Email deliverability is one of those topics where half-knowledge spreads faster than facts.
And in platforms like Mautic, one particular misconception keeps resurfacing:
“If marketing emails land in Gmail Promotions, mark them as Transactional to force Inbox delivery.”
At first glance, this sounds logical. In reality, it’s technically incorrect, risky, and non-compliant.
This article breaks down why this approach fails, what actually controls Gmail Inbox placement, and how marketers should handle this correctly—especially when using Mautic.
The Context: Inbox vs Promotions Frustration
Anyone running email campaigns at scale has faced this:
- Well-crafted emails
- Clean infrastructure (SPF, DKIM, DMARC)
- Still landing in Gmail Promotions
At some point, many marketers discover Mautic’s Transactional Email option and assume:
“Transactional emails must be treated as more important by Gmail.”
That assumption is where the problem begins.
Transactional ≠ Inbox (This Is the Core Truth)
In Mautic, Transactional is not a deliverability flag.
It is a compliance override.
When an email is marked transactional:
- ❌ Unsubscribe status is ignored
- ❌ Do Not Contact (DNC) is ignored
- ❌ User consent is bypassed
Transactional emails are designed only for:
- Password resets
- OTPs
- System alerts
- Critical account notifications
They exist outside marketing rules—by design.
Using them for campaigns may appear to “work” temporarily, but it introduces legal, ethical, and reputational risk.
Why Gmail Promotions Happens (Real Reasons)
Gmail does not look at:
- Mautic email type
- “Transactional” vs “Marketing” flags
- ESP internal classifications
Gmail does evaluate:
- Content structure (HTML-heavy vs human-like)
- Language patterns (promotional vs conversational)
- Number of links and CTAs
- Engagement history (opens, replies, forwards)
- Past recipient behavior
- Sending patterns and velocity
In short:
Inbox placement is earned, not forced.
The Hidden Risk: Compliance & Reputation Damage
Marking campaigns as transactional to avoid Promotions can lead to:
- CAN-SPAM violations
- GDPR consent breaches
- Complaints from recipients who already unsubscribed
- Domain reputation degradation
- ESP account flags or suspension
These consequences often show up months later, not immediately—making them harder to trace back to the root cause.
The Correct Way to Improve Inbox Placement (What Actually Works)
1. Keep Campaigns as Marketing (Non-Negotiable)
Marketing emails must:
- Respect unsubscribe
- Respect DNC
- Respect user intent
This protects both brand credibility and infrastructure health.
2. Write Inbox-Style Emails (Not Campaign Emails)
Inbox emails look like people wrote them, not platforms.
Best practices:
- Plain text or light HTML
- No banners or buttons
- One clear message
- One soft CTA
- Encourage replies
Replies are Gmail’s strongest Inbox signal.
3. Segment for Engagement, Not Volume
Send Inbox-style emails only to:
- Recently engaged contacts
- Past responders
- Warm leads
Cold segments belong in Promotions—and that’s acceptable.
4. Accept That Promotions Is Not Spam
The Promotions tab:
- Is still the Inbox
- Still delivers notifications
- Still converts when intent is high
Trying to “escape” Promotions by bypassing rules is the wrong battle.
A Safer, Scalable Strategy
The most sustainable approach is dual-track email strategy:
|
Email Type |
Goal |
Expected Tab |
|---|---|---|
|
Conversational follow-ups |
Replies & trust |
Primary Inbox |
|
Nurture & offers |
Awareness & conversion |
Promotions |
|
System notifications |
Critical delivery |
Transactional |
Each has a role. Mixing them causes long-term damage.
Final Takeaway
Transactional emails are not a deliverability hack.
They are a compliance mechanism.
Using them incorrectly may solve a short-term visibility issue while creating a long-term business risk.
Experienced marketers don’t fight Gmail’s classification system—they work with it.
If you’re using Mautic:
- Keep campaigns as Marketing
- Design Inbox-style content intentionally
- Segment based on engagement
- Reserve Transactional emails strictly for system events
That’s how you protect both deliverability and reputation at scale.


