SignEmail SMTP & DNS Diagnostic
by smtpdkim · Email & Marketing
Stop WordPress emails from going to spam. Send emails via SMTP and check SPF, DKIM, DMARC records to improve email deliverability.
78 health vs 63 average across 1,297 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 2026-04-26 · 129 days · wp.org + Plugin Pulse archive
30-day downloads
Rolling 30-day volume · peaks are release surges
40
now · peak 105
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
Release cadence
Occasionally updatedHow often this plugin actually ships. A steady rhythm is the maintenance signal a single "last updated" date can't show.
1
releases in the last 12 months
4mo ago
latest release · v2.4.37
1
tagged releases on record
Recent releases
Estimated active installs
The public count shows “—”. Our estimate pins where the real number sits.
Modeled within the band wp.org reports; tightens as we track daily.
Install history · since 2026-04-25 · 88 observations
Details
Growth timeline
Install-tier crossings we have observed, and how long each tier took to outgrow
No tier crossings observed yet.
Competes with
The plugins that solve the same job, ranked by shared tags then reach, closest match first. The letter on the right is each plugin's health grade (A best, F worst).
-
WP Mail Logging 300K+ installs · 4.7★ · 3 shared tags A -
SMTP Mailer 70K+ installs · 4.5★ · 3 shared tags A -
Gmail SMTP 10K+ installs · 4.1★ · 3 shared tags B -
Simple SMTP 2K+ installs · 4.4★ · 3 shared tags B -
SMTP by BestWebSoft 1K+ installs · 4.2★ · 3 shared tags C -
Deliverability – pass DKIM, SPF, DMARC & more 700+ installs · 4.1★ · 3 shared tags B
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<iframe src="https://plugins.wpmayor.com/embed/signemail-smtp-dns-diagnostic" width="480" height="300" style="border:0" loading="lazy" title="SignEmail SMTP & DNS Diagnostic — Plugin Pulse"></iframe> SignEmail SMTP & DNS Diagnostic: — active installs, 0.0★ (0 reviews). Plugin Pulse (WP Mayor), as of 2026-09-01. https://plugins.wpmayor.com/plugin/signemail-smtp-dns-diagnostic