain of this entire operation-the primary server.

The computer behind him was the primary server for all systems in the facility.

Network Solutions runs the primary top-level server for the .

The two primary servers were the file server and the process server.

On January 28, 2007, Garcia wrote that the show's primary audio server had failed and they were seeking a replacement.

An authoritative name server can either be a primary server or a secondary server.

After the alarm system failure, unprocessed events queued up and the primary server failed within 30 minutes.

It moved its primary servers to Switzerland.

By contrast, primary servers can deliver a message to a user's mailbox and/or forward it by changing some envelope addresses.