Yes, but a powerful tool does not mean that everything is allowed and buy azerbaijan telemarketing data certain rules must be respected. They are set out in the now famous GDPR, General Data Protection Regulation, a European regulation that came into force in 2018.
The text frames (among other things) the sending of newsletters to your customers and prospects. To look at the regulatory framework simply and practically, 5 questions asked to our partner Witik, GDPR software for DPOs and marketing professionals.

Summary
How do I collect email addresses to send my newsletters?
The first step in sending your newsletters is to collect email addresses and other necessary information. This could be, for example, the person's first or last name to personalize your missives, or their preferences, interests or position...
All of this information has one thing in common: it is personal data. This term is defined by the GDPR and corresponds to information relating to an identified or identifiable natural person. This obviously includes the person's name, their email or postal address, or information that, together, allows them to be identified, such as their purchasing or browsing preferences, for example.