Email Subject Words that can Send Your Emails to Spam

by Lindsey Winsemius - Posted 1 week ago

Getting emails into inboxes is a priority for companies using email marketing. But it is harder than ever to reach your audience, because many email services like Gmail, Outlook, Yahoo Mail, and more are proactively blocking suspected spam.

You can read in more detail how to keep your emails out of spam in this article. But for today, I’m just giving you a list of words used in the subject line that trigger the spam filters.

Before you hit “Send” on that email campaign, check that you’re not using some of the commonly blocked words in the list below.

Most Common Subject Words that Trigger Spam Filters:


100%
#1
$$$
Act now
Action
Additional income
Affordable
All natural/new
Amazed
Apply now
Avoid
Be amazed/your own boss
Beneficiary
Billing
Billion
Bonus
Boss
Buy
Call free/now
Cancel
Cash
Casino
Certified
Cheap
Clearance
Click here
Collect
Compare rates
Congratulations
Credit card/check/offers
Cures
Deal
Dear friend/somebody
Debt
Direct email
Discount
Don't delete/hesitate
Double your income/cash
Earn
Expire
Extra
Fantastic
Free access/money/gift
Freedom
Friend
Get it now/started/paid
Great
Guarantee
Hello
Income
Increase sales/traffic
Instant
Investment
Junk
Limited
Lose
Lowest price
Luxury
Make $/money
Medicine
Money
Name
No credit check/experience
Now
Obligation
Offer
Only
Open
Order now
Please
Presently
Problem
Promise
Purchase
Quote
Rates
Refinance
Refund
Remove
Request
Risk-free
Sales
Satisfaction
Save
Score
Serious
Spam
Success
Supplies
Take action
Terms
Traffic
Trial
Unlimited
Urgent
Weight
While supplies last
Win
Winner