The Email Flows Your Store Needs Before Black Friday and Cyber Monday

Which automated emails do you actually need live for Black Friday and Cyber Monday, and which should you switch off? It's easy to get the mix wrong. Old flows keep running on autopilot, a stray discount code undercuts the sale, and the one flow that should never stop, the thank-you email after someone buys, gets paused by mistake.

This guide goes flow by flow, then walks through the campaign timeline that sits on top of them, then covers the checks that decide whether any of it lands in an inbox.

Welcome series: the flow most stores leave alone

Your welcome series fires the moment someone joins your list. Most stores run two to four emails over the first week: an introduction, some brand story, maybe a product guide, usually a discount code for the first order.

That discount code is the problem during BFCM week. If a new subscriber gets 15% off from your welcome email and then sees 30% off on your sale page, you've just taught them your marketing emails aren't worth reading closely.

My rule: swap the welcome series discount for the Black Friday or Cyber Monday offer for the length of the sale, then swap it back once the sale ends. Don't run two competing discounts side by side. Leave the rest of the sequence alone. The brand story still matters, even during a sale.

Browse abandonment: the flow people forget exists

• Trigger: someone looks at a product page, or a few, without adding anything to a cart.
• Usually one or two emails. The first goes out within a few hours, a second the next day if there's no response.
• Each email shows the exact product they looked at, sometimes with similar items underneath.
• For BFCM, send the first email within the hour instead of a few hours. Browsing moves faster during sale week and the product they looked at might sell out before a slower email arrives.
• Pause this flow for anyone who's already bought in the last 24 hours, so they don't get a reminder about something they already own.

Cart and checkout abandonment: timing matters more than usual

This flow triggers when someone adds something to their cart, or gets partway through checkout, and leaves without buying. Most stores run two to four emails over one to three days: a reminder a few hours in, a second nudge the next day, sometimes a final email with some urgency.

During BFCM week, cut the gap between emails. A cart reminder that lands two days later is useless if the product's gone or the sale's ended. Send the first reminder within an hour, a second one later that same day, and stop there.

Exclude anyone who's already completed a purchase. Exclude anyone inside your VIP early-access window too, if their cart is from before the sale opened.

Post-purchase: the flow you keep running no matter what

This is the one flow I'd never switch off during BFCM. It starts the moment someone completes an order: a thank-you email straight away, a shipping update a few days later, a cross-sell once the order's likely arrived, and a review request a week or two after.

Almost everything else in this guide gets paused or changed for the week. This one keeps going, because it's talking to the people who just bought from you.

Keep any discount out of the cross-sell email that week too. They've just bought at your sale price, and a fresh discount a few days later tells them they should have waited.

VIP early access: reward the people already paying attention

VIP early access works differently from the other flows here. You build it as a short campaign for your most engaged segment, people who've opened or clicked in the last 60 to 90 days, or past buyers.

Usually it's two emails: one a few days before launch telling them access is coming, and one on the morning it opens giving them the sale 12 to 24 hours before everyone else.

Keep it simple. Don't build a separate automated flow underneath it. This is a manual send tied to your segment, timed to the campaign sequence below.

Win-back and sunset: turn these off for the week

Win-back flows target people who haven't bought in a while, usually with a nudge or a bigger incentive to come back. Sunset flows go further. They're the last attempt before you stop emailing someone who's gone cold.

Both assume the subscriber is disengaged, and BFCM week is the wrong moment to tell someone you miss them while your biggest offer of the year is live everywhere else.

Pause both flows the week before the sale starts. Bring them back the week after, once the sale is over and the offers have come down, rather than the moment Cyber Monday ends.

The BFCM campaign sequence, day by day

1. 10 to 14 days before Black Friday: send the first sale-specific email. Some stores start warming their list up weeks earlier, before anyone mentions a sale. Pick what fits your list size.
2. 3 to 5 days before: a teaser email, plus early-access sign-up if you're running one. Tell people what's coming without giving away the full offer.
3. Early access morning: send to your VIP segment only, 12 to 24 hours before the public launch.
4. Black Friday morning: the main launch email to your full list.
5. Saturday and Sunday: one reminder with some urgency, stock levels or time left, rather than a repeat of the same message.
6. Cyber Monday morning: send something new. Don't just repeat Friday's email. In Omnisend's 2025 data from 5,000 US small ecommerce brands, most did better on Black Friday, but 42% did better on Cyber Monday, with 33% more orders on average that day. For a lot of stores, Monday is an event in its own right.
7. Monday evening or Tuesday morning: last-chance email with a firm deadline.
8. The following week: retention follow-up begins. Win-back and sunset flows switch back on. Sale messaging drops out of every flow for good.

Stopping your flows and campaigns from tripping over each other

Your flows and your campaign emails will collide if you don't plan for it. The clearest example: someone adds something to their cart, gets your cart abandonment email, then buys from your Black Friday launch campaign an hour later. If your cart flow isn't checking for recent purchases, they'll get a second reminder about something they already own.

Build a purchase check into every active flow. No cart or browse abandonment email should go out to someone who bought in the last 24 hours.

The second collision is the discount problem already mentioned above: a flow offering 10% while your campaign offers 30% makes your campaign look less generous than it is. Audit every live flow the week before the sale and strip out any discount that doesn't match the campaign offer.

The plumbing that makes flows fire

• Real-time store events. Store events need to flow into your email platform in real time. A purchase event delayed by twenty minutes means your post-purchase flow fires late, and your cart abandonment flow might fire on someone who already checked out.
• Clean customer data. Customer data needs to be clean going in: correct order totals, correct product names, correct images. A flow pulling the wrong product into a browse abandonment email looks careless, not personal.
• Stock and offers that match the site. Stock levels and offers inside your flows need to match what's actually on the site. Nothing damages trust faster than an email showing a discount that's expired or a product that's sold out.
• End-to-end testing. Test every flow end to end before the week starts. Place a real test order, abandon a real cart, sign up with a test email. Don't just check that the email renders. Check that the trigger actually fires and the timing is right.

Reaching the right people

None of this matters if your emails land in spam, or if you're sending to people who never agreed to hear from you. A few basics before BFCM.

Clean your list first: remove hard bounces, and suppress contacts who haven't opened anything in six months or more. Build an engagement segment for people who've opened or clicked recently, and send your biggest campaigns to them first.

Check that SPF, DKIM and DMARC are set up correctly. If you're not sure what those are, ask whoever manages your email platform. Warm your sending volume up gradually in the weeks before BFCM rather than tripling it on Black Friday morning.

Keep your frequency sensible. Most people don't want five emails in two days, even during a sale. And design mobile first. Most of your list will open on a phone.

Consent and unsubscribes

Check you have permission to email everyone on this list. Consent rules, unsubscribe periods and what counts as a marketing message differ by market, so confirm yours with your own adviser rather than guessing during your biggest sales week. Don't assume an email address you collected for an order confirmation can go on your newsletter list.

If you sell into Singapore, start with PDPC's advisory guidelines on key concepts in the PDPA. We've also written a plain-English guide to the PDPA, aimed at clinics, if you want the basics without the legal language.

Selling into Australia or the US? Check those markets' rules before the sale starts too. And if you text customers as well as email them, check the rules for SMS. For Singapore, our guide to the Do Not Call registry covers it.

During BFCM, a good flow stays out of your campaign's way and keeps talking to the person who just paid you.

A short checklist before the sale starts

• Welcome series discount swapped for the BFCM offer
• Discounts removed from cart and checkout abandonment flows
• Browse and cart abandonment timing tightened for sale week
• Post-purchase flow confirmed live and running
• Win-back and sunset flows paused until the sale is over
• VIP early access segment built and scheduled
• Campaign sequence mapped day by day, including a fresh Cyber Monday send
• Purchase checks built into every active flow
• Store events, stock levels and offers tested end to end
• Hard bounces removed, long-unengaged contacts suppressed and authentication records checked
• Consent and unsubscribe rules confirmed for every market you sell into

Want a second set of eyes on your flows before the sale goes live? Talk to us about your email flows.

Frequently asked questions

Which email flow should never pause during Black Friday and Cyber Monday?

Post-purchase. The thank-you, shipping update, cross-sell and review-request sequence should keep running right through the sale. It's the one flow built for people who just bought from you, and that's exactly who you don't want to go quiet on during your busiest week.

Should I turn off abandoned cart emails during BFCM?

No, keep them running. Just tighten the timing and remove any discount code that's lower than your sale price. The flow still recovers sales. It just shouldn't compete with your own offer.

How early should I start my BFCM email campaign?

There's no single right answer. Some stores start warming their list up weeks ahead, others send their first sale-specific email 10 to 14 days before Black Friday. Pick a timeline that fits your list size and how long your sale runs.

Is Cyber Monday worth treating as a separate event from Black Friday?

For a lot of stores, yes. Omnisend's 2025 data from 5,000 US small ecommerce brands found 58% did better on Black Friday, but 42% did better on Cyber Monday, with 33% more orders on average that day. Send Cyber Monday its own fresh email rather than repeating Friday's message.

Do I need separate consent to email customers for marketing after they place an order?

It depends on your market, so check rather than assume. Don't take it for granted that an email address collected for an order can go on your marketing list. Confirm the rules for each market your customers are in with your own adviser. If you sell into Singapore, PDPC's advisory guidelines on the PDPA are a good place to start.

What's one deliverability check worth doing before BFCM volume ramps up?

Confirm SPF, DKIM and DMARC are set up correctly, and warm your sending volume up gradually in the weeks before, rather than suddenly tripling it on Black Friday morning.

References

• Omnisend. (2025, December 3). 58% of SMB ecommerce brands saw Black Friday outperform Cyber Monday. omnisend.com

• Personal Data Protection Commission Singapore. (2022, May 17). Advisory guidelines on key concepts in the Personal Data Protection Act. pdpc.gov.sg