Solid Mail – SMTP email and logging made by SolidWP
by SolidWP 4.2 (52 reviews)

Solid Mail – SMTP email and logging made by SolidWP

Email deliverability made SOLID. Connect to your chosen email provider with an intuitive set-it-and-forget-it SMTP plugin.

Solid Mail ranks #659 among WordPress.org plugins with 60,000+ active installations, is #50 of 3,341 in the Communication category, a 4.2/5 rating from 52 reviews, and was last updated May 12, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 6.9.7 (Current: 7.1)
v3.0.0 Current Version v3.0.0
Updated 4 months ago Last Update on 12 May, 2026
Refreshed 11 hours ago Last Refreshed on
#50 of 3,341 in Communication Top 1% by installs Downloads -29.5% this week
View on WordPress.org
Rank
#659
-1 this week
Active Installs
60K+
-8.2%
KW Avg Position
17
No change
Downloads
1.2M
+130 today
Support Resolved
0%
No change
Rating
84%
Review 4.2 out of 5
4.2 (52 reviews)

Next Milestone 70K

Total Progress 43.2%
60K+ 70K+
42
Ranks to Climb
-
Growth Needed
8,000,000
Active Installs
Pro

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Need 5,676 more installs to reach 70K+

Rank Changes

624 641 658 675 692 08-09-2026 09-09-2026 10-09-2026 11-09-2026 12-09-2026 13-09-2026 14-09-2026 15-09-2026
624 641 658 675 692 31-08-2026 01-09-2026 02-09-2026 03-09-2026 04-09-2026 05-09-2026 06-09-2026 07-09-2026 08-09-2026 09-09-2026 10-09-2026 11-09-2026 12-09-2026 13-09-2026 14-09-2026 15-09-2026
Current #659
Change
Best #

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Active Installs Growth

Active Installs 0,000,000+
Growth +0.0%
Peak 0,000,000

Downloads Growth

0 100 200 08-09-2026 09-09-2026 10-09-2026 11-09-2026 12-09-2026 13-09-2026 14-09-2026 15-09-2026
50 100 150 200 250 31-08-2026 01-09-2026 02-09-2026 03-09-2026 04-09-2026 05-09-2026 06-09-2026 07-09-2026 08-09-2026 09-09-2026 10-09-2026 11-09-2026 12-09-2026 13-09-2026 14-09-2026 15-09-2026
Downloads
Growth
Peak

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Reviews & Ratings

4.2
52 reviews
Overall 84%
5
41 (79%)
4
1 (2%)
3
0 (0%)
2
1 (2%)
1
9 (17%)

Support Threads Overview

Resolved
Unresolved
1
Total Threads
0
Resolved
1
Unresolved
0%
Resolution Rate

Security History

Source: WPVulnerability

2 known vulnerabilities on record · 1 in the last 24 months · checked 1 week ago

  1. Solid Mail – SMTP email and logging made by SolidWP [wp-smtp] < 2.1.6

    CVE-2025-1123 · Fixed in v2.1.6

  2. Solid Mail – SMTP email and logging made by SolidWP [wp-smtp] < 1.2.7

    CVE-2024-1789 · Fixed in v1.2.7

TL;DR

AI summary of the plugin's readme

This plugin is for WordPress site owners who want reliable email delivery from their site. It solves deliverability problems caused by PHP Mail by connecting WordPress to SMTP-based email service providers and logging every email sent.

  • SendGrid integration
  • MailGun integration
  • Brevo integration
  • Amazon SES integration
  • Postmark integration
  • Manual SMTP connection
  • Multiple ESP connections with fallback
  • Email logging and inspection

Frequently Asked Questions

Common questions about Solid Mail – SMTP email and logging made by SolidWP

Currently, Solid Mail supports the following SMTP services: * SendGrid * MailGun * Brevo (formally Sendinblue) * Amazon SES * Postmark * Manual connection (connect to any SMTP email service provider) We are considering additional SMTP services for our roadmap. If you have specific recommendations that you’d like to see added, contact us here.
Solid Mail is 100% free, and we provide top-notch technical support for all users here.
✉️SendGrid ✉️ When you want to send transactional and marketing emails at scale, SendGrid from Twilio is a preferred option for millions of users worldwide. SendGrid offers free and paid options, lets you get started quickly, and is well suited for both large and small businesses. 📧MailGun 📧 MailGun is known as a flexible, scalable, and reliable platform. With MailGun, you can select a package that works best for your monthly delivery needs, starting as low as 100 emails per day (currently free). MailGun also offers Optimization packages that help with email address validation, inbox placement tests, and more. ⏩Brevo ⏩ Brevo, formerly sendinblue, is a top-rated email marketing solution that is easy to use but also offers powerful deliverability – even with their free plan. 🚀Amazon SES 🚀 Amazon SES (Simple Email Service) ensures compliance and efficiency at competitive prices. It’s a cloud-based email service for transactional, marketing, and newsletter emails – including at high volume.
To configure your WordPress website to send email using any SMTP email provider with Solid Mail, follow these steps: Navigate to “Solid Mail > Connections Select the appropriate email provider from the dropdown Add the credentials for that email provider. For more information, see the documentation.
Yes! You can create multiple connections, each using a different service, and send mail via those connections based on the From: address of the message being sent. This is especially useful if you’d like to use different services to send mail for various operational needs i.e., configure a connection to handle transactional emails sent from your WooCommerce store address, another for WordPress account-related emails, etc.
For peace of mind, you can set a Default connection as your site’s fallback. If a connection fails or an email is sent from an address without a matching connection, it will be automatically sent through the Default connection for a second delivery attempt.

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