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Post SMTP – Complete Email Delivery and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App

v4.0.2

by Saad Iqbal · updated 1 month ago

Install Post SMTP (WordPress SMTP Plugin) to fix WordPress email delivery. Connect Gmail SMTP, Microsoft 365, Brevo, SendGrid, Zoho, Amazon SES, etc.

email logsgmail smtpoffice 365smtpwordpress smtp
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#161
No change0 vs yesterday
Active installs (est.)
≈ 370,000
300K+ reported · Low
Total downloads
20.5M
20,499,919 all-time
Rating
4.7/5
528 reviews
Support resolved
79%
11 of 14 threads, last 2 months
Declining·Downloads -31.3% (30d)·Toward 200K+ · ETA ~45d

Post SMTP at a glance

Post SMTP is a WordPress plugin by Saad Iqbal with 300K+ active installs, the #161 most popular plugin on WordPress.org. On a typical day it’s downloaded about 2,726 times, 31% fewer than the month before. It’s rated 4.7 out of 5 from 528 reviews. Version 4.0.2 came out on Sep 24, 2026 and is tested up to WordPress 7.1.4. It leads the 6 plugins tagged “office 365”. It was first released in 2017.

Chart time range

Applies to every chart below. History from Oct 9, 2026, 31 days.

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

Downloads over time

Download stats

86.2K downloads · the last 30 days

Downloads over time
Post SMTP Compare series
Downloads over time: 30 days across 1 series.2K4K6KOct 9Oct 14Oct 19Oct 24Oct 28Nov 2Nov 7Oct 30, 2026: Tested up to 7.1.4
View as table
DatePost SMTP
Nov 7, 20261,160
Nov 6, 20262,207
Nov 5, 20262,615
Nov 4, 20262,641
Nov 3, 20263,031
Nov 2, 20262,811
Nov 1, 20261,389
Oct 31, 20261,282
Oct 30, 20262,909
Oct 29, 20263,348
Oct 28, 20263,527
Oct 27, 20262,924
Oct 26, 20263,209
Oct 25, 20261,567
Oct 24, 20261,991
Oct 23, 20263,666
Oct 22, 20265,888
Oct 21, 20265,006
Oct 20, 20263,352
Oct 19, 20263,328
Oct 18, 20261,326
Oct 17, 20261,525
Oct 16, 20262,779
Oct 15, 20263,744
Oct 14, 20263,145
Oct 13, 20264,866
Oct 12, 20263,854
Oct 11, 20261,646
Oct 10, 20261,963
Oct 9, 20263,489

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 366,388 · +0.6% in the last 30 days

Estimated installs
Estimated installs: 12 days across 1 series.364K365K366K367KOct 27Oct 29Oct 31Nov 2Nov 4Nov 8Oct 30, 2026: Tested up to 7.1.4
View as table
DateEstimated installs
Nov 8, 2026366,388
Nov 7, 2026365,964
Nov 5, 2026366,919
Nov 4, 2026366,485
Nov 3, 2026365,560
Nov 2, 2026365,088
Nov 1, 2026363,558
Oct 31, 2026364,758
Oct 30, 2026364,879
Oct 29, 2026366,058
Oct 28, 2026365,249
Oct 27, 2026364,219

Rank over time

#161 · down 1 in the last 30 days

Popular rank
Popular rank: 16 days across 1 series.#159#160#161#162Oct 16Oct 19Oct 27Oct 31Nov 4Nov 8Oct 30, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 8, 2026#161
Nov 7, 2026#161
Nov 6, 2026#160
Nov 5, 2026#160
Nov 4, 2026#160
Nov 3, 2026#161
Nov 2, 2026#161
Nov 1, 2026#162
Oct 31, 2026#162
Oct 30, 2026#161
Oct 29, 2026#161
Oct 28, 2026#161
Oct 27, 2026#161
Oct 21, 2026#159
Oct 19, 2026#159
Oct 16, 2026#160

Growth %

Average +0.05% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 11 days across 1 series.0%Oct 28Oct 30Nov 1Nov 4Nov 8
View as table
DateGrowth
Nov 8, 2026+0.12%
Nov 7, 2026-0.13%
Nov 5, 2026+0.12%
Nov 4, 2026+0.25%
Nov 3, 2026+0.13%
Nov 2, 2026+0.42%
Nov 1, 2026-0.33%
Oct 31, 2026-0.03%
Oct 30, 2026-0.32%
Oct 29, 2026+0.22%
Oct 28, 2026+0.28%

Active installs band

300K+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 16 days across 1 series.290K300K310KOct 16Oct 19Oct 27Oct 31Nov 4Nov 8Oct 30, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 8, 2026300K+
Nov 7, 2026300K+
Nov 6, 2026300K+
Nov 5, 2026300K+
Nov 4, 2026300K+
Nov 3, 2026300K+
Nov 2, 2026300K+
Nov 1, 2026300K+
Oct 31, 2026300K+
Oct 30, 2026300K+
Oct 29, 2026300K+
Oct 28, 2026300K+
Oct 27, 2026300K+
Oct 21, 2026300K+
Oct 19, 2026300K+
Oct 16, 2026300K+

Search rankings

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

See where Post SMTP ranks in search

Track this plugin to check its position for the searches you choose, daily, with an alert when it moves.

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Change log

From our daily snapshot of WordPress.org
  1. Rank #161 → #160Downloads -26.2%
    • Tested up to 7.1.3 → 7.1.4

Versions in use

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

  • v4.060%
  • v3.912%
  • Other29%

Rating trend

4.7★★★★★528 reviews · steady in the last 30 days

Requirements & info

Version history
Version
4.0.2
Requires WordPress
5.6.0
Tested up to
7.1.4
Requires PHP
7.1
First released
Oct 15, 2017
Last updated
Sep 24, 2026
Releases, last 12 months
…

Questions about Post SMTP

How many websites use Post SMTP?

Post SMTP is active on 300K+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #161 most popular plugin on WordPress.org.

How many times has Post SMTP been downloaded?

20,499,919 times in total since 2017. On a typical day it’s downloaded about 2,726 times. See download stats

When was Post SMTP last updated?

Version 4.0.2 came out on Sep 24, 2026 (1 month ago). See every release

Is Post SMTP compatible with the latest WordPress?

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

Does Post SMTP have known security vulnerabilities?

None that affect the current version. WPVulnerability’s database lists 37 older issues, fixed in earlier versions, so keep Post SMTP up to date. See its security record

Is Post SMTP still maintained?

Yes. Its last release was 1 month ago. Its authors resolved 11 of the 14 support threads opened in the last two months.

What rating does Post SMTP have?

4.7 out of 5 from 528 reviews on WordPress.org. 91% of them give 5 stars.

What are the best alternatives to Post SMTP?

The plugins most like Post SMTP, by the tags they share, are GoSMTP (500K+), SureMail (200K+) and Icegram Mailer (2K+). Compare all alternatives

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

4.7

★★★★★

528 reviews

  • 5 stars: 478 reviews, 91%
  • 4 stars: 6 reviews, 1%
  • 3 stars: 6 reviews, 1%
  • 2 stars: 3 reviews, 1%
  • 1 stars: 35 reviews, 7%
Positive
92%4–5★
Mixed
1%3★
Critical
7%1–2★
  • About 140 more 5★ reviews would lift it to 4.8.
  • Each new 1★ review takes 12 five-star reviews to balance out.

Compare with competitors

Add up to 1 competitor. No account needed.

Starter · 1 competitor
Post SMTP
Suggested:
Metric
Post SMTP
Estimated installs≈ 370,000
Reported installs300K+
Rating4.7
Reviews528
Total downloads20.5M
AuthorSaad Iqbal
First releasedOct 15, 2017
Version4.0.2
Requires WP5.6.0
Requires PHP7.1
Last updatedSep 24, 2026

Alternatives to Post SMTP

Compare all alternatives

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Side by side:Post SMTP vs GoSMTPPost SMTP vs SureMailPost SMTP vs Icegram Mailer

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