To edit your existing links, go to the WordPress admin panel > Links > Edit.

From there you can delete the links or modify them. To edit a link, click Edit which appears when you hover over it.

By default, WordPress uses the PHP mail() function to send emails when necessary. These can be emails from contact forms, notifications, order confirmations, etc. Many email providers will mark messages sent this way as spam, so these messages may never reach their recipients.

To resolve the issue, you need to configure your WordPress to use SMTP instead of the PHP mail() function. SMTP uses proper authentication which leads to high deliverability of these emails