In this article, you will discover the ultimate list of words and symbols to avoid spam filters and it is best for beginners at email marketing.
So use this list to weed out any words that may trigger the algorithm and also so that you can maintain a good reputation with your email autoresponder.
Doing this will stop you from getting banned by your email marketing software.
Email marketing remains one of the channels with the highest return on investment and this is according to litmus.com.
So for your business to benefit, you must use this strategy the right way.
That means ensuring your emails get sent to your customers' inboxes. This alone will increase the chances of your business being seen.
You may want to know what is considered spam by most email service providers.
- They are words that are typically blacklisted on spam filters and that most people would consider being spammy in nature.
- This is a list of words to avoid if you want to avoid being filtered as spam.
- If you want to avoid being filtered as spam, avoid using words like "Free" and "Money." These words can be flagged by spam filters algorithms of email service providers.
If you use the following words and symbols in your emails you will be marked as spam and that has a few consequences for your business.
Not only will you get banned by your email marketing autoresponder for spamming.
But emails ending up in spam folders will do nothing for your business.
They will not be seen because not many people sift through their spam folders.
The list below can be categorised as follows:
- Spam industry words...
- Offer words...
- Banned words and phrases
- Aggressive action words
- Nonspam words
A-Z Types of Words To Avoid Spam Filters.![]() |
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A - B
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C - E
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F - G
H - L
M - O
P - V
W - Y
Also these words and symbols...
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To increase email deliverability do not use these words in your emails.
Now that you are aware of what words to keep to a minimum and avoid completely in your emails.
And as long as your customers use these free email service providers:
Gmail, Outlook, Yahoo Mail, Zoho Mail, Yandex Mail, Hotmail, iCloud Mail, AOL Mail, etc
Your emails are subject to the spam filter algorithm that detects spam trigger words and mark your emails as spam or not.
With that being said I have an additional tool to help you succeed. By checking for email spam trigger words in every newsletter before you hit send.
Since a high number of spam emails or emails marked as spam will get you suspended by most email marketing autoresponders like for example AWeber or Convertkit.
It is important to check for spam trigger words and to familiarise yourself with this ultimate list of words that trigger spam filters.
Use this tool to check for email spam trigger words in your newsletters.
There are many reasons as to why emails end up in the spam folder.
The good news is that there are a few things to check in order to resolve this issue.
They are as follows:
- You need to authenticate your email
- Check your Domain or IP reputation
- Is your domain blacklisted
- Are your emails encrypted
- Check your newsletter content
It is often good practice to check and remove spam trigger words and symbols in your headlines, subtitles, newsletters, and campaigns.
So far in this article, I have focused on the words and symbols you should avoid using in order for your emails to avoid spam filters.
But, for your email marketing strategy to yield the desired results that it is well known for. That is the high return on investment.
There are a few factors you should consider in choosing the email marketing software that will do all the heavy lifting for your business.
- I have this article that goes into detail about the 5 best factors to consider when selecting an email autoresponder.
And also that you should be sending the right email type for example if a customer has just signed up into your email list. You need to be sending them a welcome email.
- You can learn more about the email types you should be sending by reading this article titled email marketing types that a small business should be using.
This article is mainly focused on the words that a beginner at email marketing should avoid using in order for your emails not to end up in the spam folder of your customers.
I must say that some words are not spammy words but because they have been overused and therefore they now fall in the category of blacklisted words by spam filters.

Some businesses like affiliate marketing are the hardest hit because there have been users not paying due diligence and not following email marketing best practices.
So you will find that email autoresponders like MailChimp will not let you use their platform. They prohibit certain businesses so as to protect their sender reputation and email deliverability.
With that being said, I hope you have found this article useful and as always feel free to share it with your nearest and dearest.
Thank you very much for taking the time to read through this article. I would certainly love to hear what you think about this ultimate list of spam trigger words.

Or anything you might have in the comments section below. I will respond as soon as I possibly can.