Solid Mail – SMTP email and logging made by SolidWP
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About
Email deliverability made SOLID. Connect to your chosen email provider with an intuitive set-it-and-forget-it SMTP plugin.
Security History
What It Does
Solid Mail replaces WordPress's default PHP mail function with a proper SMTP connection, letting site owners route outgoing transactional emails through a chosen provider like SendGrid, Mailgun, or any custom SMTP server. It also logs every email sent from the site, so administrators can verify delivery, debug failures, and audit message history directly from the WordPress dashboard.
Who It's For
This plugin suits small to mid-sized business owners running WooCommerce stores, membership sites, or appointment booking platforms who need reliable transactional email delivery without wrestling with complex server configuration. It is also a sensible fit for agencies managing several client sites who want a clean, set-and-forget SMTP layer backed by a vendor they already trust in the SolidWP ecosystem.
Who Should Skip It
Sites that already run reliably on a full-featured solution like WP Mail SMTP, FluentSMTP, or Post SMTP have little reason to switch, since those alternatives offer broader integrations and larger communities. Developers needing advanced features such as backup mailers, multi-connector failover, or detailed alerting will find Solid Mail's feature set too lean.
The Bottom Line
Solid Mail is a well-maintained, compatible SMTP and logging plugin that delivers exactly what it promises, but it operates in a crowded category where WP Mail SMTP, FluentSMTP, and Post SMTP already dominate with larger install bases and richer integrations. It is worth a look for SolidWP fans or anyone wanting a clean, minimal SMTP layer, though most users will get more value from a category leader.
Related Plugins
Pick this if you want the largest user base, the widest range of mailer integrations, and the deepest documentation in the SMTP category.
Choose FluentSMTP when you need first-party connectors for Amazon SES, SendGrid, Mailgun, Postmark, or Google Workspace and prefer a free, lightweight option.
Opt for Post SMTP if backup SMTP failover, failure alerts, and a companion mobile app for monitoring are priorities for your site.
Select MC4WP when your primary need is Mailchimp list management and newsletter subscription forms rather than general transactional SMTP routing.
Go with Easy WP SMTP if you want Gmail, Office 365, and Outlook presets with email logging at a slightly lower complexity than WP Mail SMTP.