The Block Emails for WooCommerce plugin allows you to block specific email addresses during the WooCommerce checkout process. It’s simple and easy to use. Just enter the email addresses you want to block and the plugin will prevent those emails from being used during checkout. You can also customize the error message that is displayed when a blocked email is used.

Block Emails for WooCommerce Checkout

A WooCommerce plugin to block specific email addresses during checkout.

MCI Desarrollo

Sends an automatic order email to the supplier to send the corresponding products to the customer. 
The mail is sent when the order goes to the “Processing” status in Woocommerce. 
Creates a new taxonomy (Suppliers) and a new selection box for each product. 
Subject and introductory text can be customized for automated emails. 
Option to also send an email to the admin when sending an email to suppliers.
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<a href="https://youtu.be/Vp2zs_aBgjs" rel="nofollow ugc">Open the mini-tutorial video of the plugin</a>

Supplier Order Email

Sends an automatic order emails to the suppliers to send the corresponding products to the customer.

Block Emails for WooCommerce Checkout vs Supplier Order Email