Hi, Thank you for your detailed response and for the troubleshooting suggestions.
I have already been in contact with my hosting provider regarding the mail issue. I have also spent quite a few hours investigating this from my side. The PHP mail issue has now been addressed by configuring SMTP, and emails sent through my contact form are working correctly.
However, the problem specifically with WooCommerce order emails is still something I am trying to resolve. I have also removed the Meta for WooCommerce plugin, as I discovered that it was consuming a significant amount of CPU/RAM resources on the server.
Regarding the other issues, I will clear the cache and troubleshoot the Jetpack connection as suggested.
I can also perform a conflict test, preferably on a staging environment, to avoid affecting the live webshop.
Before I do that, could you please confirm whether there are any known WooCommerce issues that could cause order notification emails to fail while other WordPress emails sent via SMTP are working correctly?
I am particularly concerned because this affects both automatic order emails and manually resending order notifications from within WooCommerce.
If there are any specific WooCommerce logs, Scheduled Actions, or System Status information you would like me to provide, please let me know exactly what you need and I will send it over.
