Lean SMTP
PulseGate's liveness check found it on 12 Sep 2026; it is registered on WordPress.org and has been in the index since 5 Aug 2026. How this is checked
Lean SMTP is a minimal, no-upsell WordPress plugin that improves email deliverability by routing all wp_mail() calls through professional mail services. It supports plain SMTP as well as dedicated API transports for Amazon SES, Mailgun, and Resend. The plugin includes failure alerts, an optional send log, encrypted credential storage, and WP-CLI support. It sends no telemetry and contains no paid features.
Inferred · not functionally tested
Overview
5 featuresPurpose: Poor email deliverability caused by using a web host's default PHP mail function.
Inferred · not functionally tested
Audience: WordPress site owners and developers needing reliable transactional email
Inferred · not functionally tested
Functions: Unknown
Interfaces: API: indicated (inferred, not tested) · MCP: unknown · CLI: unknown · Self-hosting: indicated (inferred, not tested)
Recorded constraints: pricing: free · license: Proprietary · platforms: WEB · deployment: browser, self_hosted
Constraint provenance is unknown; confirm requirements with the publisher.
Record sources: wordpress.org · wordpress.org. These links do not verify the individual claims.
Lean SMTP is an Email & SMS campaigns project. Inferred · not functionally tested: Poor email deliverability caused by using a web host's default PHP mail function. Inferred · not functionally tested: Lean SMTP is a B2B product aimed at wordPress site owners and developers needing reliable transactional email. Basis unknown · not verified: It is available for free. Basis unknown · not verified: It runs on the web, and it can be self-hosted.
pjaudiomv builds and maintains Lean SMTP, and it first shipped in 2026. Inferred · not functionally tested: Among its 5 catalogued features are SMTP Routing, API Transport Support, and Failure Alerts. Inferred · not functionally tested: Catalogued interfaces include a public API.
Summary written by a language model from the project’s public pages.
Tasks: Inferred · not functionally tested
- SMTP Routing
- API Transport Support
- Failure Alerts
- Send Log
- WP-CLI Integration
Topics: Inferred · not functionally tested
Built with & integrations
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
Frequently asked questions about Lean SMTP
- What does Lean SMTP do?
- Inferred · not functionally tested: Poor email deliverability caused by using a web host's default PHP mail function. It is catalogued under Email & SMS campaigns on PulseGate.
- Who should use Lean SMTP?
- Inferred · not functionally tested: Lean SMTP is a B2B product built for wordPress site owners and developers needing reliable transactional email.
- Does Lean SMTP have a free plan?
- Basis unknown · not verified: Yes — Lean SMTP is free to use.
- What platforms does Lean SMTP run on?
- Basis unknown · not verified: Lean SMTP runs on the web. It can also be self-hosted.
- Is Lean SMTP still active?
- PulseGate's liveness check found it on 12 Sep 2026.
- What projects are similar to Lean SMTP?
- Similar projects tracked by PulseGate include Mesh SMTP, Simple SMTP Mailer, and Smooth SMTP.Mesh SMTPSimple SMTP MailerSmooth SMTP
- Who develops Lean SMTP?
- Lean SMTP is developed by pjaudiomv.
- When did Lean SMTP launch?
- Lean SMTP first shipped in 2026.
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