King SMTP – Email Log & Delivery
by KingSMTP · Email & Marketing
Free SMTP and Email Log plugin for WordPress. Connect any SMTP provider, log every email, get failure alerts. Bitcoin SMTP.
80 health vs 71 average across 416 Email & Marketing plugins
Directory ranking optimization
How it's scored →How well this listing is tuned to rank in WordPress.org search, on the factors an owner controls. Not popularity, optimization.
Excellent listing optimization
Biggest win: Rating quality
To rank higher: Too few reviews to rank on quality — nudge happy users to leave one.
Get the full rank-higher report →Daily downloads
Since 2022-10-05 · 1,381 days · wp.org + Plugin Pulse archive
30-day downloads
Rolling 30-day volume · peaks are release surges
67
now · peak 518
Directory rank vs rivals
wp.org popularity rank over time · higher is better · when a rival's line climbs above yours, they've overtaken you
Downloads per 1k installs · 30d
Engagement proxy · release spikes are signal, a long slide is an aging base
Estimated active installs
wp.org reports only “60+”. The real number sits in this band.
Modeled within the band wp.org reports; tightens as we track daily.
Install history · since 2022-10-04 · 1,380 observations
Details
Growth timeline
Install-band crossings we have observed, and how long each band took to outgrow
- 2026-07-10 50+ → 60+ up after 11 days in band
- 2026-06-29 60+ → 50+ down after 18 days in band
- 2026-06-11 70+ → 60+ down after 1 days in band
- 2026-06-10 60+ → 70+ up after 1 days in band
- 2026-06-09 70+ → 60+ down after 26 days in band
- 2026-05-14 60+ → 70+ up after 9 days in band
- 2026-05-05 70+ → 60+ down after 2 days in band
- 2026-05-03 60+ → 70+ up after 1 days in band
Competes with
The plugins that solve the same job, ranked by shared tags then reach — closest match first
-
GoSMTP – SMTP for WordPress 500K+ installs · 4.1★ · 3 shared tags B -
Solid Mail – SMTP email and logging made by SolidWP 60K+ installs · 4.2★ · 2 shared tags A -
YaySMTP – WP Mail SMTP with Email Logs, Tracking & Reports 10K+ installs · 4.7★ · 2 shared tags A -
Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App 300K+ installs · 4.7★ · 1 shared tag A -
WP Mail Logging 300K+ installs · 4.7★ · 1 shared tag A -
Activity Log – Monitor & Record User Changes 200K+ installs · 4.3★ · 1 shared tag A
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<iframe src="https://plugins.wpmayor.com/embed/kingmailer-smtp" width="480" height="300" style="border:0" loading="lazy" title="King SMTP – Email Log & Delivery — Plugin Pulse"></iframe> King SMTP – Email Log & Delivery: 60+ active installs, 0.0★ (0 reviews). Plugin Pulse (WP Mayor), as of 2026-07-17. https://plugins.wpmayor.com/plugin/kingmailer-smtp