Ahmed Saeed

Stop worrying about lost eCommerce emails! This free, simple plugin helps you diagnose your store’s email delivery health in minutes. It runs a series of checks to identify common issues that cause emails to end up in spam or fail to send altogether.
Key Features:
<ul>
<li>Email Sending Test: A one-click test to confirm if your site can send emails.</li>
<li>Sender Address Check: Verifies that your “From” address is configured correctly to avoid being flagged as spam.</li>
<li>SPF Record Validation: Checks if your domain has a crucial SPF record to authenticate your emails.</li>
<li>Easy-to-Read Health Report: Get a clear, actionable report with a summary of your email delivery status.</li>
</ul>

eCommerce Email Health Check

A free, simple tool to diagnose and test your eCommerce email delivery, ensuring orders and notifications reach customers.

bytecorestack

SMTP Manager by ByteCore Stack replaces the default WordPress mail function with a fully configurable SMTP connection. Every outgoing email is logged with its delivery status, and an optional health-check cron job monitors your SMTP server and alerts your team on Slack or Microsoft Teams the moment delivery starts failing.
Features
<ul>
<li>Custom SMTP host, port, and encryption (SSL / TLS / none)</li>
<li>Compatible with Gmail App Passwords, Outlook / Office 365, and any standard SMTP provider</li>
<li>Custom From name and From email address</li>
<li>Full email log — date, subject, sender, recipient, status, and error message</li>
<li>Searchable and filterable log with date-range presets (today through all time)</li>
<li>CSV export of the email log</li>
<li>Automated SMTP health monitoring via WordPress Cron (TCP-only, no email sent)</li>
<li>Slack and Microsoft Teams webhook alerts on consecutive SMTP failures</li>
<li>Configurable failure threshold and maximum notification count</li>
<li>One-click “Send Test Email” to verify your SMTP configuration instantly</li>
<li>Scheduled HTML email delivery reports (daily / weekly / monthly)</li>
<li>Automatic log pruning — keep the last 30 days or the last 1,000 records</li>
<li>Dark-mode admin UI</li>
</ul>
<h3>External Services</h3>
This plugin may contact the following external services. All connections are either user-initiated or require explicit configuration by the site administrator.
1. Your SMTP server (user-configured) 
The plugin routes all WordPress emails through the SMTP server credentials you enter in Settings → SMTP Manager. The hostname, port, username, and password are provided entirely by you. No data is sent to any ByteCore Stack server.
2. Slack Incoming Webhooks (optional) 
If you enable Slack alerts, the plugin will POST a JSON failure notification to the Slack Incoming Webhook URL you provide when consecutive SMTP failures are detected. This URL is specific to your Slack workspace and is created by you. 
* Service: Slack Technologies, LLC 
* Privacy policy: https://slack.com/privacy-policy 
* Terms of service: https://slack.com/terms-of-service
3. Microsoft Teams Incoming Webhooks (optional) 
If you enable Teams alerts, the plugin will POST a JSON failure notification to the Teams Incoming Webhook URL you provide when consecutive SMTP failures are detected. This URL is specific to your Teams channel and is created by you. 
* Service: Microsoft Corporation 
* Privacy policy: https://privacy.microsoft.com/en-us/privacystatement 
* Terms of service: https://www.microsoft.com/en-us/servicesagreement
4. Google Fonts API 
The admin settings page loads two typefaces (DM Sans and DM Mono) from the Google Fonts API to render the admin UI. This request is made only by the administrator’s browser when visiting the plugin settings page. No personal data from site visitors is ever transmitted. 
* Service: Google LLC 
* Privacy policy: https://policies.google.com/privacy 
* Terms of service: https://policies.google.com/terms 
* Font API endpoint: https://fonts.googleapis.com/
No data is collected, transmitted to, or processed by ByteCore Stack servers.

SMTP Manager by ByteCore Stack

Send WordPress emails via SMTP. Logs deliveries, monitors SMTP health via WP-Cron, and alerts on Slack or Microsoft Teams when sending fails.

eCommerce Email Health Check vs SMTP Manager by ByteCore Stack