✉️ Email Delivery
Documentation, reference material and tutorials for CRM-NG SMTP Email: setup guides for every mail service, troubleshooting, and one article per error message.
Troubleshooting
9 articlesWhat to check when email does not arrive, and how to read the plugin's own diagnostics.
- Action Scheduler issuesFix past-due background tasks, disabled WP-Cron and large task queues that delay queued emails, summaries and clean-ups in CRM-NG SMTP.
- Debugging sending issuesUse debug events, the email log and full debug logging to find out why an email failed, and what to collect before asking for help.
- Emails landing in spamWhy your site's emails go to spam even though they send, and the checks that move them back to the inbox.
- Sharing credentials with support safelyHow to give support access to your site without exposing passwords or API keys, and how to remove that access afterwards.
- Site Health checksThe three checks CRM-NG SMTP adds to WordPress Site Health, what each result means, and how to fix a warning.
- Supported PHP and WordPress versionsCRM-NG SMTP needs PHP 7.4 or newer and WordPress 5.5 or newer. What happens on older versions and how to upgrade safely.
- Testing for plugin and theme conflictsWhat the conflict notice means, which kinds of plugins clash with CRM-NG SMTP, and how to find a conflict without breaking your live site.
- Troubleshooting email deliveryA step-by-step checklist for any email problem in CRM-NG SMTP, from a failed test to messages that never arrive. Start here when unsure.
- Updates and the changelogWhy to keep CRM-NG SMTP up to date, where to read what changed, how to update safely, and what an update never touches.