# Campaigns

*Marketing*. The act of sending customized email messages to a group of targeted recipient segments.

To organize and start campaigns, use the Marketing Campaigns UI or API.

These tools allow you to perform the following actions:

* Create a sender identity
* Upload contacts
* Configure unsubscribe groups
* Edit email templates
* Send personalized email to different email group segments
* Boost your email marketing

An example of a campaign type is a [drip campaign][].

[drip campaign]: /docs/glossary/drip-campaign