Black Friday and Cyber Monday (BFCM) account for a huge chunk of annual revenue for most online stores. Some stores do 20-30% of their yearly sales in this single weekend. Email is the #1 channel for driving that revenue, beating paid ads and social media consistently.

But here's the thing: every other store is also blasting emails during BFCM. Your customers' inboxes are flooded. If you want your campaigns to stand out, you need to plan ahead and be strategic about what you send.

This guide covers the full timeline, from planning months out to following up after the sale ends.

Why BFCM Email Strategy Matters More Than Ever

BFCM email volume has increased every year. In 2025, the average consumer received 120+ promotional emails during the BFCM weekend. That number will only go up.

This creates two challenges:

Standing out in a crowded inbox. Your email is competing with hundreds of others for attention. Subject lines, timing, and relevance matter more during BFCM than any other time of year.

Maintaining deliverability under high volume. Email providers get suspicious when brands that normally send 2 emails per week suddenly send 3 per day. Without proper warm-up, your emails can land in spam or promotions tabs right when you need them most.

The stores that win at BFCM aren't the ones with the biggest discounts. They're the ones that plan ahead, segment their audience, and execute with discipline.

The BFCM Email Timeline

2-3 Months Before: Foundation

Clean your email list. This is critical. Remove or suppress subscribers who haven't opened an email in 6+ months. Sending to a clean list during BFCM means better deliverability when it matters most. For detailed guidance on list hygiene and deliverability, read our email deliverability guide.

Warm up your sending volume. If you normally send 2 emails per week, don't suddenly send 5 per day during BFCM. Gradually increase your sending frequency over the weeks leading up to it. Email providers notice sudden spikes and may throttle or spam-filter your campaigns.

A warm-up schedule might look like:

8 weeks before: Add 1 extra email per week
6 weeks before: Send 3x per week consistently
4 weeks before: Increase to 4x per week
2 weeks before: 5x per week
BFCM week: Daily (or more) feels natural, not abrupt

Plan your offers. Decide what you're actually going to discount and by how much. Don't figure this out the week before. Consider:

Site-wide percentage off (simple, easy to communicate)
Category-specific deals
Bundle deals
Free shipping thresholds
Gift with purchase
Early access for VIPs
Tiered discounts (spend more, save more)
Mystery deals or limited drops

Build your segments. At minimum, you should have:

VIP customers (top 10-20% by spend)
Active customers (purchased in last 90 days)
Lapsed customers (haven't purchased in 90+ days)
Subscribers who've never purchased
Email-engaged vs. disengaged

For more on building effective segments, our ecommerce email segmentation guide covers the fundamentals.

Audit your automations. Make sure your existing automated email sequences are ready for BFCM volume:

Cart abandonment sequence should be active and optimized
Welcome series should account for BFCM-specific signups
Post-purchase flow should handle increased order volume
Consider pausing or adjusting win-back sequences during BFCM (a lapsed customer might not need a win-back email when they're about to get your BFCM campaign)

3-4 Weeks Before: Tease and Build Anticipation

Send a "BFCM is coming" email. Let people know you'll have deals. Don't reveal specifics yet. Create anticipation.

Collect preferences. Send a quick survey or preference center update. "What categories interest you most?" This helps you send more relevant offers during the actual sale.

VIP early access announcement. Tell your best customers they'll get first dibs. This makes them feel special and gives you a reason to email them before the main event.

Grow your list. Run a "sign up for early access to our Black Friday deals" campaign. People who specifically sign up for BFCM are highly motivated buyers. Create a dedicated landing page for this and promote it on social media and your website.

Set up BFCM-specific signup forms. Replace your regular popup with a BFCM-themed one: "Join our VIP list for early access to Black Friday deals." This typically converts better than your normal popup because the value proposition is immediate and specific.

Prepare your email templates. Don't wait until the week before to design your emails. Build and test your BFCM templates now. Make sure they render correctly on mobile, load quickly, and have clear CTAs.

1 Week Before: Build Urgency

Preview email. Give a sneak peek of what's coming. "Here's what you can expect this Black Friday." Include a few highlights without revealing everything.

Calendar reminder. "Save the date: our biggest sale starts [day] at [time]." Make it easy for people to plan.

VIP early access starts. If you're doing early access, launch it 24-48 hours before the main event. This also stress-tests your systems before peak traffic.

Test everything. Send test emails to yourself and your team. Click every link. Check every product image. Verify discount codes work. Test the mobile experience. The worst time to discover a broken link is when 50,000 people receive your email.

Brief your customer support team. BFCM drives more support tickets. Make sure your team is ready for higher volume and knows the details of your offers.

Black Friday Weekend: Execute

This is where most of the revenue happens. Here's a typical send schedule:

Thursday evening (Thanksgiving in the US):

Preview/teaser for midnight launch
Only send to your most engaged segment

Friday morning (Black Friday launch):

Main announcement to full list
Clear offer, clear deadline, clear CTA
Keep the email simple. People are scanning, not reading.
Subject line should include the specific offer (e.g., "40% off everything starts now")

Friday evening:

"In case you missed it" to non-openers
Highlight best-selling items or items selling fast
Create urgency with real data: "Our top 3 sellers are almost sold out"

Saturday:

Mid-sale content. Customer favorites, gift guides, or staff picks.
Social proof: "1,000 orders shipped today" or similar
This is a good day for a more editorial or curated email rather than pure promotion

Sunday:

"Last day before Cyber Monday" or transition messaging
Highlight different deals if you're changing offers
Good day for a gift guide email: "Still shopping? Here are our team's picks"

Monday (Cyber Monday):

Morning launch for Cyber Monday specific deals
Afternoon: urgency push. "Deals end at midnight."
Evening: final hours reminder to engaged segments only

Tuesday (Extended sale, if running one):

"We extended our sale for 24 more hours" (use this sparingly, not every year)
Only extend if you have a genuine reason. Crying wolf erodes trust.

After BFCM: Follow Up

This phase is where many stores drop the ball, and it's where long-term value is created. Handling post-BFCM well determines whether your new customers become repeat buyers or one-time bargain hunters.

Thank you email (within 24 hours of sale ending):

Genuine gratitude. "We just had our biggest sale ever. Thank you."
Don't sell anything in this email.
Share results: "You helped us [milestone]." People like being part of something.

Shipping update (as orders ship):

Keep customers informed, especially during high-volume periods when shipping may be slower
Set realistic expectations: "Due to record volume, orders may take 5-7 business days to ship"

Post-purchase sequence:

Your regular post-purchase flow should kick in for all BFCM orders
Adjust timing if shipping is delayed
The review request email is especially important for BFCM customers. A wave of reviews collected from BFCM buyers builds social proof for the rest of the year

Win-back the non-buyers (1 week after):

"Missed our Black Friday sale? Here's a small thank-you for being on our list."
A much smaller offer, or just great content
Don't make it bigger than the BFCM deal itself. That undermines urgency for future sales.

December holiday campaign:

BFCM isn't the end of the holiday season. Transition into holiday gift guides, last-minute shipping deadlines, and gift card promotions
Your BFCM customers are warm leads for December purchases

Subject Lines That Work During BFCM

During BFCM, your subject line is everything. Here's what works and what doesn't.

What works:

Specific numbers: "40% off everything. Today only."
Urgency with deadlines: "Ends at midnight: our biggest sale of the year"
Exclusivity: "VIP early access: your Black Friday deals are live"
Curiosity: "This only happens once a year"
Simplicity: "Black Friday. 30% off. Shop now."

What doesn't work:

Vague: "Our biggest sale EVER!" (everyone says this)
Clickbait: "You won't believe this deal" (you're not BuzzFeed)
ALL CAPS: "BLACK FRIDAY SALE 50% OFF BUY NOW" (screaming doesn't help)
Too long: Keep it under 50 characters so it doesn't get cut off on mobile

A/B test your most important subject lines. Send to 10-20% of your list with two variations, then send the winner to the rest. For the Black Friday morning email (your highest-impact send), this is worth the extra effort. For a detailed guide on running these tests, read our A/B testing guide.

Preview text matters too. The preview text (the snippet that appears after the subject line in the inbox) is your second chance to grab attention. Use it to complement the subject line, not repeat it.

Tips That Actually Make a Difference

Subject lines matter more during BFCM. Everyone is competing for attention. Test your subject lines ahead of time. Specificity beats generic: "40% off all jackets" beats "Our biggest sale ever!" Include the discount number or specific benefit.

Send time optimization helps. If your email platform supports it, let it pick the best time for each subscriber based on when they usually open emails. Sequenzy's send time optimization does this automatically.

Don't be afraid to send more emails. During BFCM specifically, people expect more emails. 2-3 per day is normal and acceptable for this weekend. But only if you've warmed up your sending volume in the weeks before.

Mobile first, always. Over 60% of BFCM emails are opened on mobile. Big buttons, clear CTAs, product images that look good on small screens. Test your emails on actual phones, not just the mobile preview in your email editor.

Resend to non-openers. Your Friday morning email will have non-openers. Resend it Friday evening with a different subject line. You'll pick up another 10-20% of opens.

Have a Plan B for your website. If your site crashes from traffic, have an email ready that offers an alternative (extend the sale, offer a rain check, direct to specific product pages instead of the homepage).

Create urgency with real scarcity. "Only 47 left in stock" is more compelling than "Limited time!" But only use real numbers. Fake scarcity destroys trust.

Design for scanning, not reading. During BFCM, people make split-second decisions about which emails to open and which offers to pursue. Your email should communicate the core offer within 3 seconds of opening. Big headline with the discount, hero product image, prominent CTA button.

Segmented BFCM Strategy

Don't send the same email to everyone. Here's how to differentiate:

VIPs: Early access + better offers. They've earned it. "As one of our top customers, you get first access and an extra 10% on top of our sale."

Active customers: Standard offers with personalized product recommendations based on past purchases. "Based on what you've bought before, here are deals we think you'll love."

Lapsed customers: Frame it as a reason to come back. "It's been a while. Our biggest sale of the year is the perfect time to check back in." For more on re-engaging inactive customers, see our win-back email sequence guide.

Never-purchased subscribers: Remove friction. Free shipping, easy returns, money-back guarantee. They need trust signals more than discounts. Include customer reviews and social proof prominently.

Engaged vs. disengaged: Send the full sequence to engaged subscribers. For disengaged ones, send just the main announcement. If they don't engage with BFCM emails, they probably won't engage with anything, and it might be time to suppress them.

Category-specific segments: If you know someone only buys from certain categories, lead with deals in those categories. A skincare customer doesn't need to see your clothing deals first.

Cart abandoners from the pre-BFCM period: People who abandoned carts in the weeks before BFCM were likely waiting for the sale. Send them a targeted email when their specific products go on sale.

BFCM Email Templates and Examples

The Teaser Email (2-3 Weeks Before)

Subject: Something big is coming November 29th

Hey [First Name],

Mark your calendar.

This Black Friday, we're doing something we've
never done before.

We can't share the details yet, but here's a hint:
[Brief teaser of the offer]

Want early access? Our VIP list gets first dibs.

[Join VIP List Button]

More details coming soon.
[Your name]

The Main Launch Email (Black Friday Morning)

Subject: 40% off everything. Today only.

[Hero image with sale messaging]

BLACK FRIDAY IS HERE

40% off everything in the store.
Code: BLACKFRIDAY

No exclusions. No minimum.
Ends Monday at midnight.

[Shop Now Button]

[3-4 bestseller product images with prices]

[Shop Now Button]

The Final Hours Email (Cyber Monday Evening)

Subject: 4 hours left. Don't miss this.

Hey [First Name],

Our Black Friday / Cyber Monday sale ends at midnight.

This is your last chance to save 40% on everything.

[Top selling items from the weekend]

After midnight, prices go back to normal.

[Shop Now Button]

BFCM Mistakes to Avoid

Starting too late. If you're planning your BFCM email strategy in November, you're already behind. Start in September or October at the latest.

Not warming up sending volume. Going from 2 emails/week to 3/day will trigger spam filters. Ramp up gradually.

Discounting everything. Not everything needs to be on sale. Strategic discounting on key products often works better than a blanket "everything is X% off." Consider which products are good entry points for new customers and which drive the most margin.

Ignoring post-BFCM. Many stores acquire a ton of new customers during BFCM who never come back. Your post-purchase sequence determines whether they become repeat buyers or one-time bargain hunters.

Sending to your entire list without segmenting. Your VIPs should get a different experience than someone who just signed up yesterday.

Forgetting about deliverability. Clean your list before BFCM. A dirty list during the highest-volume sending period of the year is a recipe for landing in spam.

Not testing discount codes. Test every discount code on your actual checkout before sending. A broken code in your biggest email of the year is a disaster.

Over-extending the sale. "Extended for 48 more hours! Extended again! One more day!" Each extension makes your deadlines less credible. If you extend, do it once and make it clearly the final extension.

Copying what big brands do. Enterprise brands have different economics than small-to-mid stores. Just because Amazon sends 10 emails a day during BFCM doesn't mean you should. Adapt the strategy to your size and audience.

Forgetting about customer support capacity. More sales means more questions, more shipping inquiries, and more returns. Make sure your support team is staffed and prepared.

Not having email authentication set up. BFCM is not the time to discover your emails are going to spam because you never configured SPF and DKIM. Get this sorted months ahead. Our email authentication guide walks through the setup.

Post-BFCM Analysis

After BFCM, take time to analyze what worked and what didn't. This becomes your playbook for next year.

Metrics to review:

Revenue by email (which sends drove the most sales?)
Open rates by segment (which audiences were most engaged?)
Conversion rates by email type (teaser vs. launch vs. urgency)
Cart abandonment rate during BFCM vs. normal (did the rush create more abandoned carts?)
New subscribers acquired during BFCM period
Unsubscribe rate (did you email too aggressively?)
Deliverability metrics (did emails land in spam or promotions tab?)

Questions to answer:

Which subject lines performed best?
Did VIP early access drive significant revenue?
How did lapsed customer re-engagement compare to normal periods?
What was the repeat purchase rate for BFCM-acquired customers over the following 90 days?
Did the post-BFCM follow-up sequence retain new customers?

Document everything. Next year's BFCM planning should start with reviewing this year's results.

Getting Started

If BFCM is still months away, here's what to do now:

Clean your email list
Start building your segments (VIP, active, lapsed, never-purchased)
Plan your offer structure
Create a rough email calendar for the BFCM week
Set up your post-purchase sequence if you don't have one
Begin warming up your sending volume 6-8 weeks before BFCM
Design and test your email templates
Set up A/B tests for your most important subject lines
Brief your customer support team

If BFCM is right around the corner and you're reading this in a panic, focus on three things: clean your list, plan your offer, and write your Friday morning email. Those three things will cover 80% of the impact.

Frequently Asked Questions

How many emails should I send during BFCM week? For the full BFCM period (Wednesday through Tuesday), 7-10 emails is common for engaged subscribers. This includes teasers, the main launch, reminders, Cyber Monday, and the final hours. For less engaged segments, send 3-4 of the most important ones only.

Should I offer my biggest discount of the year during BFCM? Probably yes. Customers expect it, and holding back while competitors go big means losing sales. But "biggest" doesn't have to mean "deepest percentage off." Bundle deals, gift with purchase, and free shipping can feel like great value without the margin hit of a 50% discount.

When should I start planning BFCM? September at the latest for strategy and offers. October for template design and copywriting. Early November for warm-up and final testing. If you're reading this in November, skip the planning and focus on execution with what you have.

Should I extend the sale beyond Cyber Monday? One extension of 24-48 hours is fine and often effective. More than that and you're training customers to ignore your deadlines. The extension should feel like a genuine decision, not a planned strategy.

How do I handle BFCM if I never discount? Some brands choose not to discount, and that's a valid strategy. Alternatives: free gift with purchase, exclusive limited-edition products, charity donations per purchase, free shipping, or enhanced loyalty points. Frame it as a special event rather than a discount event.

What if my BFCM emails land in spam? This is usually caused by insufficient warm-up or a dirty list. If it happens mid-BFCM, quickly send to your most engaged segment only (people who've opened in the last 30 days). Their engagement signals help recover your reputation. Long-term, prioritize list hygiene and gradual volume increases for next year.

Should I use a countdown timer in my BFCM emails? Countdown timers can increase urgency, but make sure they actually work in your recipients' email clients. Some email clients don't support animated GIFs or real-time countdown timers. Test before sending.

How do I handle inventory running out during the sale? Have a contingency plan. If a popular product sells out, send a "sold out but here are alternatives" email to people who had it in their cart. Or offer a waitlist for restocking. Don't just let them discover it's sold out on the product page.