What Are Spam Trigger Words?
Spam trigger words are terms or phrases that raise red flags for spam filters. These filters are built to protect inboxes from unsolicited, misleading, or suspicious content. If your email contains too many of these words — especially in combination with poor formatting or low sender reputation — your message may be flagged as spam or even rejected.
Spam filters don’t just look at keywords in isolation. Context, design, and your sending history all matter.
Examples of what spam filters associate trigger words with:
- Scams
- Gimmicks
- False promises
- Get-rich-quick schemes
- Free or misleading offers
Important Notes
- Using one or two of these words in context is not automatically harmful.
Problems arise when you:
- Use multiple trigger words aggressively
- Write in all caps, bright red fonts, or with excessive exclamation marks
- Already have a low sender reputation or high bounce rate
Spam Words That Make Exaggerated Claims and Promises
| Common Trigger Phrases (Part 1) | Common Trigger Phrases (Part 2) |
|---|---|
| 100% more | Free preview |
| 100% free | Free quote |
| 100% satisfied | Free trial |
| Additional income | Full refund |
| Be your own boss | Get out of debt |
| Best price | Get paid |
| Big bucks | Giveaway |
| Billion | Guaranteed |
| Cash bonus | Increase sales |
| Cents on the dollar | Increase traffic |
| Consolidate debt | Incredible deal |
| Double your cash | Lower rates |
| Double your income | Lowest price |
| Earn extra cash | Make money |
| Earn money | Million dollars |
| Eliminate bad credit | Miracle |
| Extra cash | Money back |
| Extra income | Once in a lifetime |
| Expect to earn | One time |
| Fast cash | Pennies a day |
| Financial freedom | Potential earnings |
| Free access | Prize |
| Free consultation | Promise |
| Free gift | Pure profit |
| Free hosting | Risk-free |
| Free info | Satisfaction guaranteed |
| Free investment | Save big money |
| Free membership | Save up to |
| Free money | Special promotion |
Spam Words That Create Unnecessary Urgency and Pressure
| Urgency-Based Trigger Words (Part 1) | Urgency-Based Trigger Words (Part 2) |
|---|---|
| Act now | New customers only |
| Apply now | Order now |
| Become a member | Please read |
| Call now | See for yourself |
| Click below | Sign up free |
| Click here | Take action |
| Get it now | This won’t last |
| Do it today | Urgent |
| Don’t delete | What are you waiting for? |
| Exclusive deal | While supplies last |
| Get started now | Will not believe your eyes |
| Important information regarding | Winner |
| Information you requested | Winning |
| Instant | You are a winner |
| Limited time | You have been selected |
Spam Words That Indicate Shady or Unethical Behaviour
| Unethical or Suspicious Terms (Part 1) | Unethical or Suspicious Terms (Part 2) |
|---|---|
| Bulk email | No investment |
| Buy direct | No obligation |
| Cancel at any time | No purchase necessary |
| Check or money order | No questions asked |
| Congratulations | No strings attached |
| Confidentiality | Not junk |
| Cures | Notspam |
| Dear friend | Obligation |
| Direct email | Passwords |
| Direct marketing | Requires initial investment |
| Hidden charges | Social security number |
| Human growth hormone | This isn’t a scam |
| Internet marketing | This isn’t junk |
| Lose weight | This isn’t spam |
| Mass email | Undisclosed |
| Meet singles | Unsecured credit |
| Multi-level marketing | Unsecured debt |
| No catch | Unsolicited |
| No cost | Valium |
| No credit check | Viagra |
| No fees | Vicodin |
| No gimmick | We hate spam |
| No hidden costs | Weight loss |
| No hidden fees | Xanax |
| No interest |
Spam Words That Are Jargon, Legalese, or Sales Traps
| Legal/Sales/Marketing Terms (Part 1) | Legal/Sales/Marketing Terms (Part 2) |
|---|---|
| Accept credit cards | Loans |
| Ad | Luxury |
| All new | Marketing solution |
| As seen on | Message contains |
| Bargain | Mortgage rates |
| Beneficiary | Name brand |
| Billing | Offer |
| Bonus | Online marketing |
| Cards accepted | Opt in |
| Cash | Pre-approved |
| Certified | Quote |
| Cheap | Rates |
| Claims | Refinance |
| Clearance | Removal |
| Compare rates | Reserves the right |
| Credit card offers | Score |
| Deal | Search engine |
| Debt | Sent in compliance |
| Discount | Subject to… |
| Fantastic | Terms and conditions |
| In accordance with laws | Trial |
| Income | Unlimited |
| Investment | Warranty |
| Join millions | Web traffic |
| Lifetime | Work from home |
6 Deliverability Tips to Stay Out of the Spam Folder
Run a spam check Use tools like Mail-Tester to scan your message before sending.
Practise good email list hygiene Regularly clean your list with BulkMail's verification tools. Remove inactive and bounced emails.
Don’t break the law Always comply with POPIA, include your physical address, and add a clear unsubscribe option.
Consider a double opt-in This ensures every subscriber truly wants to receive your emails, improving engagement and reducing complaints.
Make your emails more engaging Personalised content boosts open and click rates. Use dynamic content to match interests and behaviours.
Be smart about your cold email marketing Never purchase email lists. Always get explicit permission and focus on targeted, relevant messaging.
South African businesses using BulkMail can improve inbox placement, protect their domain reputation, and achieve stronger campaign performance.