Email marketing services typically offer various features, such as email templates, list management tools, automation workflows, A/B testing, analytics, and integrations with other marketing tools. These features allow businesses to create personalized and targeted email campaigns that generate better results.

Some popular email marketing services include Mailchimp, Constant Contact, GetResponse, AWeber, and ConvertKit. Each service has its own unique features and pricing plans, so businesses should choose the one that best fits their needs and budget.