Maildoso $1 Offer

Try Our Mailboxes For Just $1!

Take advantage of our best offer and get 50 mailboxes for only $50/month

How It Works

1. Buy 10 domains

Domain cost is $12/year (cheaper than Instantly or Smartlead). The domains remain yours in any case, and you’re free to use them however you like.

2. Pay for the subscription

Follow the link to get mailboxes for just $1 each. The offer has no time limit — stay subscribed as long as you need!

3. Start using them

After payment, you’ll receive an email with login details. Log in at app.maildoso.com to create your mailboxes and export them to CSV for use with any popular cold email platform.

4. Join our Slack Community

We’ve gathered over 1,300 outbound professionals in our free Slack community — a place where you can find contractors, ask tech support questions, join upcoming webinars, or submit your copy for a roast.

See It in Action

Why You Should Try It

IP rotation

Your emails are sent from many different IPs, which keeps them from being flagged by spam filters.

Self-healing mailboxes

Did some of your mailboxes burn out? No problem — we’ll automatically pause them from sending for 14 days so they can recover!

Global customer domains tracking

With our mailboxes you can include any links, videos, and images in the first message (we automatically replace them with safe substitutes).

Fully automated setup

Create hundreds of mailboxes in just 5–10 minutes. SPF, DKIM, and DMARC records are configured automatically.

Deliverability Checks

We regularly measure deliverability for all mailboxes — you can review the health score of each mailbox and see an overall account rating right in your dashboard.

Trusted by 4,500+ users

Join leading agencies, SaaS companies, and sales teams that trust Maildoso to keep their outbound stable, scalable, and safe.

All our packages come with a 30-day money-back guarantee

You can return the mailbox fees for any reason — just contact support to request a refund

Add our Premium Warmup

With AI agents, we perform hundreds of thousands of in-browser actions, which greatly improves mailbox reputation and makes it invisible to spam filters