Spam words: forbidden words in a newsletter

The main problem that we can find in the execution of an email marketing campaign is that our emails end up being classified as Spam. It will determine the success of the campaign and the reading of the information or offers we send to recipients or customers.

For this reason, we must be very careful in the design of each campaign and follow the basic tips to keep our emails end up in spam folder, among which are the use of an anti-spam filter or stop sending emails to people who have not asked.

However, GMK Unlimited experience tells us that the most important thing is to avoid using spam words on the subject of our emails. Beyond avoiding capital letters, unstructured phrases, symbols or punctuation marks, here are a selection of the main words prohibited in the subject of any email:




Words that imply gratuity

Free, 100% free, free access, gift, full refund, free calls, free investment, free installation, free hosting, free money

Words that imply discount

best price, 50% less, save up, special promotion, for only, discount, sales, offer, compare prices, eliminate your debt, lowest prices, lowest interest rate, why pay more?

Words that induce the purchase / action

buy, buy direct, we accept credit cards, click here, press this link

Words related to the recipient's profit

earn money, earn extra money, extra income, purchase money, credit, financing, earn, income, increase sales, full refund, additional income, cash prizes, huge profits, check / bank transfer, total benefit, real benefit

Words that express exaltation

wonderful, amazing, unbelievable , your eyes won't believe it, impressive values

Words that create a sense of urgency

urgent, now, do it now, call now, apply now, take advantage today, can't live without, get now, do it today, instant access, begin today, once in life, what are you waiting for?, make the decision now, limited time, priority mail

Words to build trust

no risk, no tricks, no hidden costs, 100% satisfied, as seen on TV, completely natural, cancel at any time, confidentiality, security, insurance, join millions of people, according to the laws, satisfaction guaranteed, this is not spam

Excessive personalization

4U, for you, dear friend, congratulations, congratulations, you have been selected, you won

Words related to sex or relationships

sex, hot, meet singles, single

Words related to medicines or drugs

online pharmacy, medicine, viagra, vicodin, levitra, valium xanax, herbs, hormones, lose weight, reverses the age

Words involving employment benefits

be your own boss, work from home, effective for your work

Words related to digital marketing

marketing online , more traffic in Internet, direct marketing, email marketing, new domain extensions


casino, don't delete, foreign, Copy DVDs

TourReportingPrice ScheduleI+D+ieShow 2013 MadridSupport
CampaignsPricingCreate a account!CustomersResourcesGlossary
SubscribersSee PlansAbout usNewsGuidelines
TemplatesAdditional ServicesInfrastructureLinksRSS News