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Follow-up email

A follow-up email is a later message to someone who has not answered your first one. It goes in the same thread, adds one new reason to reply, and the sequence stops as soon as the person answers or opts out.

Updated November 2026 · 3 min read · GetSales team

Why follow-ups matter

A first email can go unanswered for a dull reason: it arrived on a full day and the person never got back to it. A follow-up brings the thread back to the top of their inbox with one more reason to answer. It is how a single cold email becomes a short sequence.

A good follow-up reads as part of one conversation. It is short and does not repeat the first email. It never acts as if the person owes you an answer.

How a follow-up works

  • In the same thread. The follow-up is sent as a reply to your first email. Its In-Reply-To and References fields carry the first email's Message-ID, which mail programs that group threads read to show both messages together.1
  • After a wait. A few working days between messages give the first one time to be read.
  • With something new. Each follow-up adds one thing: a short case, a sharper question, or the same ask in fewer words.
  • Until a stop. The sequence ends when the person replies, opts out or the steps run out. Under CAN-SPAM an opt-out must be honored within 10 business days.2

When to stop following up

Stop at the first reply a person writes, whatever it says. A "no" ends the sequence, and so does "remove me". A "not now" is an answer too: write again when they said, on their date and off the sequence's clock.

In GetSales a follow-up is a step after a wait in a workflow. By default a reply pauses that person in every live workflow, unless a workflow is set to Continue the sequence. With the AI SDR on, a "not now" gets one short nudge planned for when they said, sent on its own or held for your OK as its scenario sets.

Sources

  1. IETF, RFC 5322: Internet Message Format, section 3.6.4, October 2008. Read 28 October 2026.
  2. Federal Trade Commission, CAN-SPAM Act: A Compliance Guide for Business, August 2023, edited January 2024. Read 28 October 2026.

Last updated: November 2026

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