Email Deliverability for Financial Planners: Why Compliance-Approved Emails Still Land in Spam

12 September 2026·5 min read

Quick answer: Emails that clear your compliance review can still get filtered as spam for reasons that have nothing to do with the wording — broken sender authentication (SPF, DKIM, DMARC), a messy or stale contact list, and a page of dense legal text with no plain-English content around it are the usual suspects. The fix is almost never "remove the disclaimers" — it's fixing the technical setup and wrapping the required wording in a genuinely useful email instead of sending disclaimers with a subject line attached. Here's the checklist and how to fix formatting without dropping a word of what compliance needs in there. 📈

There's a special kind of frustrating in watching an email that took three rounds of compliance sign-off land straight in a client's junk folder — deliverability and compliance are completely different problems, and most practices only ever get one of them checked. Here's what's actually going on, and how to fix it without touching a word your compliance team fought for. 💖

Please note: general information, not legal advice — check current official guidance before relying on it.

What most financial planning practices get wrong about deliverability

Blaming the subject line — a spammy subject line matters far less than most people think; the technical setup underneath does the heavy lifting.
Assuming "it worked before" means it still works — inbox providers change their filtering constantly; a setup that landed fine last year can quietly start failing.
Thinking more disclaimers is safer for deliverability — it's the opposite; a wall of unbroken legal text with no other content is a classic spam-filter pattern.
Never checking the list itself — sending to addresses that bounce, or that haven't opened anything in two years, drags down your sender reputation for everyone else on the list too.
Treating deliverability as an IT problem — it's a marketing problem with a technical component; someone still needs to own it.

The plain-English deliverability checklist

SPF: a record that tells inbox providers which servers are allowed to send email on your domain's behalf. DKIM: a digital signature on each email proving it wasn't altered in transit and really came from you. DMARC: the policy that tells inbox providers what to do with an email that fails SPF or DKIM — and gives you visibility into who's sending as your domain. List hygiene: regularly removing bounced addresses and re-engaging or removing contacts who haven't opened anything in 6–12 months. Consistent sending: a steady, predictable sending pattern builds trust with inbox providers faster than occasional large blasts. Format, not just wording: required disclosures presented as a clearly separated footer, in normal formatting, read very differently to a filter than the same words crammed into the body as one dense block.

Three practices, three deliverability fixes

Same underlying issue, three different-looking problems. 📈

Solo financial planning practice: Sending client updates from a personal Gmail-hosted address with no SPF or DKIM set up on the custom domain at all. Getting proper authentication records added by whoever managed their domain took one conversation and fixed the bulk of the problem within a fortnight.

Mortgage broking practice: Authentication was fine — the issue was a list that hadn't been cleaned in four years, full of dead addresses from clients who'd since refinanced elsewhere. Removing hard bounces and re-engaging or archiving cold contacts lifted their inbox placement noticeably within two sending cycles.

Multi-adviser advice firm: Every email opened with three paragraphs of required disclosure text before a single line of actual content — a pattern that reads as "legal notice," not "update from your adviser," to a lot of filters. Moving the same wording, verbatim, into a clearly labelled footer at the end fixed the pattern without dropping a single required word.

How to fix formatting without touching the required wording

The instinct when an email underperforms is to shorten the legal text — don't. Change where it sits and how it's formatted instead. Put the actual update or offer first, in normal sentences. Then set the required disclosures apart clearly — a visually distinct footer, a thin rule above it — so the email reads as "message, with disclosures attached" rather than the reverse. The wording compliance signed off on doesn't change at all; only its position does, and that's a formatting job, not a legal one.

💡 Heads up: Never remove or shorten required disclosure wording to "help" deliverability without your compliance team signing off on the change — what counts as adequate disclosure is a genuine, live regulatory question, and it's their call, not marketing's. Check with them before any wording changes, even ones that feel purely cosmetic.

Mistakes that quietly wreck deliverability

Buying or scraping a contact list — a list of addresses that never opted in tanks your sender reputation fast, and permanently.
Sending from a "no-reply" address — it signals a one-way broadcast, not a relationship, and gives recipients no easy way to mark you as trusted.
Ignoring your own analytics — a slow decline in open rates over months is often a deliverability problem showing up early, not a content problem.
Setting SPF/DKIM/DMARC once and never checking again — a new sending tool or a domain change can silently break authentication that used to work fine.

Frequently asked questions

Why would a compliant email still go to spam?

Because spam filters mostly aren't reading for legal accuracy — they're reading technical signals (authentication, sending patterns) and structural ones (a wall of dense text, low image-to-text ratio). An email can be perfectly compliant and still trip several of those at once.

Can we just remove some of the disclaimer text to improve deliverability?

Not on your own call — that's a compliance decision, not a marketing one. In our experience it's rarely necessary anyway; reformatting and repositioning the same required wording usually solves the deliverability problem without removing anything.

How do we check our SPF, DKIM and DMARC are actually set up correctly?

Free online checker tools test your domain's records in seconds, and most email platforms flag authentication issues in their sending dashboard. If you're not confident reading the results, your web host or IT provider can usually confirm it in a short call.

How quickly will fixing this improve our open rates?

Authentication fixes can show a difference within days to a couple of sending cycles; list hygiene and sender reputation repair generally take longer — think weeks, not overnight — because you're rebuilding trust with inbox providers, not flipping a switch. 🌴

Keep reading 🤍

Written by

Kate, founder of Chronically Online

I help Gold Coast and Brisbane businesses grow with branding, websites and marketing that actually works.

Work with me ✦