This has been well documented. I remember a tool from 2002 that would
decrypt the hash from command line.

printf ("IMail Password Decryptor\n");
printf ("Usage: %s <account name> <encrypted string>\n", name);
printf ("E.g., %s crypto CCE5DFE5E2\n
^^^^^^^^^^---CAPITAL LETTERS\n\n", name);
printf ("This information is found in the registry at:\n
HKEY_LOCAL_MACHINE\\SOFTWARE\\Ipswitch\\IMail\\Domains\n");

Bill

-----Original Message-----
From: full-disclosure-admin (at) lists.netsys (dot) com [email concealed]
[mailto:full-disclosure-admin (at) lists.netsys (dot) com [email concealed]] On Behalf Of Adik
Sent: Monday, August 16, 2004 10:19 AM
To: full-disclosure (at) lists.netsys (dot) com [email concealed]
Cc: bugtraq (at) securityfocus (dot) com [email concealed]
Subject: [Full-Disclosure] IpSwitch IMail Server <= ver 8.1 User
Password Decryption

Hi fellaz,

IpSwitch IMail Server version up to 8.1 uses weak encryption algorithm
to
encrypt its user passwords. Have a look at attached proof of concept
tool,
which will decrypt user password from local machine instantly.

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