allowing shell users to change passwords

[dave at 661.org]

Does anyone else here have a need to allow shell users to change their 
imap/pop3 passwords?  I came up with a little thing that works similarly 
to regular passwd(1), dovepasswd, which can be found at 
https://github.com/DavidGriffith/dovepasswd.  It does the job for me and 
I'd love for other people to take a look and give me some feedback.

-- 
David Griffith
dave at 661.org

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