manifest / email / wp-nanopost-smtp

nanoPost SMTP

Zero-config email delivery for WordPress

by nanoPost · github.com/nanopost/wp-nanopost-smtp · website

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Install

No release zip yet. The repository archive installs, but the folder name will carry the branch suffix and updates will not flow:

wp plugin install https://github.com/nanopost/wp-nanopost-smtp/archive/refs/heads/main.zip

Readme

nanoPost SMTP

Zero-config email delivery for WordPress. Reliable SMTP without the setup headaches.

Description

nanoPost SMTP provides reliable email delivery for your WordPress site with zero configuration required.

Features

Automatic registration - just activate and emails start flowing
Replaces wp_mail() with reliable SMTP delivery
Domain verification support for improved deliverability
WP-CLI commands for power users
Debug mode for troubleshooting

How it works

Activate the plugin
Your site automatically registers with nanoPost
All WordPress emails are now sent through our reliable infrastructure

No API keys to copy. No SMTP credentials to configure. It just works.

Installation

Upload the nanopost-smtp folder to the /wp-content/plugins/ directory
Activate the plugin through the 'Plugins' menu in WordPress
That's it! Your site is automatically registered and ready to send emails

You can verify the connection at Settings > nanoPost.

WP-CLI Commands

nanoPost SMTP includes full WP-CLI support for managing the plugin from the command line.

`wp nanopost status`

Show registration status and configuration.

wp nanopost status

Options:

Option	Description
`--verify`	Perform round-trip verification with nanoPost API

Examples:

# Show current status
wp nanopost status

# Verify API can reach this site
wp nanopost status --verify

`wp nanopost register`

wp nanopost register

Options:

Option	Description
`--force`	Force re-registration even if already registered

Examples:

# Register (if not already registered)
wp nanopost register

# Force re-registration
wp nanopost register --force

`wp nanopost test`

Send a test email via nanoPost.

wp nanopost test <email>

Options:

Option	Description
`--subject=<subject>`	Email subject (default: "nanoPost Test Email")
`--message=<message>`	Email body (default: "This is a test email sent via nanoPost.")

Examples:

# Send test email with defaults
wp nanopost test user@example.com

# Send with custom subject and message
wp nanopost test user@example.com --subject="Hello" --message="Test message"

`wp nanopost debug`

Enable or disable debug mode.

wp nanopost debug <on|off>

Examples:

# Enable debug logging
wp nanopost debug on

# Disable debug logging
wp nanopost debug off

When enabled, logs are written to wp-content/debug.log.

FAQ

Do I need to create an account?

No. Your site is automatically registered when you activate the plugin.

I'm developing locally - will this work?

Your WordPress installation must be publicly accessible for nanoPost to work. We verify your site ownership via callback, which requires the API to reach your site.

For local development, use a tunneling service like ngrok, Cloudflare Tunnel, or Expose to make your local site accessible. Once you deploy to production, the plugin will automatically detect the domain change and prompt you to update.

Does this work with multisite?

Per-site activation is supported. Network-wide activation is not currently supported - please activate the plugin on each subsite individually.

How do I verify my domain?

Visit Settings > nanoPost and click "Verify Domain" to add a DNS TXT record for improved deliverability.

Is there a free tier?

Yes! The free tier includes generous email limits suitable for most small sites.

Changelog

0.8.0

Added support for multisite subdirectory installs
Added FAQ about local development requirements

For older versions, see changelog.txt.

License

This plugin is licensed under the GPL v2 or later.

Links

Read the full README on GitHub →