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Check-Mail-SMTP vs Simple SMTP by Maileroo

Head-to-head on the signals that matter, from the public WordPress.org data.

Simple SMTP by Maileroo is the only plugin here with enough reviews to score.

Active-install trajectory

Simple SMTP by Maileroo moved up one install band, 700+ to 800+. That's a single step across the whole window, so there's no trajectory to draw. The download trend below moves daily.

Metric	Check-Mail-SMTP	Simple SMTP by Maileroo
Active installs Modeled from the public "N+" band and recent downloads.	10–20	800–900 ✓
Active installs, change over ~6 months Compares the public install bands. One band step shows as the band change, not a percentage.	Stable	700+ → 800+ ✓
Overall health	—	B · 78 ✓
Maintenance How recently the plugin was updated.	3/100	82/100 ✓
Rating quality Volume-adjusted review quality.	—	80/100 ✓
Support Share of forum threads marked resolved.	—	70/100 ✓
Rating (weighted for review count)	—	4.2★ ✓
Reviews	0	4 ✓
Ranking optimization How well the listing is tuned to rank on wp.org.	38/100	85/100 ✓
Removal risk Maintenance signals that precede a wp.org closure. Not an official status.	High	Low ✓
Last updated	7.5y ago	7mo ago ✓
Downloads, last 30d	37	304 ✓
Download momentum, last 30d vs prior 30d Dips that follow a release spike are normal: wp.org counts every update as a download, so the weeks after a release run lower.	-32%	+66%
Install conversion Active installs over lifetime downloads. Downloads include every update, so older and more frequently released plugins read lower.	0.6%	8.7% ✓
Category	Email & Marketing	Email & Marketing

✓ marks the stronger plugin on each row. Rows where they're level show no marker.

Release activity

Check-Mail-SMTPSimple SMTP by Maileroo

7-day average daily downloads. Downloads spike for about a week after each release as the install base re-downloads, so read this as release cadence, not growth.