The basic reason for this, PHP mail function not working from your server. Please ask your hosting provider to check and enable the PHP mail function for your site. This error in the Houzez theme usually occurs because the server's default PHP mail() function is either disabled, improperly configured, or being blocked by modern email providers (like Gmail or Outlook) due to a lack of authentication.
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1. Install and configure an SMTP Plugin: The most effective fix. WordPress's default mailing method is easily flagged as spam or blocked. Install a plugin like WP Mail SMTP or Post SMTP. Configure it using a dedicated email service (SendGrid, Mailgun) or your professional email’s SMTP credentials. This adds the required authentication headers to every email sent.
To install the plugin navigate to Plugins > Add New > Search WP SMTP > Install > Active or download it from the website https://wordpress.org/plugins/wp-smtp/
2. Verify Houzez Lead Notifications: Theme-specific settings.
Go to Houzez > Theme Options > Email Management. Ensure the "Email Address" field contains a valid email from your own domain (e.g., info@yourdomain.com). Using a personal Gmail address as the "From" address often triggers server-level rejections.
If still not work or you do not understand then send your admin login to our agents support in and explain your issue https://favethemes.zendesk.com/hc/en-us/requests/new.
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