A marketing team rescues its campaigns from the spam folder

The situation

Picture a marketing team running the usual mix — newsletters, lead-magnet follow-ups, a re-engagement push on an older list. The campaigns used to perform; lately they don't. Open rates slide campaign after campaign, and a test send to the team's own inboxes ends the mystery: the emails are arriving, just not in the inbox.

Every bounced or spam-foldered email is budget spent twice — ESP fees and design time for a message nobody sees. And because the team keeps sending while the problem compounds, each campaign digs the hole a little deeper.

The pain: which of four problems is it?

"We're in spam" isn't a diagnosis. Spam filters weigh several things at once: the content itself, the sending domain's authentication (SPF, DKIM, DMARC), sender reputation, and the quality of the list being mailed. A team can fix one and keep failing on the others — clean copy sent from an unauthenticated domain still gets filtered, and a pristine domain mailing a decayed list earns bounces that drag its reputation down anyway.

The list is the sneakiest of the four. Email lists decay 25-30% per year, and the stale addresses concentrate exactly where standard tools give up: catch-all domains, where unverified addresses bounce at 27x the normal rate — or get deleted wholesale on a verifier's "risky" advice, throwing away contacts the team already paid for.

So the team stops guessing and checks all four fronts in order, starting with the fastest: a free spam-score check on the campaign itself.

The workflow, step by step

1. 1

   Score the campaign copy in the Spam Checker

   The team pastes the campaign into Enrichley's free Spam Checker, which scans the body and the subject line against 500+ known trigger words used by major providers like Gmail, Outlook, and Yahoo, and returns a 0-100 score with every flagged word categorized by severity. The analysis runs entirely in the browser — the email content never leaves the team's machine — and the target is a health score of 80 or higher.

2. 2

   Rewrite the trigger words, not the message

   Flagged phrases get swapped, not just deleted. The team works from the categorized list in Spam Trigger Words: The Full List to Avoid, which pairs each risky phrase with a safe alternative. One trigger word rarely sinks an email — the damage comes from stacking several together, amplified by risky formatting — so the rewrite targets the clusters, re-testing in the checker until the score is healthy.

3. 3

   Check the sending domain's authentication

   Content is only part of the story, so the sending domain goes through the free Domain Health Checker, which validates the MX, SPF, DMARC, and DKIM records and returns actionable recommendations. Missing authentication is a silent spam-folder sentence — without SPF, DKIM, and DMARC, mail is far more likely to be marked as spam or rejected — and a DMARC policy stuck at "none" gets a plan to move toward quarantine and reject.

4. 4

   Verify the list before the send

   The list itself is the last leak: lists decay 25-30% per year, and every bounce chips away at the sender reputation the first three steps just repaired. The team runs the file through Enrichley for bulk verification at 1 credit per email — including the catch-all addresses other tools mark "risky" and tell you to delete, contacts the team already paid for. Only confirmed-valid addresses stay in the send, which is what keeps bounces under the 2% line.

5. 5

   Make the checks routine

   The rescue becomes a pre-send checklist: spam-check every new campaign, re-check domain health when anything changes in the stack, verify before every send, and run quarterly list hygiene so decay never piles back up. The two checkers are free and unlimited, so the only recurring spend is verification credits — the full playbook is on our marketing use-case page.

The outcome

The campaigns clear the spam folder because nothing is left to chance on any of the four fronts: the copy scores clean, the domain authenticates, and every address in the send was confirmed valid first. Sends go back to reaching the people who signed up for them, and the budget goes to emails that actually arrive.

Just as important, the team keeps the contacts a "delete-the-riskies" cleanup would have cost it — the valid addresses on catch-all domains stay in the audience instead of the trash. And because the checks are now routine rather than a rescue, sender reputation stops swinging between crises.