2 of 2 people found this helpful
This is such a big topic and the laws vary from country to country and if it's B2C or B2B marketing. There is a whole host of resources to choose from. Make sure to make yourself familar with the spcefic countries you market to and check on other regulations regarding opt-in vs opt-out vs double opt-in. Also learn the difference between a sales email and a marketing email and how sales can directly reach out to people who are not opted in but marketing cant. Follow the links below and as you have more questions or learn more things just keep googling.
3 of 3 people found this helpful
You also need to know that the regulation will change end of april 18 in the EU, so have a look at the GDPR.