If you did not specify Password Recovery Password when running the web interface for very first time, then you will have to enter it manually in the /App_Data/PgmSettings.xml file.

The password must be encrypted. Use the following form to encrypt it:

Locate the file PgmSettings.xml in the App_Data folder of your WebMail installation (by default, c:\Inetpub\wwwroot\WebMail), open it using Notepad, and between RemotingAccess tags put the encrypted password:

<?xml version="1.0" encoding="utf-8"?>
<ProgramSettings version="1.0">
    <Url>tcp://localhost:6060/RemoteAccess</Url>
    <RemotingPassword>888ewasd</RemotingPassword>
    <PwdRecoveryReturnEmail>password-reset@argosoft.com</PwdRecoveryReturnEmail>
</ProgramSettings>