A Louisville-based startup has been acquired by a fast-growing tech company in California. MailHaven Inc., a smart mailbox company, was purchased by Luxer One, a Sacramento-based smart locker company, for an undisclosed amount last week. "We've been admirers of MailHaven's technology since they first announced their unique mailbox solution in 2016," says Arik Levy, CEO and founder of Luxer One, in a news release. "This acquisition allows us to expand the Luxer One solutions line-up even further." MailHaven,...