How to Reach Dynamics prospects respectfully and efficiently. For Dynamics ISVs that are determined to avoid the hucksterism of email list sellers, MSDW’s permission-based marketing offers important benefits. Marleen DeWinter of Integrity Data describes how MSDW has enabled her company to reach prospects “in a way that is respectful and efficient.” She also advises ISVs how to easily test whether MSDW is a good fit for them.