Frumbik SMTP
WordPress uses the PHP mail() function by default, which often results in emails being marked as spam or not delivered at all. Frumbik SMTP replaces the default mail function with authenticated SMTP or API-based email delivery through your chosen provider. Connect Gmail, SendGrid, Amazon SES, or any
WordPress uses the PHP mail() function by default, which often results in emails being marked as spam or not delivered at all. Frumbik SMTP replaces the default mail function with authenticated SMTP or API-based email delivery through your chosen provider.
Connect Gmail, SendGrid, Amazon SES, or any SMTP server — and all emails WordPress sends will be properly authenticated, encrypted, and delivered.
Key Features
Frumbik SMTP provides the following capabilities, all included in the free version:
🔄 Automatic Failover — If your primary provider goes down, emails automatically route to your backup provider.
📊 Dashboard — Real-time delivery stats, success rates, and charts. See what is happening with your emails at a glance.
📋 Complete Email Log — Every email logged with status, timestamps, headers, and source plugin. Search, filter, resend, or export — all from one screen.
🔐 Strong Security — AES-256-CBC encryption for all credentials. Security scoring dashboard with actionable recommendations.
⚡ Background Queue — High-traffic site? Queue emails for async delivery so your pages load fast while emails send in the background.
🎯 Smart Routing — Route WooCommerce emails through SendGrid, contact forms through Mailgun, and newsletters through Amazon SES — all automatically.
9 Providers, One Plugin
Connect to any email service without installing separate add-ons:
- Other SMTP — Any SMTP server (Gmail, Outlook, Yahoo, your hosting, custom servers)
- SendGrid — Transactional email API by Twilio
- Mailgun — Email API by Sinch
- Postmark — Transactional email delivery by ActiveCampaign
- Brevo (formerly Sendinblue) — Marketing and transactional email
- SparkPost — Email delivery by MessageBird
- Amazon SES — AWS Simple Email Service (v2 API with Signature v4)
- Microsoft 365 / Outlook — Microsoft Graph API with OAuth 2.0
- Gmail API — Google Gmail API with OAuth 2.0
All providers are included in the plugin.
