Flex SMTP
v1.0.3by Flex Plugins · updated 1 month ago
Send WordPress mail through SMTP or a provider HTTP API, with a test send and delivery log.
- Rank
- #61,294
- Up313 vs yesterday
- Active installs (est.)
- ≈ 5
- Fewer than 10 reported · High
- Total downloads
- 297
- 297 all-time
- Rating
- –
- 0 reviews
- Support resolved
- –
- 0 of 0 threads, last 2 months
Flex SMTP at a glance
Flex SMTP is a WordPress plugin by Flex Plugins with fewer than 10 active installs, the #61,294 most popular plugin on WordPress.org. On a typical day it’s downloaded about 2 times, 33% fewer than the month before. It has no reviews yet. Version 1.0.3 came out on Sep 16, 2026 and is tested up to WordPress 7.1.4. Among the 45 plugins tagged “wp-mail”, it ranks #31. It was first released in 2026.
Chart time range
Applies to every chart below. History from Oct 9, 2026, 31 days.
Downloads over time
Download stats47 downloads · the last 30 days
View as table
| Date | Flex SMTP |
|---|---|
| Oct 29, 2026 | 1 |
| Oct 28, 2026 | 1 |
| Oct 27, 2026 | 3 |
| Oct 26, 2026 | 4 |
| Oct 25, 2026 | 4 |
| Oct 24, 2026 | 0 |
| Oct 23, 2026 | 0 |
| Oct 22, 2026 | 7 |
| Oct 21, 2026 | 1 |
| Oct 20, 2026 | 0 |
| Oct 19, 2026 | 2 |
| Oct 18, 2026 | 6 |
| Oct 17, 2026 | 3 |
| Oct 16, 2026 | 0 |
| Oct 15, 2026 | 3 |
| Oct 14, 2026 | 1 |
| Oct 13, 2026 | 1 |
| Oct 12, 2026 | 5 |
| Oct 11, 2026 | 1 |
| Oct 10, 2026 | 2 |
| Oct 9, 2026 | 2 |
Unusual spikes are usually updates, not new installs.
Estimated installs
≈ 5 · +400.0% in the last 30 days
View as table
| Date | Estimated installs |
|---|---|
| Nov 8, 2026 | 5 |
| Nov 7, 2026 | 5 |
| Nov 5, 2026 | 5 |
| Nov 4, 2026 | 1 |
| Nov 3, 2026 | 3 |
| Nov 2, 2026 | 3 |
| Nov 1, 2026 | 2 |
| Oct 31, 2026 | 2 |
| Oct 30, 2026 | 2 |
| Oct 29, 2026 | 1 |
| Oct 28, 2026 | 1 |
| Oct 27, 2026 | 1 |
Rank over time
#61,294 · up 11,215 in the last 30 days
View as table
| Date | Daily snapshot |
|---|---|
| Nov 6, 2026 | #61,294 |
| Nov 5, 2026 | #61,607 |
| Nov 4, 2026 | #73,018 |
| Nov 2, 2026 | #66,861 |
| Oct 30, 2026 | #71,317 |
| Oct 27, 2026 | #72,509 |
Growth %
Average +14.35% a day in the last 30 days
View as table
| Date | Growth |
|---|---|
| Nov 8, 2026 | 0.00% |
| Nov 7, 2026 | 0.00% |
| Nov 5, 2026 | +400.00% |
| Nov 4, 2026 | -66.67% |
| Nov 3, 2026 | 0.00% |
| Nov 2, 2026 | +50.00% |
| Nov 1, 2026 | 0.00% |
| Oct 31, 2026 | 0.00% |
| Oct 30, 2026 | +100.00% |
| Oct 29, 2026 | 0.00% |
| Oct 28, 2026 | 0.00% |
Active installs band
Fewer than 10 on WordPress.org
View as table
| Date | Daily snapshot |
|---|---|
| Nov 8, 2026 | Fewer than 10 |
| Nov 7, 2026 | Fewer than 10 |
| Nov 6, 2026 | Fewer than 10 |
| Nov 5, 2026 | Fewer than 10 |
| Nov 4, 2026 | Fewer than 10 |
| Nov 3, 2026 | Fewer than 10 |
| Nov 2, 2026 | Fewer than 10 |
| Nov 1, 2026 | Fewer than 10 |
| Oct 31, 2026 | Fewer than 10 |
| Oct 30, 2026 | Fewer than 10 |
| Oct 29, 2026 | Fewer than 10 |
| Oct 28, 2026 | Fewer than 10 |
| Oct 27, 2026 | Fewer than 10 |
Search rankings
Where it appears in WordPress.org search for the searches you track, checked every day.
See where Flex SMTP ranks in search
Track this plugin to check its position for the searches you choose, daily, with an alert when it moves.
Change log
From our daily snapshot of WordPress.org- Tested up to 7.1.3 → 7.1.4
Requirements & info
Version history- Version
- 1.0.3
- Requires WordPress
- 6.2
- Tested up to
- 7.1.4
- Requires PHP
- 7.4
- First released
- Aug 25, 2026
- Last updated
- Sep 16, 2026
- Releases, last 12 months
- …
Questions about Flex SMTP
How many websites use Flex SMTP?
Flex SMTP is active on fewer than 10 WordPress sites, as WordPress.org reports it. That makes it the #61,294 most popular plugin on WordPress.org.
How many times has Flex SMTP been downloaded?
297 times in total since 2026. On a typical day it’s downloaded about 2 times. See download stats
When was Flex SMTP last updated?
Version 1.0.3 came out on Sep 16, 2026 (1 month ago).
Is Flex SMTP compatible with the latest WordPress?
Yes. It’s tested up to WordPress 7.1.4, the current version.
Is Flex SMTP still maintained?
Yes. Its last release was 1 month ago. No support threads were opened in the last two months.
What rating does Flex SMTP have?
No one has reviewed Flex SMTP on WordPress.org yet.
What are the best alternatives to Flex SMTP?
The plugins most like Flex SMTP, by the tags they share, are SMTP Mailer (70K+), Zoho Mail for WordPress (20K+) and Gmail SMTP (10K+). Compare all alternatives
Compare with competitors
Add up to 1 competitor. No account needed.
| Metric | |
|---|---|
| Estimated installs | ≈ 5 |
| Reported installs | Fewer than 10 |
| Rating | – |
| Reviews | 0 |
| Total downloads | 297 |
| Author | Flex Plugins |
| First released | Aug 25, 2026 |
| Version | 1.0.3 |
| Requires WP | 6.2 |
| Requires PHP | 7.4 |
| Last updated | Sep 16, 2026 |
Alternatives to Flex SMTP
Compare all alternativesPopular plugins with the same tags, the most in common first.

SMTP Mailer
by Noor Alam
Configure a SMTP server to send email from your WordPress site. Configure the wp_mail() function to use SMTP instead of the PHP mail() function.
- Rank
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- Installs
- 70K+
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Zoho Mail for WordPress
by Zoho Mail
Zoho Mail Plugin lets you configure your Zoho Mail account on your WordPress site enabling you to send the email via Zoho Mail API.
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- #1,388
- Installs
- 20K+
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Gmail SMTP
by Noor Alam
Connect to Gmail SMTP server to automatically send email from your WordPress site. Configure wp_mail() to use SMTP with OAuth 2.0 authentication.
- Rank
- #1,873
- Installs
- 10K+
- 4.1

WPO365
by Marco van Wieren
Send WordPress emails from a M365 / Exchange Online Mailbox using Microsoft Graph, leveraging OAuth for authentication which is more secure than SMTP
- Rank
- #1,659
- Installs
- 10K+
- 5.0

Configure SMTP
by Scott Reilly
Configure SMTP mailing in WordPress, including support for sending email via SSL/TLS (such as Gmail).
- Rank
- #2,889
- Installs
- 6K+
- 4.9

WP Mail SMTP by WPForms
by Syed Balkhi
Make email delivery easy for WordPress. Connect with SMTP, Gmail, Brevo, SendGrid, Amazon SES + more, with powerful WordPress SMTP Email plugin.
- Rank
- #12
- Installs
- 4M+
- 4.8
Side by side:Flex SMTP vs SMTP MailerFlex SMTP vs Zoho Mail for WordPressFlex SMTP vs Gmail SMTP
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