Design Cart SMTP
Most SMTP plugins confirm that a test message left the server. Shop owners still do not know why an order email failed.
Design Cart SMTP is a diagnostic SMTP layer for WordPress and WooCommerce. It sends mail through an authenticated mailbox, then shows what the mail server actually answered.
Author: Paweł Nosko / Design Cart
Documentation: How to configure SMTP in WordPress
What makes it different
- Mapped SMTP errors (authentication, TLS, connection, certificate, sender/relay, recipient, rate limit) instead of a generic failure
- Full SMTP transcript (password redacted) plus the raw PHPMailer message
- WooCommerce-style test using the store email wrapper — no fake orders
- Send log of the last 100 messages with source (WordPress / WooCommerce / test) and error text
- Presets for Gmail, Outlook, and Polish hosts (home.pl, nazwa.pl, OVH, cyber_Folks)
- Force From so the WooCommerce envelope matches the SMTP mailbox
- WooCommerce HPOS compatible; templates stay in WooCommerce Settings Emails
This plugin only changes transport. It does not replace WooCommerce email templates or marketing mail tools.
Details
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