FluentSMTP – WP Mail SMTP Plugin with Amazon SES, SendGrid, Mailgun, Postmark, Cloudflare, toSend, Gmail and Any SMTP
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About
Free WP Mail SMTP plugin. Fix WordPress email deliverability with Gmail, Amazon SES, SendGrid, Mailgun, Postmark, Cloudflare, Brevo or any SMTP.
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What It Does
FluentSMTP routes all outbound WordPress emails through a dedicated SMTP service instead of relying on the default PHP mail function, which most hosting servers configure poorly. It ships with native integrations for Amazon SES, SendGrid, Mailgun, Postmark, Brevo, Sparkpost, and Google, plus a fallback option for any custom SMTP server. Built-in email logging and failure notifications let you track what was sent and resend or debug messages that did not arrive.
Who It's For
This plugin fits site owners who send any kind of transactional email, from WooCommerce order confirmations to membership renewals, and need reliable delivery through a third-party SMTP provider. It is particularly useful for agencies or freelancers managing multiple WordPress sites on a budget, since the core plugin is free and the listed providers all have generous free tiers. Small businesses with even modest email volume will benefit over the default WordPress mail setup.
Who Should Skip It
If your site sends only a handful of emails per month and your host already has reliable mail configured, you likely do not need this plugin. Developers who want full programmatic control over mail transport or need deep queue management should look at a more developer-oriented solution.
The Bottom Line
FluentSMTP delivers solid SMTP routing with native support for all the major transactional email providers at no cost, making it an easy recommendation for most WordPress sites that have outgrown the default mail function. Its 91.43 overall score and consistent updates place it just behind WP Mail SMTP, but the free feature set and clean interface give it real appeal for budget-conscious site owners. If you need backup SMTP failover or advanced alerting, look at Post SMTP instead.
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