nmh - Message Handling System

Welcome to the home of nmh, on savannah.nongnu.org.

We're pleased to announce the release of nmh 1.3. You can download it from savannah.

It's been over two years since the 1.2 release; but the changes here are mostly minor; largely bugfixes. You should note that we have changed the default configuration to allow all supported forms of address masquerading. For more details please see the --enable-masquerade option to configure, and the mh-tailor and post man pages. For more detailed information you can look at the ChangeLog since 1.2.

Please report problems in the bug tracker on savannah, or on the nmh-workers mailing list. Thanks!

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Please check out the nmh project on savannah.

nmh (new MH) is a powerful electronic mail handling system. It was originally based on version 6.8.3 of the MH message system developed by the RAND Corporation and the University of California. It is intended to be a (mostly) compatible drop-in replacement for MH.

nmh consists of a collection of fairly simple single-purpose programs to send, receive, save, retrieve, and manipulate e-mail messages. Since nmh is a suite rather than a single monolithic program, you may freely intersperse nmh commands with other commands at your shell prompt, or write custom scripts which use these commands in flexible ways.

NOTE: All versions of nmh prior to 1.0.3 (as well as MH) contained a vulnerability where incoming mail messages with carefully designed MIME headers could cause the mhshow command to execute arbitrary shell code. Though the authors of nmh are not aware of any exploits of this hole, MH users and users of older versions of nmh are strongly encouraged to upgrade to the current version.

Downloads:

• The nmh project download area

Mailing lists:
There are three mailing lists for NMH, hosted by Savannah.

• nmh-announce
• nmh-workers
• nmh-commits

Frontends:

• exmh is a TK-based GUI for mh.
• MH-E is an Emacs interface to mh.
• Postcard - part of the SRC Modula3 distribution.
• Rbmhshow - entangles nmh, less, gnupg, openssl, lynx, antiword and friends into a textual MIME mailreader with signature verification support

Compatible Software:

• The mutt email client does a good job with MH folders.
• UW IMAPd has basic support for reading MH folders.
• mairix is a full-text mail indexer that understand MH folders.
• A lot of other compatible tools are listed in section 01.05 ("other MH software") of the MH FAQ

Help:

• Jerry Peek's Book "MH & nmh"
• The MH FAQ
• RFCs of varying degrees of relevance.
• The old website, previously located at www.math.gatech.edu.
• MH 6.8.3 (very old)

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