Email Outreach & AI
Cold email that sounds like you wrote it
Describe your offer once. MailOptimal's AI drafts a full multi-step sequence, personalizes every send with real prospect details, and rotates across all your mailboxes, so outreach reads one-to-one and scales without burning domains.
ATSNDM
Loved by 10,000+ outbound teams · 4.8/5 rating
Sequence builder
Campaign brief
We help B2B SaaS teams land in the primary inbox. Target VP Sales at 50–500-person companies. Friendly, short, 3 steps.
Generate sequence
AI will write
A 3-step sequence
Subject lines + follow-ups
Personalized for every lead
1
Intro
Day 0
2
Follow-up
Day 3
3
Break-up
Day 7
Hi {{first_name}},
Saw {{company}} just opened two SDR roles, congrats. Teams scaling that fast usually fight spam folders before the first reply lands.
Saw {{company}} just opened two SDR roles, congrats. Teams scaling that fast usually fight spam folders before the first reply lands.
Variables in use
first_namecompanyrecent_event{Saw|Noticed}
Sent today
1,840
Open
61%
Replies
9.2%
Sender rotation · 12 mailboxesBalanced
sarah@outreach.getacme.com38 / 50
sarah@mail.tryacme.co41 / 50
team@outreach.getacme.com39 / 50
team@mail.tryacme.co35 / 50
What you get
Everything you need to run sequences
Click any part of the toolkit to see it in action, from first draft to the reply.
Sequence builder
1
Intro
Day 0
2
Follow-up
Day 3
3
Break-up
Day 7
Personalization
Hi {{first_name}},
Congrats on {{recent_event}}. {Saw|Noticed} {{company}} is scaling fast, most teams hit deliverability walls right about now.
Congrats on {{recent_event}}. {Saw|Noticed} {{company}} is scaling fast, most teams hit deliverability walls right about now.
Merge variablesUnique per send
first_namecompanyrecent_eventjob_titlecity
Spintax preview
{Saw | Noticed | Spotted} that {{company}} is hiring → 3 unique variants rotated automatically.
A/B test results
Variant A · "Quick idea for {{company}}"74%
Open 58% · Reply 7.4% · Winner
Variant B · "A faster way to book demos"51%
Open 49% · Reply 5.1%
Auto-promoting Variant A to 100% of remaining sends.
Sender rotation
Mailboxes
12
Sent today
1,840
Per inbox
<50
Sender rotation · 12 mailboxesBalanced
sarah@outreach.getacme.com38 / 50
sarah@mail.tryacme.co41 / 50
team@outreach.getacme.com39 / 50
team@mail.tryacme.co35 / 50
No single inbox sends too much, too fast, domains stay healthy.
Schedule
Send window9am–5pm local
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Rules
Sends in each prospect local hours
Human-like delays between emails
Daily caps per mailbox respected
Auto-pause
Intro sent
Day 0
II
Follow-up
Paused
3
Break-up
Skipped
Yes, let us talk. Does Thursday work?
Routed to Unibox
SKSarah Kim · NorthbeamInterested
Reply detected, follow-ups stopped, thread sent to your Unibox.
FAQ
Frequently asked questions
Will my emails actually land in the inbox?
That's the whole point of MailOptimal. Sequences ride on top of built-in warmup, sender rotation and placement testing, so your sends reach the primary inbox instead of spam or promotions.
How many mailboxes can I send from?
As many as your plan allows you to connect, and sends rotate across all of them automatically to protect each domain's reputation.
Can I edit what the AI writes?
Always. The AI gives you a strong first draft of the full sequence; you can rewrite any step, adjust tone and length, or save it as a reusable template.
Does it support follow-ups and conditions?
Yes, build multi-step sequences with delays, and follow-ups automatically pause the moment a prospect replies.
InfraOptimal
Send from an IP nobody else touches
InfraOptimal is our own sending platform, built for cold outreach. Every mailbox gets a dedicated IP, DNS is written for you, and warmup starts on day one. 100 mailboxes run about $100 a month instead of $400 on Google or Microsoft.
| 100 mailboxes a month | Cost |
| InfraOptimal, dedicated IP | $100 / mo |
| Google Workspace, shared IP | $400 / mo |
| Microsoft 365, shared IP | $400 / mo |
Dedicated IPs only · 10 mailbox minimum · SMTP and IMAP included
Start in minutes
Write your first sequence in 60 seconds
Free 14-day trial on every plan, no credit card to start.