Subject: Solve [[problem]]

Dear {{first_name}},
Do you struggle with [[problem]]? [[describe problem in greater detail]]
Here at [[your company]], we’ve helped many other businesses deal with this problem by [[short explanation of your product]]. Businesses we’ve worked with have seen [[evidence of tangible improvement]] as the result of [[product]].
Would you like to speak to me and learn more about how we can help? Let’s set up a phone call soon.
Warm regards,
[[your name]]