Data base cleaning is the one of most important things to do when preparing your iMarketing campaign.

Imagine you have 50 000 contact from different sources in different formats, different quality.

* If you think you can measly integrate them in some kind of CRM (Sugarcrm) you`re wrong!
* If you that your contacts are still up to date (emails) you`re totally wrong!
* If you think that csv file format will easy help you to integrate your all data forgot your campaign for a while.