One word. That's all it takes.
Use one spam trigger word, and your email gets flagged by filters. One phrase, and your deliverability tanks.
At imisofts, we've tested 10,000+ email variations. We know which words kill your campaign instantly.
Here are 50+ trigger words to avoid, plus what to say instead.
The Spam Word Categories
Email filters focus on three categories:
- Sales-y words ("opportunity," "solution," "increase")
- Urgency triggers ("act now," "limited time," "urgent")
- Too-good-to-be-true claims ("free," "100%," "guaranteed")
50+ Spam Trigger Words + Replacements
Sales-y Words to Avoid
| Avoid | Say Instead |
|-------|-------------|
| Lead generation | Outbound prospecting |
| Opportunity | Idea / Angle / Thought |
| Marketing solution | Approach / Strategy |
| Sales opportunity | Conversation |
| Increase sales | Book more meetings |
| Boost revenue | Generate pipeline |
| Growth solution | Growth strategy |
| Revenue growth | More pipeline |
| Enterprise solution | Platform / Tool |
| Win-win | Mutual benefit |
| Unlock potential | Explore |
Urgency Triggers to Avoid
| Avoid | Say Instead |
|-------|-------------|
| Act now | Let me know |
| Limited time | This month / This quarter |
| Urgent | Important / Worth exploring |
| ASAP | Soon |
| Hurry | Quick call |
| Don't delay | Consider |
| Final notice | One more thought |
| Last chance | Last email |
| Time-sensitive | [Specific timing reason] |
| Expires | Spots filling |
Too-Good-to-Be-True Claims
| Avoid | Say Instead |
|-------|-------------|
| Free | No cost / Complimentary |
| 100% | 98% / Most |
| Guaranteed | Seen in [number] cases |
| Risk-free | Money-back / No risk |
| Exclusive | One-time / Limited spots |
| Special offer | Custom proposal |
| Best | Most effective |
| #1 | Ranked #1 / Top-rated |
| Award-winning | Recognized for [specific thing] |
| Proven | Tested with [number] teams |
| Works instantly | Results within [timeframe] |
Email-Specific Spam Words
These words specifically trigger email filters:
| Avoid | Say Instead |
|-------|-------------|
| No spam | [Just don't use] |
| Unsubscribe here | [Include unsubscribe] |
| Email marketing | Outreach |
| Click here | [Book call link] |
| Learn more | Let's chat |
| Apply now | Reply if interested |
| Call now | [Direct phone number] |
| Don't miss out | Something you should know |
| See for yourself | Quick walkthrough |
| Testimonials | What customers say |
All-Caps Words (Never Use)
These are death in cold email:
- CHECK THIS OUT
- AMAZING OPPORTUNITY
- DON'T WAIT
- ACT NOW
- CLICK HERE
- MUST READ
- URGENT
- IMPORTANT
- FINAL OFFER
- SECRET
Rule: Never use ALL CAPS in cold email, ever.
Money-Related Trigger Words
These tank deliverability instantly:
| Avoid | Say Instead |
|-------|-------------|
| Save money | Reduce costs / Better economics |
| Make money | Generate revenue |
| Cash | Income / Earnings |
| Payment | Investment |
| Financial | Budget / Spend |
| Profit | Margin improvement |
| Commission | Earnings |
| No credit card | No signup required |
| Price | Cost |
| Discount | Affordable / Competitive |
Healthcare / Medical Spam Words
If you're in healthcare:
| Avoid | Say Instead |
|-------|-------------|
| Cure | Relief / Support |
| Miracle | Breakthrough |
| Medication | Treatment |
| Doctor recommended | Clinically tested |
| Prescription | Recommendation |
| Drug | Therapy |
| Medical breakthrough | Advancement |
Financial / Investment Spam Words
If you're in fintech/lending:
| Avoid | Say Instead |
|-------|-------------|
| Easy money | Income stream |
| Risk-free investment | Low-risk |
| Guaranteed returns | Historical returns |
| Can't lose | High probability |
| No risk | Managed risk |
| Beat the market | Outperform benchmarks |
| Hot tip | Insight / Angle |
| Insider trading | Market opportunity |
Words That Lower Reply Rates (Not Spam, Just Weak)
These aren't spam triggers, but they reduce reply rates 20-30%:
| Avoid | Say Instead |
|-------|-------------|
| Just reaching out | [Specific reason] |
| I wanted to contact you | [Specific reason] |
| Hi [First Name], hope you're having... | Hi [First Name], [specific opening] |
| Quick question | [Specific question] |
| Would love to chat | [Specific topic] |
| Saw your profile | Saw [specific achievement] |
| Thought you might be interested | [Specific reason why] |
| Let's connect | [Specific ask] |
| At your earliest convenience | [Specific timeframe] |
| Regards | [Your name] |
How to Check Your Email for Spam Words
Step 1: Copy your email text
Step 2: Use a spam checker (Boomerang, Postmark)
Step 3: Look for:
- Trigger words highlighted
- Suggestions for alternatives
- Overall spam score
Step 4: Replace trigger words
Step 5: Re-test
Real Example: Before + After
Before (Spam Score: High)
Subject: "AMAZING OPPORTUNITY for Growth!"
Hi John,
I wanted to contact you about an exciting opportunity to increase your sales and boost revenue. This exclusive offer is limited time only. We guarantee 100% results.
Learn more today—don't miss out!
Act now: [link]
---
After (Spam Score: Low)
Subject: "quick thought on your pipeline"
Hi John,
I noticed you expanded into [market]. Most SaaS teams struggle with pipeline consistency. We help teams book 5-8 qualified meetings per month.
Curious what your current biggest bottleneck is?
— Zeeshan
Impact of Spam Words on Deliverability
Before: 2-3 trigger words = 20-25% spam folder rate
After: 0 trigger words, clean language = 2-3% spam folder rate
That's 85-90% improvement in inbox placement.
What We Recommend at imisofts
We audit and optimize email copy for spam words:
- Automatic spam word detection
- Real-time suggestions for replacements
- Testing across 10+ email clients
- Deliverability scoring
- Industry-specific spam word lists
Explore imisofts Cold Email Packages