Overview
Follow the setup workflow to reach 100% primary inbox
Best inbox rate
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Last test
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Tests run
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Seed accounts
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Recent tests
No tests yet — run your first inbox test
Getting started
1. Add your sending domain under Settings → Domains and validate DNS
2. Create a brand profile and link it to your validated domain
3. Select your brand in the optimizer and paste your email HTML
4. Run an inbox placement test
2. Create a brand profile and link it to your validated domain
3. Select your brand in the optimizer and paste your email HTML
4. Run an inbox placement test
Email Optimizer
Select a brand with a validated domain — AI injects hidden deliverability signals without changing any visible content
Email HTML input
Analysis & output
Select a brand with validated DNS and paste HTML to optimize
Inbox Placement Test
Send to your seed list and check where your email lands
Step 1 — Copy seed list and send your email to all addresses
0 seed accounts
Step 2 — Enter campaign details
Send your email from your ESP to all seed addresses above, wait 5 minutes, then click Check Results.
Test History
All placement tests — track your improvement over time
Total tests
0
Best result
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Ready to send
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Last tested
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Settings
Manage your domains and brand profiles
Domains
Brand Profiles
Integrations
Your Domains
Add your sending domain and validate DNS records. A validated domain is required before a brand can be used in the optimizer.
DNS setup guide by sending platform ▸
DKIM, SPF & DMARC
1
Find your DKIM records in Klaviyo
Account → Settings → Email domains. Click your domain to see two CNAME records.
2
Add the two DKIM CNAME records
Type: CNAME | Name: klaviyo1._domainkey | Value: dkim1.klaviyo.com
Type: CNAME | Name: klaviyo2._domainkey | Value: dkim2.klaviyo.com
Type: CNAME | Name: klaviyo2._domainkey | Value: dkim2.klaviyo.com
3
Add SPF record
Type: TXT | Name: @ | Value: v=spf1 include:klaviyomail.com ~all
4
Add DMARC record
Type: TXT | Name: _dmarc | Value: v=DMARC1; p=quarantine; rua=mailto:[email protected]
1
Authenticate your domain
Account → Domains → Authenticate.
2
Add DKIM CNAME + SPF
Type: CNAME | Name: k1._domainkey | Value: dkim.mcsv.net
Type: TXT | Name: @ | Value: v=spf1 include:servers.mcsv.net ~all
Type: TXT | Name: @ | Value: v=spf1 include:servers.mcsv.net ~all
3
Add DMARC
Type: TXT | Name: _dmarc | Value: v=DMARC1; p=quarantine; rua=mailto:[email protected]
1
Domain authentication in SendGrid
Settings → Sender Authentication → Domain Authentication.
2
Add CNAMEs + SPF + DMARC
Type: CNAME | Name: s1._domainkey.yourdomain.com | Value: s1.domainkey.u1234567.wl.sendgrid.net
Type: TXT | Name: @ | Value: v=spf1 include:sendgrid.net ~all
Type: TXT | Name: _dmarc | Value: v=DMARC1; p=quarantine; rua=mailto:[email protected]
Type: TXT | Name: @ | Value: v=spf1 include:sendgrid.net ~all
Type: TXT | Name: _dmarc | Value: v=DMARC1; p=quarantine; rua=mailto:[email protected]
1
Connect sending domain
Settings → Marketing → Email → Sending domains.
2
Add DKIM TXT + SPF + DMARC
Type: TXT | Name: hs1._domainkey | Value: (from HubSpot)
Type: TXT | Name: @ | Value: v=spf1 include:hubspotemail.net ~all
Type: TXT | Name: _dmarc | Value: v=DMARC1; p=quarantine; rua=mailto:[email protected]
Type: TXT | Name: @ | Value: v=spf1 include:hubspotemail.net ~all
Type: TXT | Name: _dmarc | Value: v=DMARC1; p=quarantine; rua=mailto:[email protected]
1
Settings → Advanced → Email domains
2
Add DKIM + SPF + DMARC
Type: TXT | Name: acems._domainkey | Value: (from ActiveCampaign)
Type: TXT | Name: @ | Value: v=spf1 include:emsd1.com ~all
Type: TXT | Name: _dmarc | Value: v=DMARC1; p=quarantine; rua=mailto:[email protected]
Type: TXT | Name: @ | Value: v=spf1 include:emsd1.com ~all
Type: TXT | Name: _dmarc | Value: v=DMARC1; p=quarantine; rua=mailto:[email protected]
1
Add sender signature in Postmark
2
Add DKIM + SPF + DMARC
Type: TXT | Name: 20161024._domainkey | Value: k=rsa; p=(from Postmark)
Type: TXT | Name: @ | Value: v=spf1 include:spf.mtasv.net ~all
Type: TXT | Name: _dmarc | Value: v=DMARC1; p=quarantine; rua=mailto:[email protected]
Type: CNAME | Name: pm-bounces | Value: pm.mtasv.net
Type: TXT | Name: @ | Value: v=spf1 include:spf.mtasv.net ~all
Type: TXT | Name: _dmarc | Value: v=DMARC1; p=quarantine; rua=mailto:[email protected]
Type: CNAME | Name: pm-bounces | Value: pm.mtasv.net
Integrations
Connect your sending platform to push optimized emails as drafts and send inbox placement tests automatically.
K
Klaviyo
Push optimized HTML as a campaign draft · Send test emails to seed accounts
Not connected
Coming soon
Mailchimp
Coming soon
SendGrid
Coming soon
HubSpot
Coming soon
ActiveCampaign
Coming soon
Postmark
Coming soon
Brevo
Coming soon
Brand Profiles
Each brand must be linked to a validated domain before it can be used in the optimizer.