Free for 3 months · no card needed
Cold email infrastructure, set up for you in 10 minutes
ReplyDak is cold email infrastructure for sales, recruiting and agency teams: it buys lookalike sending domains, sets up SPF, DKIM and DMARC, creates real Microsoft 365 or Google Workspace mailboxes and ramps up their sending safely, in about 10 minutes. Mailboxes cost from $2.69 a month each, about 10% below the market leader. The built-in tools (list verifier, AI first lines, AI reply drafts) are free for your first 3 months, then you pay only what they cost us, with no markup.
No card needed to sign up. The built-in tools are free for 3 months, then you pay only for what you use. Mailboxes from $2.69 each when you order them.
Or try it now: enter your company domain to see available sending domains and your exact price.
See ReplyDak work
The real app, from sign-up to ready mailboxes.
Read the transcript
Sending cold email from your main domain can put it on a blocklist, and setting up separate domains and mailboxes by hand takes days. With ReplyDak, you start with a free account. You need a name, an email and a password. No card. Type your company domain. ReplyDak checks its SPF, DKIM and DMARC records, and suggests lookalike sending domains you can buy right now. Pick your sending domains, choose how many mailboxes, and add the people who will send. You see the exact monthly price before you pay, and nothing is created until you do. After you pay, ReplyDak buys the domains, publishes every DNS record, creates the mailboxes and starts a safe warm-up. It takes about 10 minutes. While they warm up, clean your prospect list with the verifier, and write a personal first line for each prospect with AI. Export the mailboxes to Instantly or Smartlead, or use the built-in sequencer, and read every reply in one inbox, sorted by AI. Free for your first three months. Then you pay only for what you use. Start at replydak.com.
Who it's for
Founders and SDRs
You want to start cold email without putting your company domain at risk, and without learning DNS first.
Recruiting and staffing agencies
You email candidates and hiring managers every day and need mailboxes that stay out of spam.
Lead-generation agencies
You set up sending for each new client. ReplyDak does it per client in minutes, with an API and 20% commission.
How it works

1Enter your company domain
ReplyDak suggests lookalike sending domains, such as getacme.com for acme.com, and checks live which ones you can buy. Your main domain never sends cold email.

2Choose mailboxes and pay
Pick how many mailboxes, whose names they carry, and Microsoft 365 or Google Workspace. You see the exact monthly price before you pay in USD, EUR or INR.

3Send from ready mailboxes
In about 10 minutes the domains, DNS records and mailboxes are live and warming up. Export them to Instantly, Smartlead or any sequencer, or use the built-in one.
What you get
Domains bought for you
Lookalike suggestions, live availability, nameservers and forwarding to your real website.
SPF, DKIM and DMARC done
Every record Gmail, Yahoo and Outlook ask for is published and checked. No copy-pasting DNS values.
Real Microsoft 365 or Google mailboxes
Each mailbox is a real user named after someone on your team, not shared SMTP.
A safe warm-up ramp
Real sending climbs from about 2 to 30 emails a day over roughly 3 weeks, and slows or pauses on bounces or spam.
Export to any sequencer
One CSV for Instantly, Smartlead or any tool, with safe daily limits filled in.
Shared inbox with AI sorting
Replies from all your mailboxes in one place, sorted into interested, question, not interested, out of office and more, with optional AI reply drafts.
List verifier and AI first lines
Clean a CSV of addresses before you send, and get a personal opening line for each prospect from their website.
Inbox placement tests
Three free tests a month show whether a test email lands in the inbox or spam at the main providers.
What it costs
Mailboxes cost from $2.69 a month each ($35 for 10 on Microsoft 365) and domains $13 a year — those prices stay as they are. The built-in tools are free for your first 3 months. Then you pay only for what you use, at our cost — no markup. Monthly plans coming soon.
See exactly what things costCompared with the market leader
| ReplyDak | Market leader | |
|---|---|---|
| Price for 10 mailboxes a month | $35 | $39 |
| Price for 30 mailboxes a month | $87 | $99 |
| Built-in tools (verifier, AI lines, AI drafts) | Free for 3 months, then at cost | Not part of the mailbox price |
| Google Workspace mailboxes | Premium, $4.90 each | Included in plans |
| Billing currencies | USD, EUR, INR | USD |
| Affiliate commission | 30% for 3 months, then 20% for life | 10% for life |
Market leader = the best-known dedicated cold email infrastructure provider; list prices from its public pricing page, checked 16 Oct 2026.
Questions, answered
What is ReplyDak?+
ReplyDak sets up cold email for you: it buys separate sending domains, publishes SPF, DKIM and DMARC, creates real Microsoft 365 or Google Workspace mailboxes and warms them up, so you can send without risking your main domain.
Is it really free?+
Signing up is free and needs no card. The built-in tools (list verifier, AI first lines, AI reply drafts) are free for your first 3 months with no cap. Mailboxes and domains are paid when you order them: from $2.69 per mailbox a month and $13 per domain a year.
What happens after 3 months?+
Your mailboxes keep running at the same monthly price. The built-in tools switch to pay-per-use at our cost, with no markup, paid from a wallet you top up from ₹200. We email you about two weeks, five days and one day before, and the dashboard shows the date.
Do I need a card?+
Not to sign up or to use the free tools. You pay by card, UPI or bank only when you order mailboxes or top up the wallet.
How long does setup take?+
About 10 minutes from payment to working mailboxes for a new domain in our live runs. Domain verification at Microsoft or Google sometimes takes longer; the order page shows each step.
Will my emails land in the inbox?+
We set up every record and warm up each mailbox carefully, and we check blocklists daily. Nobody can honestly guarantee inbox placement, so we don't. Your copy, list and volume matter too.
Is my data safe?+
Mailbox passwords are encrypted at rest, and you own your domains: you can move them to your own registrar at any time. We don't sell or share your data. See the privacy policy and DPA for details.
Who is behind ReplyDak?+
ReplyDak is built by Surge Software Solutions Private Limited in Bengaluru, India. The founder is Venu Gopal Reddy Muvva.
Can I talk to a person?+
Yes. Ask the assistant in the bottom-right corner; if it can't answer, leave your email and the founder replies, usually within 10 hours. You can also write to support@replydak.com.
Which sending tools does it work with?+
Any tool that connects Microsoft 365 or Google mailboxes, including Instantly, Smartlead, Lemlist and Reply. You can also use ReplyDak's built-in sequencer.
Get your sending mailboxes ready today
Start free — 3 months on usQuestions? Ask our assistant (bottom right) — it answers 24/7.
Last updated 1 November 2026 · by Venu Gopal Reddy Muvva, founder