By Ori Ben Simhon · Founder, Link AILast updated

Cold Email

Also known as: outbound email, B2B cold outreach

Cold email is outbound email sent to a recipient who has no prior relationship with the sender — no opt-in, no past purchase, no previous engagement. In B2B, cold email is a primary acquisition channel for SaaS, agencies, and services. Effectiveness depends on three layers: targeting (who you email), copy (what you say), and infrastructure (whether the email actually reaches the inbox).

The single biggest predictor of cold-email reply rate is whether the email references something the recipient actually did or said — a project they shipped, a job posting they wrote, a podcast they were on. Per Link AI's analysis of 50,000+ Mailer campaigns, per-lead research lifts reply rates 3-5x over template-plus-merge-tag.

Cold email is regulated. In Israel, CAN-SPAM-equivalent rules require a working unsubscribe and accurate sender identification. In the EU, GDPR limits cold B2B email further. Cold email to consumers is generally not permitted; cold email to business addresses is permitted with restrictions. Compliance is not optional and is the responsibility of the sender, not the platform.

Related products and features

  • Used by B2B sales, agencies, recruiting, SDR teams
  • Distinct from email marketing (opt-in audience)
  • Distinct from spam (mass unsolicited consumer email)

Related reading

Cold Email — Definition | Link AI Glossary · Link AI