Custom SMTP: Email Deliverability – FREE & Easy-to-use
v2.7.5by Nicolas Verlhiac · updated 2 months ago
WordPress can't send email reliably on its own. Send through your SMTP provider, log every message, get alerts when sending breaks. Free, no upsell.
- Rank
- #12,688
- Down2 vs yesterday
- Active installs (est.)
- ≈ 222
- 200+ reported · High
- Total downloads
- 5.3K
- 5,311 all-time
- Rating
- 5.0/5
- 1 reviews
- Support resolved
- 100%
- 1 of 1 threads, last 2 months
Custom SMTP at a glance
Custom SMTP is a WordPress plugin by Nicolas Verlhiac with 200+ active installs, the #12,688 most popular plugin on WordPress.org. On a typical day it’s downloaded about 13 times, 25% more than the month before. It’s rated 5.0 out of 5 from 1 review. Version 2.7.5 came out on Aug 26, 2026 and is tested up to WordPress 7.0.8. It leads the 2 plugins tagged “mail logger”. It was first released in 2024.
Chart time range
Applies to every chart below. History from Oct 9, 2026, 31 days.
Downloads over time
Download stats303 downloads · the last 30 days
View as table
| Date | Custom SMTP |
|---|---|
| Nov 2, 2026 | 26 |
| Nov 1, 2026 | 13 |
| Oct 31, 2026 | 11 |
| Oct 30, 2026 | 16 |
| Oct 29, 2026 | 10 |
| Oct 28, 2026 | 18 |
| Oct 27, 2026 | 12 |
| Oct 26, 2026 | 10 |
| Oct 25, 2026 | 13 |
| Oct 24, 2026 | 11 |
| Oct 23, 2026 | 11 |
| Oct 22, 2026 | 38 |
| Oct 21, 2026 | 16 |
| Oct 20, 2026 | 5 |
| Oct 19, 2026 | 10 |
| Oct 18, 2026 | 10 |
| Oct 17, 2026 | 7 |
| Oct 16, 2026 | 7 |
| Oct 15, 2026 | 6 |
| Oct 14, 2026 | 11 |
| Oct 13, 2026 | 10 |
| Oct 12, 2026 | 6 |
| Oct 11, 2026 | 8 |
| Oct 10, 2026 | 9 |
| Oct 9, 2026 | 9 |
Unusual spikes are usually updates, not new installs.
Estimated installs
≈ 222 · +0.9% in the last 30 days
View as table
| Date | Estimated installs |
|---|---|
| Nov 8, 2026 | 222 |
| Nov 7, 2026 | 222 |
| Nov 5, 2026 | 223 |
| Nov 4, 2026 | 222 |
| Nov 3, 2026 | 222 |
| Nov 2, 2026 | 220 |
| Nov 1, 2026 | 220 |
| Oct 31, 2026 | 221 |
| Oct 30, 2026 | 218 |
| Oct 29, 2026 | 219 |
| Oct 28, 2026 | 217 |
| Oct 27, 2026 | 220 |
Rank over time
#12,688 · up 142 in the last 30 days
View as table
| Date | Daily snapshot |
|---|---|
| Nov 8, 2026 | #12,688 |
| Nov 7, 2026 | #12,686 |
| Nov 6, 2026 | #12,663 |
| Nov 5, 2026 | #12,668 |
| Nov 4, 2026 | #12,721 |
| Nov 3, 2026 | #12,726 |
| Nov 2, 2026 | #12,779 |
| Nov 1, 2026 | #12,774 |
| Oct 31, 2026 | #12,751 |
| Oct 30, 2026 | #12,805 |
| Oct 29, 2026 | #12,802 |
| Oct 28, 2026 | #12,844 |
| Oct 27, 2026 | #12,830 |
Growth %
Average +0.08% a day in the last 30 days
View as table
| Date | Growth |
|---|---|
| Nov 8, 2026 | 0.00% |
| Nov 7, 2026 | -0.22% |
| Nov 5, 2026 | +0.45% |
| Nov 4, 2026 | 0.00% |
| Nov 3, 2026 | +0.91% |
| Nov 2, 2026 | 0.00% |
| Nov 1, 2026 | -0.45% |
| Oct 31, 2026 | +1.38% |
| Oct 30, 2026 | -0.46% |
| Oct 29, 2026 | +0.92% |
| Oct 28, 2026 | -1.36% |
Active installs band
200+ on WordPress.org
View as table
| Date | Daily snapshot |
|---|---|
| Nov 8, 2026 | 200+ |
| Nov 7, 2026 | 200+ |
| Nov 6, 2026 | 200+ |
| Nov 5, 2026 | 200+ |
| Nov 4, 2026 | 200+ |
| Nov 3, 2026 | 200+ |
| Nov 2, 2026 | 200+ |
| Nov 1, 2026 | 200+ |
| Oct 31, 2026 | 200+ |
| Oct 30, 2026 | 200+ |
| Oct 29, 2026 | 200+ |
| Oct 28, 2026 | 200+ |
| Oct 27, 2026 | 200+ |
Search rankings
Where it appears in WordPress.org search for the searches you track, checked every day.
See where Custom 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- Rank #12844 → #12668
- Tested up to 7.0.7 → 7.0.8
Versions in use
Share of active installs on each published version, from WordPress.org.
- v2.794%
- v1.76.1%
Rating trend
5.0★★★★★1 reviews · steady in the last 30 days
Requirements & info
Version history- Version
- 2.7.5
- Requires WordPress
- 6.0
- Tested up to
- 7.0.8
- Requires PHP
- 7.4
- First released
- Apr 11, 2024
- Last updated
- Aug 26, 2026
- Releases, last 12 months
- …
Questions about Custom SMTP
How many websites use Custom SMTP?
Custom SMTP is active on 200+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #12,688 most popular plugin on WordPress.org.
How many times has Custom SMTP been downloaded?
5,311 times in total since 2024. On a typical day it’s downloaded about 13 times. See download stats
When was Custom SMTP last updated?
Version 2.7.5 came out on Aug 26, 2026 (2 months ago).
Is Custom SMTP compatible with the latest WordPress?
It’s tested up to WordPress 7.0.8, one version behind the current 7.1. Authors often update this line a few weeks after a release.
Is Custom SMTP still maintained?
Yes. Its last release was 2 months ago. Its authors resolved 1 of the 1 support threads opened in the last two months.
What rating does Custom SMTP have?
5.0 out of 5 from 1 review on WordPress.org.
What are the best alternatives to Custom SMTP?
The plugins most like Custom SMTP, by the tags they share, are WP Mail SMTP by WPForms (4M+), SureMail (200K+) and Email Deliverability (200K+). Compare all alternatives
Latest reviews
Analyze reviewsReview stats
5.0
★★★★★
1 reviews
- 5 stars: 1 reviews, 100%
- 4 stars: 0 reviews, 0%
- 3 stars: 0 reviews, 0%
- 2 stars: 0 reviews, 0%
- 1 stars: 0 reviews, 0%
- Positive
- 100%4–5★
- Mixed
- 0%3★
- Critical
- 0%1–2★
Compare with competitors
Add up to 1 competitor. No account needed.
| Metric | |
|---|---|
| Estimated installs | ≈ 222 |
| Reported installs | 200+ |
| Rating | 5.0 |
| Reviews | 1 |
| Total downloads | 5.3K |
| Author | Nicolas Verlhiac |
| First released | Apr 11, 2024 |
| Version | 2.7.5 |
| Requires WP | 6.0 |
| Requires PHP | 7.4 |
| Last updated | Aug 26, 2026 |
Alternatives to Custom SMTP
Compare all alternativesPopular plugins with the same tags, the most in common first.
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
SureMail
by Brainstorm Force
SureMail – SMTP and Email Logs Plugin with Amazon SES, Postmark, and Other Providers
- Rank
- #276
- Installs
- 200K+
- 4.7
Email Deliverability
by Elementor
Effortlessly manage transactional emails with Email Deliverability. High deliverability, logs and statistics, and no SMTP plugins needed.
- Rank
- #250
- Installs
- 200K+
- 2.5
Check & Log Email
by checkemail
Check & Log email allows you to test if your website is correctly sending emails . Overriding of email headers and carbon copying to another address.
- Rank
- #465
- Installs
- 90K+
- 4.8
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
- #586
- Installs
- 70K+
- 4.6
Solid Mail
by SolidWP
Email deliverability made SOLID. Connect to your chosen email provider with an intuitive set-it-and-forget-it SMTP plugin.
- Rank
- #673
- Installs
- 60K+
- 4.2
Side by side:Custom SMTP vs WP Mail SMTP by WPFormsCustom SMTP vs SureMailCustom SMTP vs Email Deliverability