What is a transactional email?

Updated Oct 14, 2026

A transactional email is an automated, one-to-one message sent in response to something a specific person did or something that happened to their account. Password resets, order confirmations, shipping notices, receipts and appointment reminders are all transactional emails. The recipient expects them, needs them, and usually acts on them right away.

Because they're expected, transactional emails get far more engagement than marketing campaigns. Brevo's 2026 benchmarks put the average click-through rate for automated, triggered emails at 7.39%, compared with 2.27% for regular campaigns. That's why it's worth treating them as more than plain system notices.

When is an email considered transactional?

An email is transactional when its main purpose is to complete, confirm or update a transaction or relationship the recipient already has with you. Three questions help you decide:

Was it triggered by the recipient or their account? A purchase, a sign-up, a password request or a change to their subscription.
Is it sent to one person about their own activity? Not to a list or segment.
Would the recipient be worse off without it? Missing a receipt, a security alert or an appointment reminder causes real problems. Missing a sale announcement doesn't.

In the United States, the FTC's CAN-SPAM compliance guide uses a "primary purpose" test. If a message mixes transactional and promotional content, it's treated as commercial when the subject line would lead a recipient to think it's an ad, or when the transactional content doesn't appear at the beginning of the message.

Common types of transactional emails

Type	Examples	What the recipient needs
Appointment reminders	Salon bookings, service visits, class reservations	Date, time, location and a way to reschedule
Invoices and receipts	Order confirmations, payment receipts, refunds	Items, amounts, order number and support contact
Shipping and delivery	Shipped, out for delivery, delivered	Tracking link and expected delivery date
Account alerts	New login, changed email address, low balance	What happened and what to do if it wasn't them
Password management	Password reset, two-factor codes, magic links	A secure link or code that expires quickly
Event notifications	Registration confirmations, tickets, schedule changes	Ticket or QR code, venue details, calendar link
Customer support	Ticket received, ticket updated, case resolved	Ticket number and the next step
Subscription management	Renewal notices, plan changes, cancellation confirmations	Renewal date, price and how to manage the plan
Legal and policy updates	Terms of service or privacy policy changes	A summary of what changed and when it takes effect

Transactional vs. marketing emails

Both types can come from the same brand and platform, but they follow different rules and serve different goals.

	Transactional email	Marketing email
Trigger	An action or event tied to one person	A campaign you schedule for a list or segment
Audience	One recipient	Many recipients
Primary purpose	Complete or update a transaction	Promote a product, service or offer
Consent	Not needed for the transactional content itself	Opt-in or a working opt-out, depending on the law
Unsubscribe	Generally not required under CAN-SPAM, though routing info must be accurate	Required, and opt-outs must be honored within 10 business days
Timing	Immediately	Whenever it fits your campaign plan
Typical click rate	Higher (7.39% for automated emails)	Lower (2.27% for campaigns)

For more on the laws that govern commercial email, see 6 ways to comply with email marketing laws.

Transactional emails bypass opt-outs

Transactional emails go to people who've unsubscribed from your marketing. That's what makes them reliable, and it's also why they must stay genuinely transactional. Adding promotions to a receipt or password reset can turn it into a commercial message under the law and erode trust with people who asked not to hear from you.

The gray area

Some automated emails are triggered by a person's behavior but exist mainly to drive a sale. Treat these as marketing emails and send them only to contacts who can receive marketing:

Abandoned cart reminders. They're triggered by the shopper, but their purpose is to win back a sale.
Review and feedback requests. These ask for something rather than complete a transaction. Keep them simple and send them as marketing if they include offers or incentives.
Win-back and "we miss you" emails. These are promotional, even when they're personalized.
Product recommendations after a purchase. Helpful, but commercial.

Many of these work well as automated campaigns. See 17 types of automated emails you can start using today for ideas.

Best practices for transactional emails

Send immediately. A password reset that arrives 10 minutes late is a support ticket.
Lead with the transaction. Put the order details, code or confirmation at the top, and keep the subject line factual.
Make the next step obvious. One clear call to action, such as "Track your order" or "Reset password," with click tracking so you can see what people actually do.
Brand it. Use your logo, colors and sender name so recipients recognize and trust the message.
Personalize it. Use the recipient's name, order details and account data. See 6 benefits of personalized email marketing.
Authenticate your domain. Set up SPF, DKIM and DMARC so these emails reach the inbox.
Design for mobile. Most of these get opened on a phone, often right after the person took an action there.
Skip the promotional bait. A small, relevant link (like "Manage your account") is fine. A coupon banner above the receipt isn't.

How to send transactional emails in DailyStory

In DailyStory, you create a transactional email the same way you create any other email, then mark it as transactional in the email's advanced settings. You can trigger it from an automation or send it with the Send Email API, passing custom values (like an order number or event date) that you reference in the template as profile fields.

Transactional emails ignore opt-out preferences and skip DailyStory's built-in email guardrails, so use the setting only for messages that truly qualify. The Transactional Email Guide walks through the setup step by step, and you can compare plans on the pricing page.

Frequently asked questions

Do transactional emails need an unsubscribe link?

Under CAN-SPAM, messages whose primary purpose is transactional or relationship-based are mostly exempt from the unsubscribe requirement, but they can't contain false or misleading routing information. If the email includes promotional content that makes it commercial, it needs a working opt-out. Laws outside the U.S., such as CASL and GDPR, have their own rules.

Can I include a promotion in a transactional email?

You can, but carefully. Keep the transactional content first, keep the subject line about the transaction, and keep any promotion small. Otherwise the message may be treated as commercial, and you'll be sending marketing to people who opted out.

Is an abandoned cart email transactional?

No. It's triggered by the shopper, but its purpose is to encourage a purchase, so treat it as a marketing email and respect opt-outs.

Why do transactional emails get higher click rates?

Recipients are waiting for them and need to act on them, whether that's tracking a package or resetting a password. That intent is why automated emails earn roughly three times the click-through rate of regular campaigns.