MH Message Handling System

<p>The MH Message Handling System is a <a href="/facts/Free_software/IaoVtJXn">free</a>, <a href="/facts/Open-source_license/FlFTwHmd">open source</a> <a href="/facts/E-mail_client/pQdW9HtC">e-mail client</a>.  It is different from almost all other mail reading systems in that, instead of a single program, it is made from several different programs which are designed to work from the command line provided by the <a href="/facts/Unix_shell/2G4T2Fb9">shell</a> on <a href="/facts/Unix-like/YAKrAxzd">Unix-like</a> <a href="/facts/Operating_system/8XTuvMh2">operating systems</a>.  Another difference is that rather than storing multiple messages in a single file, messages each have their own separate file in a special directory.  Taken together, these design choices mean that it is very easy and natural to script actions on mail messages using the normal <a href="/facts/Shell_script/NE7YvsBD">shell scripting</a> tools. 
</p><p>Descendants of MH continue to be developed under the names of nmh and mmh. GNU Mailutils also contains an implementation of MH.
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MH Message Handling System open-in-new

MH Message Handling System