email database germany We are from a affiliate marketing company with huge 7+ year of experience we can provide you lead in all over the world. All of our leads are verified when we collected and yes time to time we do verify again. In case you found bounces in our lead you can ask for the replace and yes we will replace it. People so many times asked me the source of the leads actully this is really difficult to answer as we have many sources like e-commerce customer , email marketing , ad sense , facebook , domain who is etc. We uses several sources including purchase of the leads from several other providers.