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Mailster Kickbox

v1.2.1

by EverPress · updated 26 days ago

Verify Mailster subscribers in real time with Kickbox email verification to cut bounces and improve email deliverability.

deliverabilityemail validationemail verificationkickboxmailster
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#35,805
Up6,837 vs yesterday
Active installs (est.)
≈ 15
10+ reported · High
Total downloads
4.4K
4,391 all-time
Rating
–
0 reviews
Support resolved
–
0 of 0 threads, last 2 months
Growing·Downloads +133.3% (30d)·Toward 20+ · ETA unknown

Mailster Kickbox at a glance

Mailster Kickbox is a WordPress plugin by EverPress with 10+ active installs, the #35,805 most popular plugin on WordPress.org. On a typical day it’s downloaded about 3 times, 133% more than the month before. It has no reviews yet. Version 1.2.1 came out on Oct 13, 2026 and is tested up to WordPress 7.1.4. Among the 47 plugins tagged “deliverability”, it ranks #9. It was first released in 2017.

Chart time range

Applies to every chart below. History from Oct 10, 2026, 31 days.

Showing the last 30 days. Full history comes with any paid plan.See plans

Downloads over time

Download stats

162 downloads · the last 30 days

Downloads over time
Mailster Kickbox Compare series
Downloads over time: 30 days across 1 series.0102030Oct 10Oct 15Oct 20Oct 25Oct 29Nov 3Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateMailster Kickbox
Nov 8, 20263
Nov 7, 20264
Nov 6, 20261
Nov 5, 20264
Nov 4, 20261
Nov 3, 20264
Nov 2, 20260
Nov 1, 20263
Oct 31, 20264
Oct 30, 20263
Oct 29, 20260
Oct 28, 20265
Oct 27, 20261
Oct 26, 20263
Oct 25, 20265
Oct 24, 20262
Oct 23, 20266
Oct 22, 20264
Oct 21, 202610
Oct 20, 20262
Oct 19, 202610
Oct 18, 20266
Oct 17, 20267
Oct 16, 20262
Oct 15, 20265
Oct 14, 202633
Oct 13, 202630
Oct 12, 20260
Oct 11, 20262
Oct 10, 20262

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 15 · 0.0% in the last 30 days

Estimated installs
Estimated installs: 13 days across 1 series.12131415Oct 27Oct 29Oct 31Nov 2Nov 5Nov 7Nov 9Oct 29, 2026: Tested up to 7.1.4
View as table
DateEstimated installs
Nov 9, 202615
Nov 8, 202613
Nov 7, 202613
Nov 5, 202612
Nov 4, 202615
Nov 3, 202613
Nov 2, 202613
Nov 1, 202614
Oct 31, 202614
Oct 30, 202614
Oct 29, 202614
Oct 28, 202614
Oct 27, 202615

Rank over time

#35,805 · up 3,410 in the last 30 days

Popular rank
Popular rank: 10 days across 1 series.#35K#40K#45KOct 27Nov 1Nov 5Nov 7Nov 9Oct 29, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 9, 2026#35,805
Nov 8, 2026#42,642
Nov 7, 2026#42,861
Nov 6, 2026#40,331
Nov 5, 2026#47,756
Nov 4, 2026#37,547
Nov 2, 2026#43,678
Nov 1, 2026#40,157
Oct 28, 2026#38,610
Oct 27, 2026#39,215

Growth %

Average 0.00% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 12 days across 1 series.-20%0%20%Oct 28Oct 30Nov 1Nov 3Nov 5Nov 7Nov 9
View as table
DateGrowth
Nov 9, 2026+15.38%
Nov 8, 20260.00%
Nov 7, 2026+4.17%
Nov 5, 2026-20.00%
Nov 4, 2026+15.38%
Nov 3, 20260.00%
Nov 2, 2026-7.14%
Nov 1, 20260.00%
Oct 31, 20260.00%
Oct 30, 20260.00%
Oct 29, 20260.00%
Oct 28, 2026-6.67%

Active installs band

10+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 14 days across 1 series.91011Oct 27Oct 29Oct 31Nov 2Nov 5Nov 7Nov 9Oct 29, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 9, 202610+
Nov 8, 202610+
Nov 7, 202610+
Nov 6, 202610+
Nov 5, 202610+
Nov 4, 202610+
Nov 3, 202610+
Nov 2, 202610+
Nov 1, 202610+
Oct 31, 202610+
Oct 30, 202610+
Oct 29, 202610+
Oct 28, 202610+
Oct 27, 202610+

Search rankings

Where it appears in WordPress.org search for the searches you track, checked every day.

See where Mailster Kickbox ranks in search

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Change log

From our daily snapshot of WordPress.org
  1. Rank #38610 → #47756Downloads -40%
    • Tested up to 7.1.3 → 7.1.4

Versions in use

Share of active installs on each published version, from WordPress.org.

  • v1.2100%

Requirements & info

Version history
Version
1.2.1
Requires WordPress
6.0
Tested up to
7.1.4
Requires PHP
–
First released
Jan 13, 2017
Last updated
Oct 13, 2026
Releases, last 12 months
…

Questions about Mailster Kickbox

How many websites use Mailster Kickbox?

Mailster Kickbox is active on 10+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #35,805 most popular plugin on WordPress.org.

How many times has Mailster Kickbox been downloaded?

4,391 times in total since 2017. On a typical day it’s downloaded about 3 times. See download stats

When was Mailster Kickbox last updated?

Version 1.2.1 came out on Oct 13, 2026 (3 weeks ago).

Is Mailster Kickbox compatible with the latest WordPress?

Yes. It’s tested up to WordPress 7.1.4, the current version.

Is Mailster Kickbox still maintained?

Yes. Its last release was 3 weeks ago. No support threads were opened in the last two months.

What rating does Mailster Kickbox have?

No one has reviewed Mailster Kickbox on WordPress.org yet.

What are the best alternatives to Mailster Kickbox?

The plugins most like Mailster Kickbox, by the tags they share, are User Verification by PickPlugins (4K+), ZeroBounce Email Verification & Validation (900+) and Clearout Email Validator (500+). Compare all alternatives

Compare with competitors

Add up to 1 competitor. No account needed.

Starter · 1 competitor
Mailster Kickbox
Suggested:
Metric
Mailster Kickbox
Estimated installs≈ 15
Reported installs10+
Rating–
Reviews0
Total downloads4.4K
AuthorEverPress
First releasedJan 13, 2017
Version1.2.1
Requires WP6.0
Requires PHP–
Last updatedOct 13, 2026

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