Reliable WordPress email delivery with multiple providers, two connections, Return Path, Reply-To and visual AND/OR routing.
Alternatives to Kaddora MailFlow 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.
MME-Mail to SMTPv1.1.1
Sends WordPress email through Gmail, SendGrid, Mailgun, Brevo, Postmark, Resend, SMTP2GO or any SMTP server - and tells you when a message fails.
Free SMTP and Email Log plugin for WordPress. Connect any SMTP provider, log every email, get failure alerts. Bitcoin SMTP.
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.
Free WordPress SMTP plugin with email logs, open & click tracking, reports & charts, CSV export, and WooCommerce email preview.
AHA Mail SMTPv2.0.2
A modern, user-friendly WordPress SMTP plugin that ensures your emails are delivered reliably to the inbox instead of spam folders.
Ultra lightweight SMTP plugin (~4KB). Encrypted passwords, zero bloat, and simple setup for Gmail, Outlook, and any mail server.
Fix WordPress emails not sending. SMTP plugin with Email Logs for Gmail, Outlook, SendGrid, Mailgun. Easy Setup, reliable delivery.
Free WP Mail SMTP plugin. Fix WordPress email deliverability with Gmail, Amazon SES, SendGrid, Mailgun, Postmark, Cloudflare, Brevo or any SMTP.
Easy, free SMTP mail plugin. Send WordPress email via Gmail, Outlook, Amazon SES, SendGrid, Brevo or any SMTP, with email logs, failover and routing.