by xqintegrations 5 (1 reviews)

Maileon for WordPress

Name: Maileon for WordPress
Rating: 5.0 (1 reviews)
Author: xqintegrations

Subscribe contacts with your Maileon account as newsletter recipients.

Maileon for WordPress ranks #14,038 among WordPress.org plugins with 100+ active installations, is #609 of 3,349 in the Communication category, a 5/5 rating from 1 reviews, and was last updated Jun 23, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 7 (Current: 7.1)

v2.16.5 Current Version v2.16.5

Updated 2 months ago Last Update on 23 Jun, 2026

Refreshed 10 hours ago Last Refreshed on

#609 of 3,349 in Communication Top 25% by installs

View on WordPress.org

Rank

#14,038

-17 this week

Active Installs

100+

-42.2%

KW Avg Position

46.7

0.3 better

Downloads

5.9K

+2 today

Support Resolved

— No change

Rating

100%

Review 5 out of 5

5 (1 reviews)

Next Milestone 200

Total Progress 40%

100+ 200+

7,306

Ranks to Climb

Growth Needed

8,000,000

Active Installs

Pro

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Rank Changes

Current #14,038

Change

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

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Reviews & Ratings

5.0

1 reviews

Overall 100%

1 (100%)

0 (0%)

Security History

Source: WPVulnerability

1 known vulnerability on record · 0 in the last 24 months · checked 1 month ago

Oct 16, 2023

Maileon for WordPress [xqueue-maileon] < 2.16.1

CVE-2023-46068 · Fixed in v2.16.1

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Plugin Details

Version: 2.16.5
Last Updated: Jun 23, 2026
Requires WP: 4.2+
Tested Up To: 7
PHP Version: 5.6 or higher
Author: xqintegrations

Support & Rating

Rating: ★ ★ ★ ★ ★ 5
Reviews: 1
Support Threads: 0
Resolved: 0%

Keywords

email maileon marketing newsletter xqueue

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TL;DR

AI summary of the plugin's readme

This plugin is for WordPress site owners who use Maileon for email marketing and want to collect newsletter subscribers. It sets up configurable subscription forms, including simple forms, a sidebar widget, and integration with tools like Contact Forms 7, connected to a Maileon account.

Admin GUI Maileon account configuration
Shortcodes for embedding forms
Sidebar widget template
Contact Forms 7 integration
Custom and child theme support
Multilingual support (Polylang)
AddressCheck support

Frequently Asked Questions

Common questions about Maileon for WordPress

This plugin can redirect to pages but this is only possible if no headers were already sent to the web browser, i.e. if no (other) plugin has already sent output. To avoid this, this script buffers output for POST requests. If you still find this error message, please contact us.

This plugin uses serverside sessions to save values for the (old) captcha method. If caching is enabled for the newsletter registration forms it can happen that outdated captcha data is shown. Further, on POST requests, this plugin enables buffering as some other plugins sometimes send headers early which makes it impossible to forward to proper landingpages later on.

We do not show internal error information to frontend users. When you enable the WP debug mode (define('WP_DEBUG', true) and define('WP_DEBUG_LOG', true)) the plugin writes errors and warnings to the WP debug log, which you can usually find under /wp-content/debug.log.

Check your logs, most probably you do not have cURL for PHP installed. You should also see a warning in your administration panel.

Check your logs, most probably trigger Maileon to send a DOI request but you have not specified a default DOI Mailing under "Settings -> Double-Opt-In". Please do so and retry.

If you get a warning like "Invalid argument supplied for foreach() path\xqueue-maileon\class\class-xq-maileon.php on line 306" it might be an issue with special chars generated by the webserver when displaying the manual. We noticed that some examples are displayed using different types of colons for ' or ". Please make sure to use only those two characters to mark strings etc. in your form descriptor, e.g. instead use [maileon-contact standard="{'LOCALE':'de_DE'}" doimailing="FF3OfzjS"] instead of [maileon-contact standard="{'LOCALE':'de_DE'}" doimailing="FF3OfzjS"]

Sometimes the plugin page for Wordpress translates some signs like regular " or ' into special characters for better display. You need to replace them by the proper signs " and '. I cannot send the form, it always claims there is an error. The captcha implementation that relies on calculating simple math can cause this problem. If you cache the newsletter registration page, it might be possible, that the numbers are not updated in the form. Please make sure to disable caching for the registration page. Also it relies on sessions, so if sessions are disabled or broken, the captcha cannot work. In this case maybe think of using Google reCaptcha.

The current version is aligned with German law and thus, supports working with DOI and DOI+. In the short tags of registration forms, you can set doi to false and select a different permission to be set without DOI mail but for profile update pages, there is currently no possibility to change between different permissions than DOI and DOI+ (add/remove single user tracking).