Newsletter Speed Control Addon GPL Overview:
The Speed Control adds to each newsletter a set of configurations to change the speed (emails per hour) and the allowed delivery hours in the day (starting and ending hours).
Changing the delivery speed, usually slowing it down, can be useful when you promote something but you don’t want massive access to the site in a short time. For example, if you’re promoting a contest where every day there is a price, it’s a good idea to inform your audience over a long time to avoid the perception that “no one i winning”.
Speed Controls adds even a range of hours in the day where the delivery is allowed (or not allowed). That feature should solve the need to not send emails at the night or out of office hours when the delivery spans over many days (for example if you’re slowing down the sending or if the server cannot manage to deliver all emails in a shot).
Note: the speed and time windows setting are actually available ONLY for regular newsletter, not for Automated or Autoresponder generated emails.
About Newsletter – Speed Control
Newsletter – Speed Control is a premium WordPress plugin developed by The Newsletter Team. Change the delivery speed for a single email and/or change the delivery time window It is distributed under the GPL v2 or later licence, which means you can install it on an unlimited number of websites — including websites you build and manage for your clients.
Compatibility & Requirements
Newsletter – Speed Control requires WordPress 4.6 or later, and has been tested up to WordPress 6.7, and requires PHP 5.6 or higher. Each release is reviewed for compatibility before listing, giving you a hassle-free installation experience. This listing reflects version , updated within 24 hours of the upstream release.
Your Rights Under GPL
Every product in our library, including Newsletter – Speed Control, is distributed under the GNU General Public License — the legal foundation of open-source WordPress. This means you are fully entitled to use it on personal websites, client projects, and staging environments without any additional cost or permission. The GPL was designed to keep software free; we built our store on top of that principle.
Our Promise to Every Customer
- Genuine, unmodified files – Newsletter – Speed Control is distributed exactly as released by The Newsletter Team, with no modifications.
- Use on unlimited websites – The GPL licence and our store policy both allow unlimited installations.
- Immediate access after purchase – No manual approval, no waiting — your link is sent the moment payment clears.
- Quality checked every release – Our team reviews each file for compatibility before it appears in the store.
- Secure and private checkout – Your data is protected by SSL encryption throughout the purchase process.
- No hidden costs – The price you see is the only price you pay. Ever.
Frequently Asked Questions
Which WordPress version works with Newsletter – Speed Control?
Newsletter – Speed Control has been tested and confirmed compatible up to WordPress 6.7.
Can I install this on a client’s website?
Yes. The GPL v2 or later licence grants you the right to use Newsletter – Speed Control on any website, including commercial client projects, without restriction.
What PHP version is required?
Newsletter – Speed Control requires PHP 5.6 or higher. The majority of modern hosting environments already meet this requirement.
How do I get future updates?
When a new version of Newsletter – Speed Control is published by The Newsletter Team, we update our file promptly. You can re-download the updated version from your digitalgpl account at no additional cost.
Is this the original, unmodified file?
Yes. We distribute the original, unaltered Newsletter – Speed Control plugin as released under the GPL. No code has been changed, removed, or added.
Official developer page: https://www.thenewsletterplugin.com
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