Perdition: Mail Retrieval Proxy

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I lately lost a preposition;
It hid, I thought, beneath my chair
And angrily I cried, "Perdition!
Up from out of under there."
Correctness is my vade mecum,
And straggling phrases I abhor,
And yet I wondered, "What should he come
Up from out of under for?"
Morris Bishop, contributed by Conrad Parker

What is perdition?

Perdition is a POP3, IMAP4 and managesieve proxy server. It is able to handle both plain-text and SSL/TLS encrypted connections, and redirect users to a real-server based on a database lookup. Perdition supports modular based database access. ODBC, MySQL, PostgreSQL, GDBM, POSIX Regular Expression and NIS modules ship with the distribution. The API for modules is open allowing arbitrary modules to be written to allow access to any data store.

Perdition has many uses. Including, creating large mail systems where an end-user's mailbox may be stored on one of several hosts, integrating different mail systems together, migrating between different email infrastructures, and bridging plain-text and SSL/TLS services. It can also be used as part of a firewall. The use of perdition to scale mail services beyond a single box is discussed in high capacity email.


perdition 2.1 This is a bugfix release.

Key changes since 2.0:

  • Apply configured ciperhsuite preferences for outpand connections. This is a fix for for CVE-2013-4584.
  • Use 1.0 as the managesieve version

A complete list of changes is available in the changelog provided by the Mercurial Repository.

Perdition 2.1 is available for download here.

6th January 2014

More Information

Download Released versions
Releases Historical information on releases
Mercurial Repository The latest development code
Please note that this is development code and is generally not recommended for production
Documentation Documentation on how to use perdition.
FAQ Perdition FAQ.
Mailing Lists perdition-users and perdition-cvs subscription and archive information
Press Centre Information for the press on perdition.
Deployments Information about some of perdition systems in production.
Perdition-PBS POP Before SMTP Tools
Vanessa Underlying libraries for Perdition

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