Email marketing remains one of the most effective strategies for connecting with customers and generating sales. it involves sending personalized emails to inform, educate, or persuade an audience. A good email marketing campaign is not spam, but a well-segmented channel that delivers valuable content at the right time. Tools like Mailchimp, ActiveCampaign, and Brevo (formerly Sendinblue) facilitate the automation of mailings and the personalization of messages. Good email marketing achieves high open and conversion rates without the need for a large advertising investment.