Description

Built on Newsletter, the SparkPost addon connects the campaign sending engine to the SparkPost service, allowing newsletters and emails generated by the plugin to be routed through an external delivery infrastructure. This integration suits sites already managing lists, forms, and campaigns in Newsletter and needing to separate content creation from the technical layer responsible for sending.

Main Features of SparkPost

  • Sending integration
    Connects Newsletter to SparkPost for external campaign routing.
  • Plugin configuration
    Centralizes connection data within the Newsletter workflow.
  • Delivery via external service
    Routes emails through a dedicated messaging delivery infrastructure.
  • Campaign compatibility
    Works with newsletters created and managed in the base plugin.
  • Additional module
    Adds a delivery layer without replacing list management.

Benefits of SparkPost

  • More organized flow
    Separates campaign creation and technical sending into distinct steps.
  • Less server dependency
    Reduces use of the default WordPress hosting mailer.
  • Centralized operation
    Keeps lists and campaigns inside the Newsletter panel.
  • More controlled sending
    Makes it easier to use a dedicated provider for recurring dispatches.

Who Is SparkPost Recommended For?

  • Sites using Newsletter to manage email marketing campaigns.
  • Administrators who want to send newsletters via an external delivery service.
  • Projects with active lists needing to better organize the dispatch flow.

How to Download SparkPost

SparkPost is available for download on this page. To make it live, upload the file in Plugins > Add New > Upload plugin and activate the addon in WordPress. Then keep Newsletter installed and configure the sending connection.

SparkPost is recommended for those already using Newsletter as the center for campaign creation and management but prefer to route email delivery through a specialized provider. As an additional component, it preserves the base plugin’s flow and adds a sending option aimed at recurring newsletter and email communication operations.

Frequently asked questions

Is Newsletter SparkPost GPL-licensed?

Yes. Newsletter SparkPost is distributed under the GPL (GNU General Public License). You may legally use, modify and redistribute it on as many sites as you want.

Can I use Newsletter SparkPost on multiple sites?

Yes. You can install Newsletter SparkPost on as many sites as you want. Only automatic updates through Ultrapack Auto Updater have a limit: from 3 to 80 sites, depending on the plan.

How much does Newsletter SparkPost cost at Ultrapack?

Newsletter SparkPost costs US$2.99 as a single purchase, and it is also included in the subscription plans starting at US$12/mo (VIP I).

Does Newsletter SparkPost include updates?

Yes. The current version of Newsletter SparkPost is 1.3.3, published at Ultrapack on Aug 30, 2026. Subscribers update straight from the WordPress dashboard with UAU (Ultrapack Auto Updater).

Is Newsletter SparkPost scanned before publication?

Yes. Every version of Newsletter SparkPost goes through a malware scan (ClamAV and YARA rules, at UltraHub) before it is published.

What are the requirements for the plugin Newsletter SparkPost?

Requires WordPress 6.1 or higher and PHP 7.0 or higher. Tested up to WordPress 7.1.