Inbox-First Sending

    Send emails that actually reach the inbox

    Guided SPF, DKIM, and DMARC setup. Gradual domain warmup with automatic pause protection. Hard bounces and complaints removed from future sends without you lifting a finger. The fundamentals, done right.

    How it works

    From send to sale, step by step

    1

    Generate SPF, DKIM, and DMARC records

    We produce the exact DNS records for your domain. You paste them into your DNS provider — we never touch your registrar credentials. DMARC starts at p=none so you can see who's sending as you before tightening policy.

    2

    Pick your warmup pace

    Choose 28 days (aggressive), 42 days (standard), or 56 days (conservative). We gradually increase your daily send volume so Gmail, Outlook, and other inbox providers learn to trust your new domain at a pace you're comfortable with.

    3

    Auto-pause if things go wrong

    If bounces or complaints spike during warmup, we pause sends automatically — as tight as 2% bounce / 0.05% complaint on the conservative preset. You're alerted; your reputation stays intact.

    4

    Hard bounces and complaints auto-removed

    When an address hard-bounces or a recipient hits spam, we drop them from future sends without you lifting a finger. Bad addresses stop costing you reputation the moment they turn bad.

    5

    One-click unsubscribe in every email

    We include one-click unsubscribe headers in every send, the way Gmail and Yahoo now require for bulk senders. Recipients stay in control; your domain stays compliant.

    The problem

    Why most email marketing tools fall short here

    Your emails land in spam — and you don't know why

    You hit send, opens look terrible, and you can't tell if it's the subject line, your sender reputation, or an authentication issue. Most platforms give you a bounce rate and call it a day.

    SPF, DKIM, and DMARC are a black box

    Authentication records are copy-pasted from a forum post, hoped-for, and never looked at again. One typo and your domain quietly starts failing checks at major mailbox providers — you only find out when opens crater.

    New domains get blocked before you find your audience

    Send 10,000 emails from a fresh domain on day one and providers flag you as a spammer. Without a proper warmup schedule, your reputation is burned before your first real campaign goes out.

    How SegmentFlow solves it

    What makes our approach different

    Warmup with auto-pause protection

    Gradually ramp your daily send volume on the pace you choose — 28 days (aggressive), 42 days (standard), or 56 days (conservative). If bounces or complaints spike during warmup, we pause sends automatically — as tight as 2% bounce / 0.05% complaint on the conservative preset. Your reputation is protected before a bad list becomes a blocked domain.

    SPF, DKIM, and DMARC you actually control

    We generate the exact DNS records for you. You paste them into your own DNS provider — credentials for your domain never leave your hands. DMARC starts in monitoring mode (p=none) so you see who's sending as you before tightening policy.

    Bad addresses drop themselves

    Hard bounces and spam complaints are removed from future sends automatically. No cleanup scripts, no manual suppression lists — bad addresses stop costing you reputation the moment they turn bad.

    Frequently asked questions

    Common questions about email deliverability

    Try it yourself — it's free

    Connect your store. Send your first newsletter in minutes. No credit card, no onboarding call, no trial that expires. Free means free.

    Get Started Free

    No credit card required. Free plan, forever.