WordPress’ default mail() lands in spam or vanishes. Send through your own authenticated SMTP host instead — with the password encrypted at rest, force-from, a test button and a delivery log.
Free forever. No account, no card. Talks only to the SMTP host you configure — never to Lynbro.
emails lost to spam folders, once SMTP is on.
Authenticated SMTP + force-from is the #1 fix for password resets, WooCommerce receipts and contact-form mail that never arrives.
Most SMTP plugins store the password almost in the clear. Lynbro encrypts it with libsodium and your site secret.
Everything works on the free version. No “Pro” tier, no nag screens, no account.
No "Pro" tier, no nag screens. The features other plugins paywall are here from day one.
Anything that speaks SMTP — providers or your own server.
libsodium secretbox using AUTH_KEY; never logged.
Override From name/email on every message for deliverability.
Pick your provider’s encryption; STARTTLS auto-negotiated.
Send a test and read the result + log on one screen.
Last 200 send attempts and failures, auto-capped.
Compared with the free tier of the popular SMTP plugins.
| Feature | Lynbro SMTP | WP Mail SMTP free | Easy WP SMTP free |
|---|---|---|---|
| Send via any SMTP host | ✓ | ✓ | ✓ |
| Encrypted password at rest | ✓ | — | — |
| Force-from | ✓ | ✓ | ✓ |
| Test send + delivery log | ✓ | Pro | Pro |
| No ads / no upsell nags | ✓ | — | — |
| 35 languages, Danish-first | ✓ | — | — |
Any. For Denmark/EU, Brevo, Mailgun (EU) and Amazon SES (eu-north-1) are popular; a Gmail/Microsoft 365 app password also works.
Yes — it is encrypted with libsodium using your site’s AUTH_KEY and is never written to the log or shown again after saving.
No. The plugin talks only to the SMTP server you configure. There are no external Lynbro services.
Yes — it hooks wp_mail, so every plugin that sends mail through WordPress benefits automatically.
Lynbro SMTP