# Movemail

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'''movemail''' is a [computer program](/source/computer_program) by the [GNU Project](/source/GNU_Project) that moves [mail](/source/email) from a user's [Unix](/source/Unix) [mailspool](/source/Spooling) to another file. It is part of GNU Mailutils.

A compromising of movemail was the backbone of the [hack](/source/Hacker_(computer_security)) described in ''[The Cuckoo's Egg](/source/The_Cuckoo's_Egg)'' by which [Markus Hess](/source/Markus_Hess) broke into the [Lawrence Berkeley National Laboratory](/source/Lawrence_Berkeley_National_Laboratory) computer system in 1986. The flaw in movemail, which has long since been repaired, is that the program was revised in 1986 to allow [superuser](/source/superuser) access into the host computer in order to move [POP](/source/Post_office_protocol) [email](/source/email). The movemail bug has been highlighted as one of the [Unix](/source/Unix) [operating system](/source/operating_system) family's most egregious failures of [security](/source/Unix_security).<ref>''[The UNIX-HATERS Handbook](/source/The_UNIX-HATERS_Handbook)'', 1994, IDG Books Worldwide, San Mateo, CA, USA, pp. 246-7</ref>

==See also==
{{Portal|Free and open-source software}}
* [Mozilla Thunderbird](/source/Mozilla_Thunderbird)

==References==
{{Reflist}}

==External links==
* [http://mailutils.org/manual/html_node/movemail.html#SEC109 GNU Mailutils Manual: movemail]

Category:Free email software

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Adapted from the Wikipedia article [Movemail](https://en.wikipedia.org/wiki/Movemail) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Movemail?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.