The customer left the cart without placing an order - a reminder with the contents of the cart.

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The client's birthday has arrived - a congratulatory letter with a personal discount.
Personalization. Trigger emails are highly personalized. They take into account customer data: name, preferences, purchase history. This increases engagement and trust.
Automation. Configured via email marketing platforms (e.g. Mailchimp, SendPulse, GetResponse). They work without intervention, reducing time and resource costs.
Examples of use.
E-commerce. Online stores remind about abandoned carts or offer discounts on india phone number list products that the user was interested in.
Subscription services. Notifications about subscription expiration or invitations to renew.
B2B. Automatic follow-up emails after downloading a white paper or participating in a webinar.
Historical context
Trigger mailings became popular with the development of CRM systems and automation tools. In the early 2000s, email marketing was mass and not very personalized. Letters were sent to all users at once, which reduced efficiency.
With the advent of analytics and CRM integration, marketers began to take user behavior into account. By the 2010s, triggered emails had become the standard for many companies. Today, they continue to evolve thanks to artificial intelligence, which helps to more accurately predict customer needs.