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Mailstroom Subscribe

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Mailstroom Subscribe

By mailstroom
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Description

Mailstroom Subscribe is a WordPress plugin that allows visitors to easily subscribe to your newsletter through a modern modal form.

Features:

  • Modern, accessible modal form
  • Fully responsive (desktop, tablet, mobile)
  • AJAX processing without page reload
  • Double opt-in (GDPR compliant)
  • Customizable colors and texts
  • Shortcode for flexible placement
  • Secure: nonces, escaping and sanitization built-in

How it works:

  1. Place the shortcode [mailstroom_button newsletter="ID"] on your page
  2. Visitors click the button
  3. A modal opens with the subscription form
  4. After filling in, they receive a confirmation email
  5. After confirmation, they are subscribed

Requirements:

  • An active Mailstroom account
  • API credentials (available in your Mailstroom admin panel)

Privacy

This plugin:
* Sends submitted data to the Mailstroom API
* Does not store personal data locally
* Does not place tracking cookies
* Uses WordPress nonces for form security

For more information about how Mailstroom handles data, see the privacy policy of your Mailstroom administrator.

Installation

  1. Download the plugin ZIP
  2. Go to Plugins > Add New > Upload Plugin
  3. Select the ZIP file and click “Install Now”
  4. Activate the plugin
  5. Go to Settings > Mailstroom
  6. Enter your API URL and API Key (found in Mailstroom under “WordPress Plugin”)
  7. Place the shortcode on your page

FAQ

Where do I find my API credentials?

Log in to your Mailstroom admin portal, go to the newsletter and click “WordPress Plugin” in the menu. There you will find the API URL, API Key and List ID.

What data is collected?

The form asks for email address (required), first name, last name and organization (optional). All data is sent directly to Mailstroom.

Is the plugin GDPR compliant?

Yes. The plugin:
– Sends data directly to Mailstroom (no local storage)
– Uses double opt-in
– Does not store cookies
– Only collects necessary data

Make sure you have a privacy statement on your website.

Can I customize the style?

Yes, in two ways:
1. Via Settings > Mailstroom you can adjust the primary color
2. All elements have CSS classes with prefix mailstroom- that you can override

Can I offer multiple newsletters?

Yes, place multiple shortcodes with different newsletter IDs:
[mailstroom_button newsletter=”1″ text=”Newsletter A”]
[mailstroom_button newsletter=”2″ text=”Newsletter B”]

Reviews

There are no reviews for this plugin.

Contributors & Developers

“Mailstroom Subscribe” is open source software. The following people have contributed to this plugin.

Contributors
  • mailstroom

Translate “Mailstroom Subscribe” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

Changelog

1.0.5

  • Re-validate the configured colour at output before it is used in the inline CSS, hardening against malformed stored values

1.0.4

  • Send the page URL (source_url) where the signup was made
  • Send the plugin version with each subscription

1.0.2

  • SSRF protection: API URL must be HTTPS and may not resolve to an internal/private address
  • Send client IP with the subscription for abuse prevention
  • Prevent double form submission (JS guard)
  • Sanitize and unslash the client IP before use

1.0.1

  • Added input sanitization callbacks to all registered settings
  • Unslash POST data before sanitization in the AJAX handler
  • Removed debug logging
  • Improved API error message parsing

1.0.0

  • Initial release
  • Modal subscription form
  • Shortcode support
  • Customizable colors and texts
  • AJAX form submission
  • Double opt-in support

Meta

  • Version 1.0.5
  • Last updated 3 days ago
  • Active installations Fewer than 10
  • WordPress version 5.0 or higher
  • Tested up to 7.0
  • PHP version 7.4 or higher
  • Tags
    emailnewslettersignup formsubscription
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Ratings

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Contributors

  • mailstroom

Support

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