Mails
Mails.ai is an AI-driven cold email outreach platform that automates large-scale campaigns with unlimited email accounts, warmup, deliverability optimization and an AI email writer to help businesses scale outreach and improve reply rates.
Mails is sales software teams evaluate for content & marketing. Use this page to review pricing, integration signals, and the best alternatives before you commit.
Used in These Packs
Quick Overview
Best for: Content & Marketing
What it does
Sales software for decision-makers comparing workflow fit and alternatives.
Best fit
Content & Marketing
Pricing snapshot
Freemium from $0/mo
Next step
Compare Mails with similar tools before you shortlist it.
Compare this tool before you shortlist it
Review alternatives, pricing posture, and workflow fit side by side.
Mails
Mails.ai is specialized cold-email software designed to run automated, AI-driven outreach at scale while maximizing deliverability. It targets businesses, sales teams and agencies that need to send large volumes of personalized cold emails without per-inbox charges. Core capabilities include an AI Email Writer that composes campaigns from a few inputs, unlimited email account connections, automated warmup systems (Mailbox Warmup and Campaign Warmup), email verification, inbox rotation and campaign automation. The product aims to let users upload large contact lists, set up campaigns quickly, and let the system run on autopilot to increase replies and revenue. Mails.ai also offers a Done-For-You (DFY) service for customers who want setup or lead-provisioning assistance.
Mails.ai is an AI-driven cold email outreach platform that automates large-scale campaigns with unlimited email accounts, warmup, deliverability optimization and an AI email writer to help businesses scale outreach and improve reply rates.
Own this listing?
Claim this page to add pricing, features, screenshots, and verified owner details.
Claim this listingKey Features
AI Email Writer
Automatically generates compelling, personalized email sequences and can set up campaigns from a few details provided by the user.
Unlimited Email Accounts
Connect an unlimited number of sender accounts from any provider; Mails.ai does not charge per inbox.
Automation & Campaigns
Upload and verify contacts, let the AI configure sequences, set daily limits and run automated follow-ups and campaign schedules.
Email Verification
Real-time email verification to maximize deliverability and engagement by removing invalid addresses.
Mailbox Warmup
Automated warmup that sends natural-seeming emails within a warmup pool to improve sender reputation and avoid promotion-only flags.
Campaign Warmup
Content-focused warmup that trains filters by sending campaign emails to related accounts and encouraging non-spam feedback to improve content deliverability.
Inbox Rotation
Rotate senders intelligently to reduce spam flags and increase inbox delivery across multiple accounts.
Unlimited Contacts & Scalability
Upload unlimited contacts and scale outreach; plans are structured around monthly "Active Contacts" rather than strict daily send caps.
Advanced Reporting & Custom Tracking Domain
Available on paid plans to monitor campaign performance and use a custom tracking domain for improved deliverability and branding.
Pricing
Forever Free plan with unlimited email accounts and warmup; restricted to Gmail & Google Workspace accounts. No credit card required.
Free
$0/mo- Unlimited Email Accounts
- Unlimited Email Warmup
- Support Ticket
- Restricted to Gmail & Google Workspace accounts
Startup
Starting from $24/mo- Unlimited Email Accounts
- Unlimited Email Warmup
- 1,000 Active Contacts / mo
- Unlimited Emails Monthly
Growth
Starting from $49/mo- Unlimited Email Accounts
- Unlimited Email Warmup
- 5,000 Active Contacts / mo
- Unlimited Emails Monthly
Pro
Starting from $99/mo- Unlimited Email Accounts
- Unlimited Email Warmup
- Unlimited Active Contacts / mo
- Unlimited Emails Monthly
Use Cases
Cold outbound sales
Create multi-step sequences to prospect and follow up with leads automatically to generate meetings and sales opportunities.
Lead nurturing at scale
Upload large contact databases and run personalized outreach campaigns to nurture and convert leads over time.
Agency/client outreach
Agencies can manage many sender accounts and campaigns across clients without per-inbox charges, using warmup and rotation to protect deliverability.
Deliverability optimization
Use mailbox and campaign warmup plus email verification to improve inbox placement for new and existing sender accounts.
Done-For-You (DFY) campaigns
For organizations that prefer hands-off setup, Mails.ai offers a paid DFY service that can provide leads and manage campaign setup.
Integrations
Google Workspace / Gmail
Connect Gmail and Google Workspace accounts as sender accounts (supported on free plan under restriction).
Outlook
Connect Outlook accounts for sending campaigns through Microsoft mailboxes.
Zoho
Connect Zoho mail accounts as senders.
Custom SMTP
Connect custom mail servers via SMTP to send from any provider not natively listed.
Benefits
Limitations
Frequently Asked Questions
What is Mails.ai?
Can I connect unlimited email accounts?
Can I upload unlimited contacts?
How many emails can I send every day?
What are Active Contacts?
Is Mails.ai fully automated?
What is the difference between Mailbox Warmup and Campaign Warmup?
Can Mails.ai provide leads for me?
Getting Started
- 1 Sign up for a free account (no credit card required) and log in.
- 2 Connect your email account(s) — supports Gmail/Google Workspace, Outlook, Zoho and custom SMTP accounts.
- 3 Upload and verify your contacts using the built-in email verifier.
- 4 Use the AI Email Writer to create a sequence or configure your own campaign, set daily limits and warmup preferences.
- 5 Launch the campaign and monitor responses and reports; optionally use the DFY service for help with setup or leads.
Support
Chat widget
Live chat support available on the site for sales and setup questions.
Support ticket
Support ticketing is available (listed as included across plans) for technical help.
Help Center / Docs
Help Center, roadmap, feature request pages and a knowledge base are listed in the site's resources.
Done-For-You (DFY) service
Paid service option to have the vendor set up campaigns and provide leads if needed.
API
Compare Mails with similar tools
See how it stacks up against alternatives
Related Tools
View all 50 →Igemailfinder
IG Email Finder finds and verifies emails for Instagram profiles to support influencer outreach, sales, and lead generation—delivering results via CSV or Google Sheets with a credit-based subscription model.
Success
Success.ai is an outbound sales platform that provides unlimited access to a 700M+ verified B2B contact database, AI-powered email personalization and multichannel outreach, deliverability tools, and a built-in CRM to help sales and marketing teams discover, verify, enrich and contact prospects at scale.
Presspulse
PressPulse is an AI-driven HARO alternative that scans journalist requests across multiple platforms and sends experts highly relevant media opportunities, plus AI-assisted pitch drafting and prioritization.
Premium Alternatives
Tweetdetective
TweetDetective is a Chrome extension that analyzes tweets and surfaces the probability a tweet was generated by AI, using models trained to detect content from systems like ChatGPT and Bard.
Tinyadz
TinyAdz is an independent ad network built for small-to-medium websites, newsletters, directories, social creators and niche apps—focused on verified human traffic, clear reporting, and publisher-friendly monetization rather than the growth-at-all-costs model of large ad platforms.
Whatshouldido
What should I do? is an AI-driven service from GAJIX that helps users explore life and career directions through a short questionnaire and personalized suggestions for a one-time fee of $5.
metagpt-mgx
MetaGPT X (MGX) is a no-code AI builder platform that enables users to create powerful AI applications and websites without any coding knowledge. It empowers business owners, entrepreneurs, and creative professionals to build sophisticated AI solutions quickly and efficiently.
22analytics
22analytics.com is an available .com domain listed for sale on HugeDomains, offered with purchase and financing options, a 30-day money-back guarantee, and domain delivery through the NameBright registrar.
Closerscopy
ClosersCopy is an AI-powered copywriting platform that helps marketers, copywriters, and teams generate long-form content, sales copy, ads, emails and SEO-optimized blog posts using proprietary AI models, customizable frameworks and a library of templates.