Populate a field with product name

See Getting Default Values from the Context

Thanks for your quick response. will see the article.
We are using “WP Mail SMTP” plugin. Since then when we submit the contact form we are getting the error – “Failed to send your message. Please try later or contact the administrator by another method.”

Is the contact form 7 not compatible with this plugin?

Thanks

Yes, CF7 is compatible with WP Mail SMTP.

See https://contactform7.com/faq/after-submitting-the-form-i-get-an-error-message/