How I Would Fix emails landing in spam in a Make.com and Airtable mobile app Using Launch Ready.

How I Would Fix emails landing in spam in a Make.com and Airtable mobile app Using Launch Ready

If your mobile app sends emails through Make.com and Airtable, and those messages are landing in spam, the most likely problem is not "email content" alone. It is usually a trust issue: missing or misaligned SPF, DKIM, or DMARC, a bad sending domain setup, or a sender reputation problem from sending through an unverified route.

The first thing I would inspect is the sending path end to end: which domain sends the email, which provider actually delivers it, and whether DNS authentication matches that path. In practice, I would check the Mailer module inside Make.com, the Airtable trigger data, and the DNS records for the sending domain before touching copy or templates.

Triage in the First Hour

1. Check the exact email source.

• Open a recent message that landed in spam.
• Confirm the From address, Reply-To address, and envelope sender.
• Note whether Make.com is sending through Gmail, SMTP, SendGrid, Mailgun, Postmark, or another provider.

2. Inspect delivery logs.

• In Make.com, open the scenario run history.
• Look for failed attempts, retries, timeouts, or duplicate sends.
• If your mail provider has logs, confirm whether messages were accepted, deferred, or rejected.

3. Review DNS authentication records.

• Check SPF for the sending domain.
• Check DKIM signing status.
• Check DMARC policy and alignment.
• Verify there are no conflicting records from old tools.

4. Audit the mobile app flow.

• Find where the email trigger starts.
• Confirm whether users are double-submitting forms or triggering multiple scenarios.
• Check if test data is being sent from production.

5. Review message content.

• Look at subject lines, link domains, attachments, and tracking parameters.
• Check for spammy phrases like "free", "urgent", "act now", repeated punctuation, or all caps.
• Confirm every link points to your own branded domain.

6. Inspect sender reputation signals.

• Check bounce rate, complaint rate, and unsubscribe behavior if available.
• Confirm whether you recently changed domains or moved infrastructure.
• Look for sudden volume spikes from automation loops.

7. Verify Cloudflare and domain routing if used.

• Confirm MX records are untouched by proxy settings.
• Make sure only web traffic is proxied; mail records should not be proxied through Cloudflare.

dig TXT yourdomain.com
dig TXT _dmarc.yourdomain.com
dig TXT selector1._domainkey.yourdomain.com

Root Causes

| Likely cause | How to confirm | Why it causes spam | |---|---|---| | SPF is missing or wrong | Compare DNS SPF record with actual sender | Inbox providers cannot verify authorized senders | | DKIM is off or broken | Check mail headers for DKIM=pass/fail | Messages fail cryptographic trust checks | | DMARC alignment fails | Compare From domain with SPF/DKIM authenticated domain | Even valid mail can be treated as suspicious | | Wrong provider setup in Make.com | Review SMTP/API credentials and sender config | Mail may be sent through an untrusted route | | Shared IP or bad reputation | Check provider reputation dashboards | Your messages inherit poor deliverability | | Trigger loop or duplicate sends | Review scenario runs and Airtable automations | Repeated sends look like abuse to filters |

A few of these can happen at once. The common pattern I see is a founder using Airtable as the source of truth, Make.com as the automation layer, and a generic mailbox as the sender without proper DNS setup. That creates weak authentication plus inconsistent volume control.

The Fix Plan

My goal here is to repair deliverability without breaking production automation.

1. Freeze risky changes first.

• Pause non-essential Make.com scenarios that send email.
• Stop any duplicate Airtable automations that can trigger multiple messages.
• Keep critical transactional flows only.

2. Standardize one sending domain.

• Use a dedicated subdomain like `mail.yourdomain.com` or `notify.yourdomain.com`.
• Do not send transactional app email from a personal Gmail address if you want reliable inbox placement.
• Keep marketing email separate from product notifications.

3. Fix SPF correctly.

• Include only the providers that actually send on your behalf.
• Remove stale services from old experiments.
• Keep within one SPF record per domain to avoid lookup issues.

4. Turn on DKIM signing at the provider level.

• Generate keys inside your email provider or SMTP service.
• Publish the public key in DNS exactly as instructed by that provider.
• Confirm signed messages show `DKIM=pass`.

5. Set a sane DMARC policy.

• Start with `p=none` if you need monitoring first.
• Move to `quarantine` after validation.
• Move to `reject` only when SPF and DKIM are consistently aligned.

6. Clean up Make.com logic.

• Add deduplication so one Airtable record produces one email only once.
• Add filters for empty email addresses and invalid inputs.
• Use error handlers so failed sends do not retry forever.

7. Reduce spam signals in message content.

• Use plain language subject lines tied to user action.
• Remove excessive emojis, urgency language, and link stuffing.
• Keep images light and text readable on mobile.

8. Protect secrets and credentials.

• Store SMTP/API keys only in Make.com connections or secret fields where possible.
• Rotate any exposed credentials immediately if they were pasted into Airtable notes or shared docs.
• Limit access to who can edit live scenarios and bases.

9. Test on real inboxes before reopening traffic.

• Send controlled tests to Gmail, Outlook, Yahoo, and Apple Mail accounts.
• Check headers for SPF/DKIM/DMARC results and folder placement.

Regression Tests Before Redeploy

Before I let this back into production traffic, I would run these QA checks:

1. Authentication checks

• SPF passes on every test message
• DKIM passes on every test message
• DMARC aligns with the visible From domain

2. Deliverability checks

• Send 10 test emails across Gmail, Outlook, Yahoo Mail Plus if available
• At least 8 out of 10 should land in inbox or primary tabs depending on provider behavior
• Zero messages should fail because of malformed headers

3. Scenario integrity checks

• One Airtable record triggers one email only once
• No duplicate sends after retrying a failed scenario
• No emails fire when required fields are empty

4. Security checks

• No secrets stored in plain text fields inside Airtable
• No public sharing of internal automation URLs
• No unauthorized team member can edit production scenarios

5. UX checks

• Email subject matches what the user just did in the app
• Confirmation messaging appears after form submit
• Error state tells users what happened without exposing internals

6. Operational checks

• Logging captures message ID, recipient domain prefix only where needed for privacy compliance rules you follow internally,

status code, timestamp, scenario name, and retry count

• Alerts fire if bounce rate rises above 5 percent
• Alerts fire if send volume spikes more than 2x normal baseline

Acceptance criteria I would use:

• SPF pass rate: 100 percent on test set
• DKIM pass rate: 100 percent on test set
• DMARC alignment: 100 percent on test set
• Duplicate send rate: 0 percent across regression run
• Inbox placement target: at least 80 percent across controlled inboxes

Prevention

I do not treat deliverability as a one-time fix. It needs guardrails across API security, QA, and operations.

• Add change review before editing DNS or Make.com production scenarios.
• Keep one owner for each sending domain so records do not drift over time.
• Log all automation changes with date, editor name,

scenario name, and reason for change.

From an API security lens:

• Restrict who can edit webhooks and API connections in Make.com because exposed keys can lead to unauthorized sends and account abuse.
• Validate all Airtable inputs before they reach email templates so bad data does not become broken headers or unsafe links.
• Use least privilege service accounts instead of personal logins where possible.

From an observability lens:

• Track delivery rate,

bounce rate, complaint rate, open rate, click rate, retry count, and time-to-send p95 under 2 seconds for transactional flows where possible; slower systems often indicate upstream failures before users complain.

From a UX lens:

• Show clear confirmation after actions that trigger email so users do not resubmit out of uncertainty.
• Add loading states on mobile forms because impatient double taps create duplicate sends fast.

From a performance lens:

• Keep webhook responses fast so Make.com does not time out waiting on upstream systems.
• Avoid heavy third-party scripts on confirmation pages that slow completion tracking or break redirects.

When to Use Launch Ready

Use Launch Ready when you want this fixed quickly without turning it into a messy multi-week rebuild.

This sprint fits best if:

• Your app already works but deliverability is hurting activation or retention
• You need DNS corrected before launch day or investor demo day
• You suspect hidden issues across Cloudflare,

SSL, environment variables, redirects, subdomains, or monitoring alongside email delivery problems

What I would ask you to prepare: 1. Admin access to your domain registrar and DNS host 2. Access to Cloudflare if it sits in front of your web app 3. Access to Make.com scenarios and connections 4. Access to Airtable base structure plus automations 5. Access to your email provider dashboard 6. A list of current sender addresses, target inboxes, and examples of spammed messages

• I audit the full mail path
• fix authentication and routing issues
• clean up risky automation behavior
• verify SSL,

redirects, subdomains, secrets handling, caching where relevant, DDoS protection settings where applicable, monitoring, then hand back a checklist you can keep using

References

1. Roadmap.sh API Security Best Practices: https://roadmap.sh/api-security-best-practices 2. Roadmap.sh QA: https://roadmap.sh/qa 3. Roadmap.sh Cyber Security: https://roadmap.sh/cyber-security 4. Google Email Sender Guidelines: https://support.google.com/a/answer/81126 5. Cloudflare Email Routing Docs: https://developers.cloudflare.com/email-routing/

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Take the next step

If this is a problem in your product right now, here is what to do next:

• [Use the free Cyprian tools](/tools) - estimate cost, score app risk, check launch readiness, or pick the right service sprint.

• [Book a discovery call](/contact) - I will tell you honestly whether you need a sprint or if you can DIY the next step.

*Written by Cyprian Tinashe Aarons - senior full-stack and AI engineer helping founders rescue, launch, automate, and scale AI-built products.*