Why follow up at all
A busy person sees your first email between meetings, means to answer, and forgets. A follow-up a few days later reminds them without asking them to start again. Each follow-up should stand on its own: someone who reads only the third email should still understand who you are and why you wrote.
A cadence that works for most B2B outreach
We suggest three or four emails in total, spaced further apart each time:
| Send on | Purpose | |
|---|---|---|
| First email | Day 1 | The problem you solve for them, one reason you picked them, one question |
| Follow-up 1 | Day 3 or 4 | Short reply in the same thread: a single new detail or a simpler question |
| Follow-up 2 | Day 8 to 10 | A different angle: an example, a resource, or a cost of doing nothing |
| Follow-up 3 | Day 15 to 21 | A polite close: ask if the timing is wrong or if someone else owns this |
Send during the recipient's working hours in their timezone, on working days. If you only have time for one follow-up, send the day 3 or 4 reply; it is the cheapest to write and the most likely to be read in context.
Five follow-ups that add something new
"Just bumping this to the top of your inbox" gives the reader no new reason to reply. Each follow-up should carry one new thing.
1. The shorter question
Hi Anna, a simpler version of my question: is booking supplier deliveries still done by email at Example Logistics?
2. The specific example
One thing I left out: teams that switched from spreadsheets usually start with the delivery calendar only. It takes an afternoon to set up. Would a two-line summary of how that works be useful?
3. The resource
I wrote up the checklist we use for supplier onboarding. No sign-up needed: [link]. Happy to talk it through if any of it applies.
4. The right person
If supplier scheduling sits with someone else on your team, who should I speak to?
5. The close
I will stop here so I am not cluttering your inbox. If this becomes a priority later in the year, reply to this email and I will pick it up.
Keep follow-ups in the same thread (reply to your own email, with "Re:" in the subject) so the reader sees the history. Keep each one under 80 words.
Subject lines for follow-ups
Keep the original subject and send each follow-up as a reply, so the subject reads "Re: your original subject". A new subject line for every follow-up starts a new thread, hides the history and looks like a fresh campaign email.
If you start a new thread after a long gap (a month or more), write a new subject that stands on its own and mention the earlier email in the first line.
Mistakes that cost replies
- Guilt. "I haven't heard back" or "did you see my last email?" puts the reader on the defensive. Assume they were busy.
- Repeating the pitch. Pasting the first email again under a new greeting tells the reader nothing new.
- Fake familiarity. "As we discussed" or "following up on our call" when there was no call damages trust the moment the reader notices. A fake "Re:" on a first email is worse: in the US a misleading subject line breaks CAN-SPAM.
- Growing attachments. Keep follow-ups to plain text with at most one link. Attachments in cold email are more likely to be filtered.
- No end. A sequence that never stops trains the recipient to mark you as spam, which hurts delivery to everyone else.
- Ignoring time zones. A follow-up that arrives at 3 a.m. sits under a morning's worth of newer mail.
When to stop
Stop the sequence for a prospect as soon as any of these happens:
- They reply, in any way, including "not now". A person should answer, not the next automated step.
- The email bounces.
- They unsubscribe or ask not to be contacted. Add them to your suppression list so no other campaign emails them.
- An auto-reply says they have left the company. Find their replacement instead.
- You record a closed outcome (won, lost or not a fit).
An out-of-office reply is not a reply from the person. Pause and resume after their return date.
Stay lawful and polite
Every email in the sequence, not just the first, needs to meet the rules where your recipient is. In the US, CAN-SPAM requires a working opt-out in every message, honoured within 10 business days, plus your postal address. In the UK, PECR requires you to identify yourself and offer a simple way to opt out in each message. Our guide is cold email legal under GDPR? covers the EU and UK in more detail.
Polite also means volume. Four emails over three weeks is persistent; eight emails in ten days is spam in everything but name.
Doing this in Reach-book.com
Email sequences in Reach-book.com are built in a visual workflow with steps, delays and conditions. You set the timezone, sending days and hours, and follow-ups send as replies in the same thread from the mailbox that sent the first email. Replies, bounces, unsubscribes and closed outcomes stop further follow-ups automatically, the shared inbox separates human replies from auto-responses, and opt-outs are honoured across every campaign in the workspace.