Solid Mail – SMTP email and logging made by SolidWP v3.0.0
Email deliverability made SOLID. Connect to your chosen email provider with an intuitive set-it-and-forget-it SMTP plugin.
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- Audit coverage Up to date 30 versions audited
- On Plugin Auditor since Sep 6, 2026
- Last audited Sep 6, 2026
Compatibility & requirements
The PHP and WordPress versions this plugin needs, and how current its version support is.
- Requires PHP 7.4+
- Requires WordPress 6.4+
- Tested up to WP 6.9 WP 7.1.3 is current
- Version adoption 37% run the current version
Audit scores by category
125 checksHow this plugin scores across the six areas we audit, from security to accessibility.
- 92 Passed
- 26 Warnings
- 7 Failed
27 of 37 checks passed.
44 of 61 checks passed.
10 of 12 checks passed.
4 of 6 checks passed.
1 of 3 checks passed.
6 of 6 checks passed.
Code footprint
How much code ships in this plugin, and the file types that make it up.
ZIP file size
3.9 MB
4.9 MB unzipped
Total files
257
across all file types
Lines of PHP
5,258
in 50 files Medium
File types
- PHP
- OTHER
- PNG
- No ext
- Other
Top issues
The most important findings from the latest audit, ordered by severity.
- 0 Critical
- 74 High
- 49 Medium
- 129 Low
This is a preview of notable findings. Full file-level results, line numbers and code context are in the scan.
View full reportHow scores changed across versions
Across 30 audited versions of Solid Mail – SMTP email and logging made by SolidWP, Accessibility improved the most (+33). The largest regression was in Privacy (-67). The codebase grew 1513% in size.
Audited 1.1.2 → 3.0.0 · 30 versions
How issues changed across versions
Findings by severity for each audited version, so you can see which issues were fixed over time.
Download momentum
How fast this plugin is being installed lately, and whether that pace is rising or slowing.
Last 7 days
1,168
downloads
Today
101
downloads
Week over week
−16%
vs previous week
Month over month
−12%
vs previous month
Download trend: Declining. Abandonment risk: Low.
Version intelligence
63% of installs run an older version
≈ 38K+ sites on a lower-scoring version.
- v1.1
- v1.2
- v2.0
- v2.1
- v2.2
- v3.0
Maintenance & history
How actively this plugin is kept up, from its last update to its release history.
Last updated
3 mo ago
May 12, 2026
Actively maintainedRelease cadence
~ every 68 days
average between releases
Total releases
30
since Nov 2012 · 14 yrs
Contributors & developers
The people credited with building and maintaining this plugin.
Running Solid Mail in Your Site?
Solid Mail and its trademarks are used only to identify the plugin analyzed and remain the property of their owners. This is an independent Plugin Auditor audit, not affiliated with, sponsored by, or endorsed by the plugin's developer. Metadata may come from WordPress.org; scores, findings, classifications, and visualizations are independently generated by Plugin Auditor. Full disclaimer.