Email Spam Trigger Words Reference
Categorized reference of spam trigger words (free, urgent, etc.) and patterns (ALL CAPS, emoji density, $$$) that increase spam scoring.
Searchable list of trigger words by category. Includes mitigation strategies for unavoidable cases (e.g., legitimate use of 'free trial').
Writing cold email subject lines and bodies. Auditing existing campaigns for spam risk.
FAQ
Will using one trigger word send me to spam?+
No. Modern spam filters use ML on patterns, not keyword blocklists. One 'free' won't trigger spam. Three or four together with ALL CAPS will.
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Articles, glossary entries, and other tools on the same topic.
You know the rule. See where you sit against it.
Reference pages tell you the benchmark. Outsolvi tells you whether your team is above or below it — per-rep, per-deal, per-week — and which behavior changes move the number. From $7/user/mo yearly.
See your numberNate built Outsolvi after watching every email-tracking tool he had ever used lie to him about opens. Outsolvi runs Tier 1 to 5 confidence scoring on every open, native in Outlook and Gmail, so the number on the dashboard is one a rep can actually act on.
We update these pages when the underlying mechanics change — new mailbox-provider rules, new tracker behavior, new measurement gaps. The dates above are real revisions, not auto-touches.