The HEAT blog
Notes on cold outreach
What we have learned building a product that writes to strangers for a living. No listicles, no gated PDFs.
How inbox filters actually sort cold email
The Promotions tab is the wrong diagnosis for most B2B senders. The real filter is whether recipients want your message, and the infrastructure is built to detect that.
deliverabilitycold emailgmailfiltering
Why we write your pitch as a public thread instead of an email
Cold emails fail because they ask for time before proving any value. We put the research where you can read it on your own terms, so you can see the work before you decide to reply.
cold outreachsales researchthreads