Summary: Sender adds transactional email support

Why It Matters: The product now offers a way to send order receipts and alerts. This makes it a more complete tool for businesses that need to send both marketing and automated system emails.

What Changed:

• Added "Transactional emails" to the main feature navigation and product lists.
• Highlighted reliable delivery for orders, alerts, and receipts.
• Added social media links for Facebook, YouTube, Twitter, and LinkedIn to the footer.
• Added "ISO Certified" and "Secure Data Practices" badges to the footer.