From Leads to Replies — Cold Email Done Right

MailOptimal helps sales teams and agencies run scalable cold email campaigns with built-in deliverability, lead sourcing, verification, infrastructure, and sender rotation — all from one platform.

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Powering Growth for Leading Global Companies

The Complete Sales Automation Platform for Cold Email Outreach

Run high-performing cold email campaigns with built-in deliverability, unlimited warmup, verified leads, sender rotation, and inbox management — all under one roof.

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Outreach-ready email accounts, managed at scale

Purchase deliverability-optimized Google and Microsoft mailboxes directly from MailOptimal or bulk-connect your existing email accounts in minutes. Easily update settings, apply tags, and manage all your mailboxes from one place—built for high-volume outbound without the usual setup headaches.
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Run smarter campaigns that follow up for you

Launch automated email campaigns with conditional follow-ups that adapt to lead behavior. Rotate multiple sender accounts, control sending limits, and let MailOptimal handle consistent follow-ups—so no lead ever slips through the cracks.
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Find accurate leads and verified emails in one flow

Access a 700M+ B2B lead database to find your ideal prospects using advanced filters. Instantly uncover valid email addresses for those leads and push them straight into campaigns—no manual enrichment or tool-hopping required.
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Stay out of spam and maximize inbox placement

Protect your sender reputation with unlimited AI-powered email warmup and advanced deliverability tests. Identify inbox placement issues, domain health problems, and setup gaps—then fix them before they impact your campaigns.
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Email Outreach

Launch and scale cold email campaigns with complete control over sending, rotation, and replies — all built for long-term deliverability.

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Unlimited Email Accounts

Add and use as many sender inboxes as you need without restrictions.
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Unlimited Sender Rotation

Distribute sends across multiple inboxes automatically to protect sender reputation.
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Dedicated Server IP for Sending

Ensure unmatched deliverability and consistent sending performance at scale.
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Unified Inbox

Manage replies from all email accounts in one unified inbox.
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Email Deliverability and Analytics

Everything you need to build, monitor, and maintain a strong sender reputation — powered by AI and real deliverability data.

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Unlimited AI-Powered Email Warmup

Warm up unlimited inboxes using human-like engagement patterns.
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Custom ESP Selection

Choose which providers (Google, Microsoft, Others) your warmup interacts with.
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Custom Warmup Templates

Warm up using your own content to improve real-world performance.
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Inbox Placement Tests

See exactly where your emails land across major email providers.

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Domain Health Center

Monitor DNS setup, blacklist status, warmup trends, and domain reputation in one place.
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Lead Finder

Discover high-quality B2B prospects from a massive global database and move them straight into campaigns.

700M+ B2B Leads

Access a global database of decision-makers and companies.
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Verified Contact Details

High-accuracy data built for cold outreach.
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Advanced Filters

Target leads by role, industry, company size, location, and more.
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One-Click Campaign Sync

Add leads directly to email campaigns without manual imports.

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Email Infrastructure

Skip the setup hassle — get email accounts built specifically for cold email outreach and scale faster.

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Pre-Configured Email Accounts

Gmail and Microsoft mailboxes ready for outreach.
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Automated Email Warmup

Warmup starts automatically to build sender reputation from day one.
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US-Based Dedicated IPs

Superior deliverability and reliable sending performance.
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Compatible With All Email Tools

Use the infrastructure with MailOptimal or your existing outreach stack.
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Email Finder & Email Verification

Ensure your campaigns only reach valid, high-quality inboxes — before you send a single email.

Accurate B2B Email Finder

Find work emails using names, domains, companies, or LinkedIn profiles.
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Advanced Email Verification

Detect risky addresses, including catch-all emails, before sending.
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Bounce Rate Below 1%

Protect your sender reputation with industry-leading data accuracy.
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Why wait? Book more meetings today!

Most MailOptimal users book 3-10 meetings per week. It’s your turn now!

What is MailOptimal?

MailOptimal is an all-in-one sales automation platform designed for cold email outreach. It combines deliverability tools, email warmup, campaigns, lead discovery, email verification, infrastructure, and inbox management — all in one place.

No. While MailOptimal started as a deliverability-focused product, it has evolved into a complete cold email automation platform. Along with unlimited email warmup, it offers email campaigns, lead and email finding, verification, inbox placement testing, and email infrastructure.

MailOptimal takes a deliverability-first approach. Unlike most tools, it includes unlimited warmup, inbox placement tests, domain health monitoring, email verification, lead sourcing, and even mailbox procurement — reducing the need for multiple tools.

Yes. Every new email account should be warmed up individually to build sender reputation. MailOptimal makes this easy by offering unlimited warmup on all plans, without charging per inbox.

Yes. MailOptimal allows you to run warmup and campaigns in parallel. Warmup helps improve long-term deliverability, while campaigns let you start outreach safely using sender rotation and smart limits.

Yes. MailOptimal includes a lead finder with access to a global B2B database of over 700 million profiles. You can search leads by role, industry, company size, location, and more.

No. MailOptimal offers cold outreach–ready Gmail and Microsoft mailboxes as part of its email infrastructure offering, saving you time and setup effort.

Absolutely. MailOptimal is built for lead generation agencies, SDR teams, and growing businesses. It supports multiple senders, unlimited warmup, bulk actions, and scalable campaign management.

Yes. You can start with a free trial to explore MailOptimal and test key features before upgrading to a paid plan.

Yes. You can upgrade, downgrade, or cancel your subscription at any time from your account settings.

We offer responsive customer support via chat and email, along with a comprehensive help center to guide you through setup, troubleshooting, and best practices.