croms

Croms MailPress is a comprehensive email delivery solution designed to provide flexible, reliable, and high-performance mailing capabilities directly from your WordPress dashboard. Whether you need to send personalized newsletters, transactional emails, or bulk announcements, this plugin ensures your emails reach their destination securely and efficiently.
<h3>Key Features</h3>
<ul>
<li>Scheduled Sending: Easily schedule your emails to be sent at a specific date and time, perfect for newsletters and timed announcements.</li>
<li>Recipient Management & CSV Import: Send emails to manually entered addresses or upload a CSV file with up to 100,000 recipients.</li>
<li>Detailed History & Resending: Track the status of every email sent. View success/error logs and easily retry failed deliveries with a single click.</li>
<li>Flexible “FROM” Profiles: Register and manage multiple sender addresses and their corresponding SMTP server settings. Switch between them seamlessly when composing emails.</li>
<li>Opt-out & Bounce Handling: Manage user subscriptions with a dedicated opt-out list. Manually or automatically classify emails as allowed, paused, hard bounce, soft bounce, or blacklisted.</li>
<li>Safe Opt-out Page Customization: The <code>[croms_mailpress_optout]</code> shortcode uses a fixed plugin-controlled template. Administrators can change labels, messages, layout preset, color preset, width, and email visibility without saving arbitrary HTML, CSS, JavaScript, or PHP.</li>
<li>Multiple Sending Methods: Choose between individual SMTP profiles (Account-based), external SMTP Relays, or high-speed API Integrations for massive scale delivery.</li>
<li>Bulk Delivery via Cron: Easily schedule and dispatch large volumes of emails using external Cron jobs. The built-in setup guide helps you configure Cron for both rental servers (e.g., cPanel, XServer) and VPS/Cloud environments.</li>
</ul>
<h3>Opt-out Page Design Customization</h3>
The public opt-out form generated by <code>[croms_mailpress_optout]</code> does not provide custom code textareas. This is intentional for WordPress.org review compatibility and user safety. Use the structured settings in Mail Manager > General Settings to adjust the heading, explanatory text, button labels, success messages, design preset, color preset, width, and whether the recipient email address is displayed.
For advanced visual customization, add CSS through WordPress core features such as Appearance > Customize > Additional CSS or the Site Editor’s CSS tools. The fixed template exposes stable classes such as <code>.croms-mailpress-optout</code>, <code>.croms-mailpress-optout__card</code>, <code>.croms-mailpress-optout__title</code>, <code>.croms-mailpress-optout__notice</code>, and <code>.croms-mailpress-optout__button</code>.
<h3>External Services / Third-Party APIs</h3>
This plugin supports optional delivery through the third-party service <code>smtp-relay.jp</code> (Croms SMTP Relay Service).
<ul>
<li>What the service is used for: The service is used only when the site administrator selects either the SMTP Relay delivery method or the API Integration delivery method in this plugin. It is also used when the administrator runs the relay/API connection test from the plugin settings screen.</li>
<li>What data is sent and when:
<ul>
<li>SMTP Relay: When the SMTP Relay delivery method is selected and an email is sent, the plugin connects to the configured <code>*.smtp-relay.jp</code> SMTP server and sends the email for relay delivery. This includes the sender address, recipient address, subject, message body, and any attachments included in the email. When the administrator runs the SMTP relay connection test, the plugin connects to the configured <code>*.smtp-relay.jp</code> server to verify connectivity.</li>
<li>API Integration: When the API delivery method is selected and an email is sent, the plugin sends a JSON request to the configured <code>https://*.smtp-relay.jp/receive.php</code> endpoint. This request includes the API key in the request header, the sender name and address, recipient address, subject, HTML message body, and any attachments included in the email. When the administrator runs the API connection test, the plugin sends a test request to the configured API endpoint that includes the API key and uses the site’s administrator email address as the sender and recipient for the test payload.</li>
</ul>
</li>
<li>Service provider links: Please review the service terms and privacy policy before using the external delivery methods:
<ul>
<li>Terms of Service: https://wp.croms.jp/smtp-relay-terms/</li>
<li>Privacy Policy: https://wp.croms.jp/smtp-relay-privacypolicy/</li>
</ul>
</li>
</ul>

Croms MailPress

A powerful and flexible email delivery manager for WordPress. Supports multiple SMTP profiles, external SMTP relays, and high-speed API integrations.

Mass Email To Users lets you send HTML emails to your registered WordPress users straight from the WordPress admin. No Mailchimp account. No monthly fee. No external service required.
Send to everyone with one click using Send Email To All Users, filter recipients by role, search and select individual users, and personalise every email with placeholders like <code>[first_name]</code> and <code>[user_email]</code>.
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<h4>Free Version Features</h4>
<ul>
<li>Send Email To All Users — one click reaches every registered user, no manual selection needed</li>
<li>Filter by user role — Administrators, Editors, Subscribers, Customers, etc.</li>
<li>Personalisation placeholders — <code>[first_name]</code>, <code>[last_name]</code>, <code>[user_email]</code>, <code>[display_name]</code>, <code>[username]</code></li>
<li>Working unsubscribe links — <code>[unsubscribe_link_html]</code> / <code>[unsubscribe_link_plain]</code> placeholders generate one-click unsubscribe links with a branded confirmation page</li>
<li>Unsubscribers List — view everyone who unsubscribed and re-subscribe them with one click</li>
<li>Select individual users, search by email/username/name, with pagination for large user lists</li>
<li>HTML email support — write rich formatted emails using the WordPress editor</li>
<li>Add users to an email queue across multiple pages</li>
<li>WordPress capabilities / roles support — control exactly who can send mass emails</li>
<li>No advertising, no branding added to your emails</li>
<li>WordPress multisite compatible</li>
</ul>
<h4>🚀 Pro Version — Everything in Free, Plus:</h4>
Tracking & Analytics 
* Open tracking — see who opened your email and when 
* Click tracking — see which links were clicked 
* Campaign Stats dashboard — open rates and click rates per campaign, visualised
Audience Segmentation 
* WooCommerce segmentation — filter by purchase history, product bought, total spent, order status (supports WooCommerce HPOS) 
* Simple Membership levels & BuddyPress profile fields 
* CSV Import — upload external email lists and send to them alongside WordPress users
Sending & Automation 
* Newsletter queue with cronjob — set your send rate and walk away 
* Scheduled sending — pick a future date and time 
* Email attachments — attach PDFs, images, documents 
* Reply-To email field 
* Full TinyMCE WYSIWYG email editor + saved email templates 
* Welcome Email Automation — auto-send when new users register, with optional delay 
* Bounce management — auto-unsubscribe after X failed sends
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<h4>Who Is This For?</h4>
<ul>
<li>WordPress site owners who need to message their users without a monthly Mailchimp bill</li>
<li>WooCommerce stores reaching customers (upgrade to Pro for purchase-based segmentation)</li>
<li>Membership sites communicating with members by role or level</li>
<li>Small businesses wanting a simple, self-hosted email tool they fully own</li>
</ul>
<h4>Quick Start</h4>
<ol>
<li>Install and activate the plugin</li>
<li>Go to Mass Email in the WordPress admin sidebar (look for the envelope icon)</li>
<li>Fill in Subject, From Name, From Email, and your message</li>
<li>Click Send Email To All Users — or filter by role / search and select specific users, then click Send Email To Selected Users</li>
</ol>
<h4>Personalisation Placeholders</h4>
Add these anywhere in your subject line or email body — they’re replaced automatically per recipient:
<pre><code>[first_name] `[last_name]` `[username]` `[user_email]` `[display_name]` `[nickname]` `[user_nicename]`
</code></pre>
For unsubscribe links: <code>[unsubscribe_link_html]</code> (clickable link) or <code>[unsubscribe_link_plain]</code> (plain URL)
<h3>License</h3>
This plugin is free for everyone. Released under the GPL, you can use it free of charge on your personal or commercial site.

Mass Email To Users

Send bulk emails to your WordPress users directly from your dashboard — send to all, filter by role, personalise with placeholders.

Croms MailPress vs Mass Email To Users