On Tue, 2006-01-17 at 09:56 -0500, Stéphane Bruno wrote: > Can you be more specific? I am planning to offer the service to a > local ISP, but I never did this before. Can you point me to some > resources where I can find information about the more professional way > to create and maintain a high number of accounts under Linux for email > accounts for an ISP, the industry standard? Are you talking about > using NIS or some other kind of centralized information management for > accounts? And how do you "import" the accounts along with their > password (the ISP has a system running on Windows and will probably > export its existing accounts under a format which I can import into > Linux). ---- personally, I would recommend the usage of LDAP over NIS. NIS is aging technology and LDAP is rapidly expanding. anyway, the best way I know of to do mass importing is via webmin <http://www.webmin.com> Their 'Users and Groups' module and in fact their LDAP Users and Groups module both have a mass import action already scripted. Craig