Debian and Commercial Webhosting software

Hello List, I apoligise in advance if this is off topic. I am currently researching the possibilty of setting up a hosting environment (about 50+ mixed database and email domains) that will allow users to manage their own domains (just mail/quotas/webmail accounts etc...) AND (heres the catch) a

RE: Consolidating user databases

Simon, If you are looking at something to replace exchange, take a look at samsung contact (www.samsungcontact.com), it is a revamped/rebadged version of hp openmail. It is commercial, and it does run on debian (well, using alien as documented at samsungs site) as well as some other flavours of l