Email Marketing Mistakes: What to Do When You Have Already Sent

It happens to everyone. You check your sent campaign five minutes after it goes out and notice the typo in the subject line, or realize the link in your main CTA points to the wrong page, or discover the discount code you included expired last month. The email is already in tens of thousands of inboxes. Now what?

The answer depends on what the mistake actually was and how seriously it affects your subscribers.

Assess the damage before you do anything

Your first instinct might be to send a correction immediately. Resist it. A correction email calls attention to an error that many of your subscribers may not have noticed. A small typo in the body copy that does not affect meaning, a slightly wrong date that is still in the right week, a link that goes to the right general area of your site: none of these warrant a follow-up. Sending one makes more people aware of the mistake than would have noticed it otherwise.

Ask yourself two questions before deciding. Would the mistake cause a subscriber to take an incorrect action or form a false impression about your business? And would correcting it produce a better outcome than leaving it alone? If the answer to both is yes, a correction makes sense. If the mistake is cosmetic or low-impact, the better choice is usually to note it, fix it in your template or process, and move on.

For broken links, check your data first

If the mistake involves a broken or incorrect link, look at your click data before sending anything. How many people have already clicked? If the number is low and it is early in the campaign, you might be able to redirect the destination URL at the server level so that anyone who clicks subsequently lands in the right place. If significant numbers have already clicked a link that led nowhere useful, a correction is more likely to be worth sending.

Pricing errors are a special case

A pricing error needs faster action than most other mistakes. If you published a price that was significantly wrong, you need to correct it before more customers take action on it. Get everyone who might be affected informed quickly, and involve your legal and customer service teams in the response. Whether you are obliged to honor an incorrectly advertised price depends on your jurisdiction and the specific circumstances, which is why this is not a decision to make unilaterally.

When you do send a correction

Keep it short and honest. Your subject line should acknowledge the error directly rather than being cryptic: "Correction: the right link is here" or "We got the price wrong, here is the correct one." Do not bury the correction in three paragraphs of apology. Lead with the fix, explain briefly what went wrong, and move on.

The one case where more effort is worthwhile is when the mistake caused real inconvenience to subscribers, or when your brand depends on precision and accuracy. A correction that includes a genuine offer or a small acknowledgment of the inconvenience can actually improve subscriber sentiment when handled well. Some well-executed apology emails generate open rates and conversion rates above the sender's normal average, because subscribers appreciate the transparency.

If you include a promotional offer in your correction, give it a tight expiry window of 24 to 48 hours. This creates a reason to act while the correction is still timely, and it contains the cost of the gesture.

The pre-send checklist that prevents most of this

Most email mistakes are preventable. Before sending any campaign: send a test to at least two people and read it in a real email client on a phone and on desktop, click every link manually, check every price and date against the source, read the subject line out loud to check it sounds the way you intended, and confirm the unsubscribe link works. This takes under ten minutes and catches the majority of errors that turn into correction emails.

For a full set of pre-send best practices: 101 email marketing tips.