94
FluentSMTP – WP SMTP Plugin with Amazon SES, SendGrid, MailGun, Postmark, Google and Any SMTP Provider
A rare free win for email deliverability without the sales pitch.
HealthyGrowing
94/100
The plugin offers extensive provider support and stays completely free without annoying upsells.
Active installs
~650,000
our estimate · wp.org shows 600k+
Rating
4.8★
377 ratings
Trend · vs a year ago
+53%
Growing fast
1,531 → 2,343 installs/day
Downloads over time
real new installs per day · release spikes shown separately from the trend2025-04-302025-08-082025-11-162026-02-232026-06-03
organicrelease spikerelease tailorganic trend · 14d rolling median
Growing fast · +53% in the last year
1,531/day a year ago→2,343/day today
Reviews
what people actually sayFluentSMTP is a well-regarded free SMTP plugin for WordPress, praised for its broad provider support, clean feature set, and responsive support team, with only isolated and vague complaints about reliability.
What people like
- +Completely free with no upsells or Pro-version clutter×2
- +Supports multiple simultaneous connections and fallback email routing×2
- +Supports a wide range of providers including Amazon SES, SendGrid, MailGun, Postmark, Microsoft/Office 365, and Google×2
- +Easy to configure and test, with good documentation×2
- +Lightweight and non-bloated feature set×2
- +Responsive, patient, and helpful support team
- +Advanced features like Slack/Telegram/Discord bot notifications on email failure
- +Works stably and reliably for most users×2
Common complaints
- −At least one user reports emails not sending at all, calling the plugin unreliable
- −Some provider configurations (e.g. Office 365) require non-default mailbox settings that are not always obvious to users
Review trustReviews look organic
- 4.84★Verified rating — holds steady vs the raw 4.80★
- 9%One-shot reviewers — most reviewers are active community members
Reviews per month · 5★ vs lower
2025-04-102025-11-062026-06-04
5★ reviews1–4★ reviews
All-time ratings · 377 total
Latest reviews · 90 analyzed
- 2026-06-02★★★★★Very good E-Mail Pluginteamakesgames
- 2026-05-28★★★★★Simple et efficaceGARCIA
- 2026-05-23★★★★★Best SMTP Plugin Ever !!!bufferrex
- 2026-05-21★★★★★Best SMTP Plugin on the MarketMaurice Hason
- 2026-05-18★★★★★works well, well documented and good supportping16
- 2026-05-17★★★★★Отличный плагин SMTPlectorrr
- 2026-04-18★★★★★Greatlethaldiranmx
- 2026-04-17★★★★★Microsoft API Integrationjyotideshmukh
- 2026-04-13★★★★★Great functionality with no strings attachedwu-wei
- 2026-04-09★★★★★excellent plugin with amazing support behind ithominemodi
Releases
recent versions from WordPress.org SVNAlternatives to FluentSMTP
Top Email plugins, ranked by score.For developers & the curious
the raw signals behind the grade — none of this is on the friendly summary aboveDownload signals
Baselines are computed on organic days only — release spikes and their tails are excluded, so they're not inflated by the auto-update wave.
2,330
Baseline · median of last 7 organic days
2,310
Prior 7-day baseline
1,537
Floor · 25th percentile over 14 days
2,330
Latest day · 2026-06-03(organic)
+0.9%
Week-over-week organic trend
Review signals
Concentration and drive-by metrics drive the review-burst and fake-review flags. 30–40% solo reviewers is normal; we only flag the extremes.
20%
Max month share · biggest single 30-day window
0.79
Distribution CV · <0.6 even, >1.5 bursty
96%
5★ share in analyzed sample
9%
Solo reviewers · only this one wp.org activity
-11%
Volume velocity · last 6mo vs prior 6mo
4.86 → 4.84★
Sample avg · raw → solo-filtered