Reliable WordPress email delivery with multiple providers, two connections, Return Path, Reply-To and visual AND/OR routing.
Alternatives to Smooth SMTP
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Kaiizen Mail Logv1.1.0
Fast, free, full-featured email logging for WordPress. Logs every wp_mail() call with zero configuration.
Mail via Resendv1.0.1
Send WordPress emails via Resend. Includes email logging and management.
GlobalDev SMTPv0.2.17
Configure WordPress email using 18 mailers, including SMTP, API and OAuth providers. Includes test email, opt-in logging, and basic DNS diagnostics.
Check & Log email allows you to test if your website is correctly sending emails . Overriding of email headers and carbon copying to another address.
Mail Doctorv1.1.0
Deliver WooCommerce emails with confidence using authenticated SMTP transports, visual diagnostics, and automated retries.
aGo Mail Pilotv1.0.0
SMTP for WordPress with 8 provider presets, step-by-step credentials wizard, DNS health check and failure alerts. Free.
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.
hq-mailv1.0.1
Configure WordPress email sending with PHP mail or SMTP, sender settings, and test email logging.
Lean SMTPv0.7.0
Free, no upsells, no telemetry. Routes wp_mail() through SMTP, Amazon SES, Mailgun, Resend, or Gmail / Google Workspace, with failure alerts and an op …