DeliveryKit SMTP

1.2.0

• Clarified connection handling so Default (PHP Mail) can be used alongside one configured SMTP/API connection in the free plugin.
• Refined the Email Delivery Test message template for a cleaner delivery confirmation email.
• Improved admin-page interface details and Pro upgrade prompts for a more consistent settings experience.

1.0.0

• Initial free release with SMTP/API delivery, multiple saved connections, email testing, email logs, settings import/export, retention cleanup, and summary email reports.