Brevo is an email service from France with an SMTP relay and API for transactional email delivery, but also with a focus on newsletter emails which can be designed and sent directly from the application. Brevo is generally well rated and also offers SMS sending.

rapidmail is a German email marketing service and transactional mail service. The service is hosted in Germany. The service offers a easy-to-use drag-and-drop editor with many great templates to create the emails. rapidmail has many certifications, which should guarantee high delivery rate of emails.

Clever Elements is a German email marketing service. They offer a user friendly editor to design the emails for the campaigns and analytics features.

Omnisend is an email marketing service from Lithuania. Besides email marketing, SMS marketing is also offered and a variety of tools to automate the sending behavior.

Acumbamail is an email marketing service from Spain. They offer many templates to easily create emails for a newsletter and many integrations for platforms like WordPress, Magento, WooCommerce, PrestaShop and many more.

Keila is an open source email marketing tool, available for self-hosting and with a managed service.

CleverReach is a German email marketing service. The service offers a simple to use email editor. The servers are hosted in the EU.