Email Spam Triggers
Words and patterns that trigger email spam filters
Checks
Excessive Caps Lock
Detect when more than 50% of email content is in uppercase
Excessive capitalization is a strong spam signal and looks unprofessional
Spam Trigger Words
Detect common spam trigger words like 'FREE', 'ACT NOW', 'CLICK HERE', 'URGENT'
These words are heavily weighted by spam filters
Excessive Exclamation Marks
Detect more than 2 exclamation marks in subject line or excessive use in body
Multiple exclamation marks are a spam indicator
Suspicious URLs
Detect URL shorteners, suspicious domains, or mismatched link text
Suspicious links are a major red flag for spam filters
Unreplaced Personalization Tokens
Detect [FIRSTNAME], {{firstName}}, or similar tokens that weren't replaced
Unreplaced tokens look unprofessional and trigger spam filters
Excessive Emoji Usage
Detect more than 3 emojis in subject line or excessive use in body
Too many emojis can trigger spam filters
Cryptocurrency Keywords
Detect cryptocurrency-related keywords that often trigger spam filters
Crypto content is frequently flagged as spam
Money Symbols
Detect excessive use of money symbols ($, €, £) or 'get rich' language
Financial spam indicators
All Caps Subject Line
Detect subject lines written entirely in uppercase
All caps subject lines are almost always marked as spam
Suspicious Attachments
Detect executable files, zip files, or suspicious attachment types
Suspicious attachments are major spam indicators
Excessive Hyperlinks
Detect more than 5 links in email body
Too many links can trigger spam filters
Image-Only Email
Detect emails with only images and no text content
Image-only emails are often spam
Suspicious Sender Address
Detect suspicious sender email addresses (noreply, no-reply, suspicious domains)
Suspicious sender addresses are spam indicators
Phishing Keywords
Detect common phishing keywords like 'verify account', 'suspended', 'action required'
Phishing keywords trigger spam filters
Excessive Punctuation
Detect excessive use of punctuation marks (???, !!!, ...)
Excessive punctuation is a spam indicator
Red Flag Words
Detect words like 'guarantee', 'no risk', 'limited time', 'act now'
Sales pressure words trigger spam filters
Suspicious HTML Structure
Detect suspicious HTML patterns, hidden text, or obfuscated content
Suspicious HTML is often used by spammers
Low Text to Image Ratio
Detect emails with very little text compared to images
Low text-to-image ratio is a spam indicator