This interactive demo shows every feature, how it works, and why it matters — built by Omni Online Strategies, an AI automation agency. Click, tap, and try every step.
Using a marketing tool for cold outreach is the #1 deliverability mistake. Click each tool to understand the difference.
Klaviyo, Mailchimp, Brevo, and ActiveCampaign are excellent for nurture sequences with opted-in subscribers — a different job entirely. Klaviyo for email marketing → · ActiveCampaign for automation →
The most important rule in cold email: never send high volume from a single inbox. Instantly connects unlimited Gmail, Outlook, and custom SMTP accounts. Every send rotates automatically — no single inbox ever gets stressed. Click the button below to see it in action.
Gmail and Outlook consider 30–50 cold emails/day the safe ceiling per inbox. Send 500 and you trigger rate limits. Send 1,000 and your domain gets flagged. Once that happens, even replies to warm contacts start landing in spam — and you can't quickly recover that domain's reputation.
One domain, 3 inboxes, each sends 30/day = 90 emails/day, minimal risk. Three secondary domains (yourco-mail.io, yourco-hq.co, yourco-reach.net), 3 inboxes each = 270/day. Ten domains, 3 inboxes each = 900/day. Google Workspace costs ~$6/inbox/month. Your main domain never touches a cold email.
Recommended sending accounts:
A brand-new inbox has zero history. Gmail doesn't know whether you're a legitimate business or a spammer. Instantly's warmup builds that trust over 14–28 days — automatically, before you ever touch a real campaign.
Instantly runs a private deliverability network of 4.2M+ real accounts (source: instantly.ai blog, 2025). When you enable warmup on a new inbox, those accounts exchange emails with yours — opens, replies, moving from spam to inbox. Google and Outlook observe these positive signals and build a trust score for your domain. The system runs automatically; you just wait. Once your health score hits 90%+ after 14–28 days, you're cleared to send campaigns.
Days 1–7: 10–15 warmup emails/day. Never send campaigns yet. Days 8–14: Ramp to 20–30/day. Run your first Inbox Placement test. Days 14–28: Health score above 90%? Ready to go. Instantly shows the score in your dashboard — no guesswork. Key rule: never rush warmup. Two weeks of patience saves weeks of domain recovery.
A single cold email has a ~3% reply rate on average. A 3-step sequence, properly spaced, can reach 8–15%. Most replies come on steps 2 and 3 — not the opener. Click the steps below to explore the copy. Use the buttons to add steps.
You don't have to write any of this yourself. Describe your offer, your target audience, and a case study result. The AI writes the full sequence — subject lines, body copy, follow-up angles, and A/Z test variants. You review and launch. Most users say their first AI-generated sequence outperforms their manually written one.
Step 1 drives ~35–40% of all replies. Step 2 adds another 30–35%. Step 3 captures 15–20% more — people who needed two touches to warm up. Stopping at one email leaves 60% of your pipeline untouched. Optimal spacing: 2–4 business days between steps. Keep each email to 50–150 words. One clear ask per email.
Instantly includes SuperSearch — a built-in B2B lead database with 450M+ verified contacts. Filter by job title, company size, industry, revenue, tech stack, and more. Or import your own CSV. Verification happens automatically before any email is sent.
Unverified lists typically have 15–30% bad addresses. Sending to them creates hard bounces. If your bounce rate exceeds 2%, Google flags your domain and begins filtering your mail. Instantly verifies every address before import. A fraction of a cent per address. The cost of skipping it is your entire sending infrastructure.
When 9 inboxes are running campaigns, replies arrive at 9 different email addresses. Without Unibox you'd log into each one separately. Unibox pulls everything into one view. Instantly's AI auto-labels each reply — Interested, Not Now, OOO, Unsubscribe — so you act on the hot ones first. Click any reply below to open the thread.
"Interested" fires when a reply contains buying signals. "Not Now" gets logged for a future follow-up reminder. "OOO" auto-pauses the sequence and reschedules. You spend zero time inbox-triage — only acting on real conversations. Instantly also suggests AI-written replies tailored to each thread, trained on your offer context.
Instantly's analytics go beyond open rates. Track sends, replies, meetings booked, and revenue generated per campaign. Pause what isn't working. Double down on what is.
Most teams use Instantly manually — copy-pasting leads, writing sequences themselves, checking replies one by one. An AI automation agency builds the full system around it: AI agents that source leads, enrich data, write personalized copy, route hot replies to your CRM, and notify your SDR in real time. Zero manual steps between "prospect exists" and "meeting booked."
The tool is Instantly. The system is what matters. An AI automation specialist wires together: a lead source (Apollo, Clay, or SuperSearch), an enrichment AI agent (GPT-4 + Serper), Instantly's sending infrastructure, a reply classification agent, and a CRM handoff (GoHighLevel, HubSpot). The result is a pipeline that runs 24/7 with no manual prospecting.
A properly built AI outbound system targeting 1,000 new prospects/week generates on average 8–15 qualified conversations/week and 2–4 booked meetings. No SDR needed for prospecting or triage. Human effort is focused only on closing. That's the difference between using a tool and deploying an AI automation system.
n8n orchestrates the entire workflow — triggers, routing, error handling, CRM sync. GPT-4 powers enrichment, personalization, and reply scoring. Instantly.ai handles sending, rotation, warmup, and Unibox. Google Workspace provides the dedicated sending inboxes. GoHighLevel or HubSpot captures booked meetings and manages the pipeline. Each piece is purpose-built for its role — the AI automation layer connects them all.
Disclaimer: This is an interactive educational demo created by Omni Online Strategies to illustrate how Instantly.ai works. All data, email addresses, campaign stats, lead lists, and inbox names shown are fictional and for demonstration purposes only. Omni Online Strategies is not affiliated with Instantly.ai. Benchmark statistics are industry estimates; actual results vary by campaign, industry, and list quality.