From leads to replies,
cold email done right
Send from mailboxes on your own dedicated IP, find verified leads and phone numbers, run AI-personalized sequences and close every reply from one inbox. The whole outbound stack, including the infrastructure.
100 mailboxes on your own IPs
Sending IPs reserved for your workspace. SPF, DKIM, DMARC, MX and reverse DNS written for you, warmup running from day one.
Deliverability over 14 daysSpamInbox
Filters
| Name | Title | |
|---|---|---|
SC Sarah Chen Acme Corp | VP of Sales | Verified |
MR Marco Rossi Lattice | VP Marketing | Verified |
DL David Lee Northbeam | Head of Growth | Verified |
AJ Aisha Johnson RevScale | Director, Sales | Verified |
TP Tom Park Hightide | RevOps Lead | Verified |
Saw {{company}} just opened two SDR roles, congrats. Teams scaling that fast usually fight spam folders before the first reply lands. We fix the deliverability part so your sequences get seen
Trusted by 10,000+ businesses, agencies and sales teams
Cold email shouldn't take a PhD in DNS and a three-week wait. MailOptimal rolls infrastructure, warmup, sending and deliverability into one platform. Spin up InfraOptimal mailboxes on a dedicated IP and launch this afternoon.
There's a much easier wayWhat if it takes hours, not 30 days?
Dedicated-IP mailboxes, ready to send
InfraOptimal is our own sending platform. Buy domains, get mailboxes on IPs reserved for your workspace, and have SPF, DKIM and DMARC written for you in minutes. From $1.00 a mailbox, or connect Google and Microsoft accounts you already run.
Explore InfraOptimalEvery B2B buyer, already verified
700M+ contacts across 42M+ companies with 25+ filters and buying signals. Filter by title, industry, revenue and tech stack, and every email is verified before it ever enters a campaign.
Learn moreOne prompt, a full sequence
Describe your offer once. AI writes a multi-step sequence, personalizes every send with real prospect details, and sends the right follow-ups, automatically pausing the moment someone replies.
Learn moreHit the inbox, not spam
Warmup runs automatically in the background. Domain health, DKIM/DMARC checks and inbox-placement testing run continuously, so you always know exactly where your emails land.
Learn moreOne inbox, one pipeline
Every reply from every account in one place. A built-in pipeline lets you tag, log notes and move deals forward, close from the prospect's card without ever leaving MailOptimal.
Learn moreTwo things that change the maths
Cheaper mailboxes on an IP you own, and phone numbers on the leads you already find.
InfraOptimal: dedicated IP mailboxes from $1.00
Our own sending platform, built for cold outreach instead of office email. Every mailbox gets an IP reserved for your workspace, DNS writes itself, and 100 mailboxes cost about $100 a month rather than $400.
- Dedicated IPs only, never a shared pool
- Under half the price of a Workspace seat
- Portable SMTP and IMAP, minimum 10 slots
Phone numbers, and cheaper credits
Lead Finder now returns mobiles and direct dials alongside verified emails, and the whole credit system got cheaper. One balance starts at $29 a month for 2,000 credits.
- 200M+ mobiles and 120M+ direct dials
- 10 credits a number, charged only on a hit
- One balance across leads, emails and phones
Built for how you sell
Solo founder or 100-person sales floor, MailOptimal adapts to how you work.
Sales teams & SDRs
Run high-volume sequences across unlimited mailboxes. AI writes the copy, the Unibox manages every reply, and the pipeline keeps deals moving.
Multichannel-ready sequencesLead-gen agencies
Manage unlimited clients from one dashboard. White-label everything, with dedicated sending infrastructure per client, no extra fees.
Unlimited clients includedFounders & solopreneurs
Find leads, reach them, and close deals from one platform. No team of ten required, and nothing to stitch together yourself.
All-in-one platformRecruiters
Source candidates at scale with personalized sequences and verified contact data. Fill roles faster without burning your domain.
700M+ contact databaseWhy 10,000+ businesses switched
Don't take our word for it, here's what teams say after switching to MailOptimal.
"We replaced three tools with MailOptimal, cold email, warmup and our lead database. Inbox placement jumped to 98% and replies doubled in the first month."
"Managing cold email for a dozen clients used to be chaos. Workspaces and the shared Unibox save our team hours every week."
"The warmup and placement testing are the real difference. Our emails finally land in the primary tab instead of promotions."
Got questions? We've got answers
How does MailOptimal help me book more meetings?
How fast can I get started?
Do I need to be technical?
Stop stitching tools. Start closing.
Find leads, send from dedicated-IP mailboxes, automate sequences and close deals, all from one platform. Free for 14 days.
No credit card · 14-day free trial · Join 10,000+ teams