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Postfix Documentation
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Postfix Berkeley DB Howto


Postfix uses databases of various kinds to store and look up information. Postfix databases are specified as "type:name". Berkeley DB implements the Postfix database type "hash" and "btree". The name of a Postfix Berkeley DB database is the name of the database file without the ".db" suffix. Berkeley DB databases are maintained with the postmap(1) command.

Note: Berkeley DB version 4 is not supported by Postfix versions before 2.0.

This document describes:

  1. How to build Postfix on systems without Berkeley DB library.

  2. How to build Postfix on BSD or Linux systems with multiple Berkeley DB versions.

  3. How to tweak performance.

  4. Missing pthread library trouble.

Postfix Documentation
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