The marketing team at Ursa Major Solar wants to send a personalized email whenever a lead fills out the web-to-lead form on their website. They want to send different messages based on the Lead…

Validation rules prevent records from being saved, and Workflow Rules, while capable of sending emails, are being deprecated and are not the most direct or efficient solution for conditional auto-responses from web-to-lead forms.

Assignment rules automatically assign new leads or cases to users or queues based on criteria, but they do not send personalized email acknowledgements to the lead creator.

Auto-response rules are specifically designed to automatically send different personalized email templates to leads or cases based on specific criteria (like the Lead Industry field) immediately after they are created from a web form.

While Process Builder (or Flow) could send emails, auto-response rules are the declarative feature specifically built for immediate, conditional email acknowledgements from web-to-lead forms, offering a more streamlined configuration.