Mails.ai is a tool specialized for cold email outreach at scale. Mails.ai ensures high deliverability which helps your business grow while offering the best limits on the market.

Can I actually connect unlimited email accounts with Mails.ai?

Absolutely! You can connect as many accounts as you need from any provider.

Can I actually upload unlimited contacts with Mails.ai?

Of course! You can upload as many contacts from your database as you want.

How many emails can I send everyday?

We do not set a limit to how many emails you can send daily. Our plans are built around how many new unique active contacts you outreach to on your account.

How many campaign sequence steps can I create?

Unlimited. You can create as many sequence steps as you want.

Mails.ai

freemium

Scaled outreach with unlimited email accounts

22.2k monthly visits

free version available

Sales Outreach Email Automation

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Mails.ai is a tool specialized for cold email outreach at scale. It helps users run smart, automated, AI-driven email campaigns to grow their business. The platform offers unlimited email accounts, unlimited contacts, and unlimited warmup. Features include an AI email writer that automatically writes and sets up email campaigns, email verification, inbox rotation, and campaign warmup. Mails.ai connects with any email service provider such as Gmail, Google Workspace, Outlook, Zoho, and Yahoo. The tool is designed to maximize deliverability and replies while maintaining sender reputation.

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Mails.ai

1What is Mails.ai?

2Can I actually connect unlimited email accounts with Mails.ai?

3Can I actually upload unlimited contacts with Mails.ai?

4How many emails can I send everyday?

5How many campaign sequence steps can I create?

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Our Blog

GPT-Live-1 in the API: Build Natural Full-Duplex Voice Agents (What Changed)

ChatGPT for Financial Services: What Bankers Get Beyond Work

OpenAI Agents API Explained: Build a Cloud Agent With Hosted Sandboxes

DeepSeek V4.1 Flash Isn't a Point Release: What Changed + the Sept 14 Routing Checklist