New: Inbox rescue moves warm-up mail out of Spam and Promotions automatically. See how

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One step to sign up or sign in. No password, no card.

What happens next

Check your domain 30 secondsSPF, DKIM, DMARC, MX and blocklists, with the record to paste for anything that fails.
Connect your mailbox 2 minutesEnter the address you send from. Google and Outlook connect with one sign-in.
Warm-up starts tomorrow AutomaticA few emails a day at first. Each morning you get a safe number to send, and the reason.

One mailbox and every domain check are free. No card.
Connect Cloudflare, Name.com or Porkbun and Flaiir adds missing records for you.
Signing in never gives Flaiir access to your mailbox. That is a separate step.

Flaiir

Land in the inbox. Not spam. Not promotions.

Deliverability tips, once a month

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© 2026 Flaiir · flaiir.coMade for senders who want replies.

- Inbox placementInbox, Promotions or spam, checked daily
- Inbox rescueWarm-up mail moved out of spam
- Warm-up networkMember mailboxes trading one-to-one email
- Daily numberHow many to send today, and why
- Ramp plannerHow long until 100 a day
- IntegrationsMailboxes, DNS hosts and sending tools
Pricing

Menu

Product

Inbox placement
Inbox rescue
Warm-up network
Daily number
Ramp planner
Integrations

Solutions

For founders
For agencies
For sales teams
For recruiters

Free tools

Domain check
Spam checker
SPF generator
DMARC generator
Blocklist checker
MX checker
All free tools

Compare

Flaiir vs Warmup Inbox
Flaiir vs MailReach
Flaiir vs Warmy

Resources

SPF explained
DKIM explained
DMARC explained
MX explained
Security
Affiliate program
About

Pricing Book a demo

Book a demo Log in Start free

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