Bulk Mailing Lists

A WordPress plugin that lets administrators assemble mailing lists from WPForms entries or WooCommerce data and send bulk emails to them. Delivery goes through wp_mail(), so it uses whatever mailer the site is configured with (e.g. WP Mail SMTP).

Email types

Every list is one of two types, which decides where its addresses come from and whether recipients can unsubscribe.

Sources

WPForms

• Pick a form, and optionally which field holds the email address and the name
• Every entry's address goes on the list; spam and trashed entries are skipped
• Requires WPForms Pro, because the free version does not store entries in the site's database

WooCommerce

Choose applicable customers based on:

• All customers, optionally including registered customer accounts with no orders
• All customers who have purchased a product: pick a normal product, parent product, or a single variation
• All subscribers to a subscription product or subscription variation (requires WooCommerce Subscriptions); can be left empty for any/all subscription customers

Which order and subscription statuses are applicable can be set per list.

Refreshing

Lists are rebuilt from their source:

• Once a day (WP-Cron event mlp_daily_refresh)
• When a list is saved
• On demand, with Refresh now
• Immediately before an email is sent

Sending

• Compose in the visual (WYSIWYG) editor or as raw HTML code
• Preview, send yourself a test, and save drafts
• Emails are sent in the background in batches using Action Scheduler when available, otherwise WP-Cron. Batch size and interval are under Mailing Lists -> Settings
• Failed recipients are listed with the mailer's error and can be retried

Merge tags: {name} {email} {site_name} {site_url} {unsubscribe_link} {unsubscribe_url}

Unsubscribing

Marketing Emails always carry a signed unsubscribe link, plus one-click List-Unsubscribe headers. Unsubscribing deletes the associated entry from the WPForms form the list is sourcing from

Product Emails are designed strictly for legal / legitimate interest emails and thus get no unsubscribe link or header.

Requirements

• WordPress 5.8+, PHP 7.4+
• WPForms Pro, for Marketing Email lists
• WooCommerce, for Product Email lists (supports WooCommerce Subscriptions for building subscriber lists)
• WP Mail SMTP or any other wp_mail()-compatible mailer. An SMTP mailer is needed for the List-Unsubscribe header to be usable by mail clients
• A working WP-Cron. On low-traffic sites, trigger wp-cron.php from a real cron job so the daily refresh and send batches run on time

Installation

1. Download this repository as a zip, or clone it into wp-content/plugins/.
2. In WordPress admin, go to Plugins -> Add New Plugin -> Upload Plugin, choose the zip and click Install Now.
3. Activate Bulk Mailing Lists. A Mailing Lists item appears in the admin menu.

Developer hooks

License

MIT