A hole, or crevice, through which one may peep without being discovered.

Holes in the kiln wall are purposely included in the design of the heating chamber. These spy holes allow the potter to control the amount of oxygen in the kiln. They also are important for the monitering of the temperature in various places within the kiln.

A small observation hole in the wall or door of a kiln.

Peephole is a GNU/linux server that periodically checks users' mailboxes, and harvests the last few email messages, extracting user-defined regular expressions. Each user, once logged in, has to define his mail providers and other settings. Peephole supports various mail protocols, such as POP3, POP3S, and APOP. The project also provides two clients.

Peephole Extracts regular Expression Patterns Harvesting Only Last Emails: this server periodically checks users' mailboxes harvesting only last emails, extracting user-defined regular espressions. The project also develops clients: GUI, text console.

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