A MailCore platform · built in-house

Protosender — bulk email software on your own server

Your own email sending service instead of renting one: the list is stored with you, sending has no limits and no monthly fees. Inside — AI email generation, ready-made sending strategies, native PowerMTA integration and honest SMTP warm-up.

Protosender 8 video overview4 minutes — what the platform can do
On-premise: installs on your server Lifetime license — no subscription Unlimited sending to your own list AI content and strategies inside PowerMTA and any SMTP
Protosender 8 PRO = the sending engine + 4 modules: 01AI Core System 02AI Strategies 03PMTA integration 04SMTP warm-up How it all connects
Your own software instead of a service

Why pay an email service when the whole system can be yours?

Paying a service to email your own list is a paradox: you collected the contacts, yet you rent access to them every month. Self-hosted bulk email software works differently: install it on your server once — and run mass campaigns with no meters, no moderation and no one else’s rules.

Protosender message analytics: deliverability, opens, clicks and top links

Pay once

A lifetime license instead of a subscription that grows with your list. Emailing your customers stops being a monthly expense — only your server remains.

The list stays with you

Contacts live in your database, not on a service’s servers. No one can ban your account, study your customers, or hold the list hostage when you move.

No limits

Your sending volume is limited only by your infrastructure. Ten thousand or ten million emails — same software, no surcharges.

A detailed owned-vs-rented comparison — on the homepage, with a savings calculator

Module 01 · AI Core System

Your campaign content is written by AI — right in the panel

Six AI tools cover the whole job of writing emails: offer analysis, ready funnels, single emails and series, spam checks and spintax uniqueness. You don’t need to be a copywriter or a marketer — the software does that work itself.

💳 Nothing to configure: AI works out of the box, and you pay only for generated content — with credits
Offer Intelligence + Funnel Builder

AI dissects your offer — and assembles a ready email funnel

Offer Intelligence analyzes your offer and landing page like a seasoned marketer: audience, pains, objections, conversion weak spots. Funnel Builder turns that analysis into a selling sequence — with subjects, preheaders, and the role and timing of every email.

  • A ready email series from a single offer — in minutes, not days
  • Every email targets a specific pain and objection — not the void
  • Offer weak spots are visible before launch — you can strengthen them in advance
  • The output — subjects, copy, CTAs, timing: edit and launch
Deliverability Check + Spin Engine

Spam checks before sending and spintax for every email

Deliverability Check finds risky words, problematic phrasing and structural mistakes before the campaign goes out — and suggests a safe rewrite. Spin Engine generates subject and body variations: every recipient sees their own email, and spam filters never see a template.

  • You don’t burn a domain on “trial” sends — risks are visible upfront
  • A concrete list of filter triggers + a ready safe variant
  • Spintax uniqueness — fewer template-pattern hits
  • Steadier sending-domain reputation and higher inbox rates
Email Writer + Content Factory

Emails one at a time — or in whole series, from different angles

Email Writer writes an email for the task at hand: subject, preheader, body, CTA. Content Factory produces series in batches and unfolds one offer from different sides — benefit, pain, deadline, a customer story or social proof. Different framings hook different people.

  • A whole series in one run — not one email at a time by hand
  • One offer — five angles: higher response across the whole list
  • The list doesn’t burn out on same-looking emails — every touch feels fresh
  • AI itself suggests new ways to spin the offer
Module 02 · AI Strategies

Not just a campaign — a strategy that runs itself

Ordinary mailing software sends head-on: one email, one SMTP — until the domain burns out. Protosender sends by strategy: AI assembles a plan for your goal, and the engine adapts it on the fly.

Adaptive strategies

Is the email or the SMTP burning? The engine swaps it by itself

An adaptive strategy is a living system of an email pool and an SMTP pool. The engine watches spam reaction per mailbox provider every hour: as soon as content or a server starts burning, it goes to reserve and a fresh one takes its place — sending never stops.

  • The classifier understands what exactly is spamming — the email, the domain or the SMTP — and replaces only the failing link
  • Rotation per provider: if Gmail burns — the swap happens for Gmail only, the rest keep going
  • A reserve pool is always ready — sending doesn’t stall when something burns out
  • Domains and servers live longer — deliverability holds without manual babysitting

Ready-made strategies for the task

Pick a goal, answer a short questionnaire — AI assembles the email sequence, roles and timing. The whole logic is visible in the visual builder before launch: use as is, or refine.

Topic segmentation

Four jobs in one launch: the campaign tests topics and, based on reactions, cleans dead addresses from the list, finds live mailboxes, splits the audience by interests and builds a funnel per segment.

list cleaninglive mailboxesinterest segmentsa funnel per segment

Offer sale

Instead of one “buy now” email — a complete selling series: introducing the problem, value, objection handling, social proof and a deadline push. Every email leads to the purchase.

warm-up→closeemail rolesspam-safe timingpost-sale upsells

Subscriber nurturing

It’s too early to sell to cold, one-off contacts — first teach them to open your emails. The series introduces you, delivers value, reactivates the dormant and turns the list into a warm core for future sales.

welcome seriesreactivationengagement growtha warm list core

Telegram channel growth

The email series leads subscribers to your Telegram: a bot tracks who reached the channel — those who joined leave the flow, the rest get gentle reminders. Your audience is duplicated into a channel with no spam filters.

email → Telegrambot-tracked joinsno extra toucheschannel diversification
Module 03 · PMTA integration

PowerMTA — no console, no hand-written configs

PowerMTA is the professional engine of bulk email — but setting it up usually means SSH, config files and a specialist on call. The integration module covers the whole cycle from the Protosender panel: from the first server connection to production sending.

  • Connect a PMTA server in a few steps — no manual console fiddling
  • DNS and tracking domains are prepared right from the panel
  • Config generation — separate profiles for warm-up and production
  • vMTA rules and sending parameters — without editing files on the server
  • Real-time monitoring: deliverability, queues, bounces

Don’t have PowerMTA yet? We’ll deploy a PMTA server turnkey →

Module 04 · SMTP warm-up

Warm-up that works in 2026 — no fake engagement

Faking “engagement signals” — bogus opens and clicks — no longer fools mailbox providers; more often it hurts. The module builds reputation on the only strategy providers accept: a gradual, real volume ramp-up on top of PMTA, checking provider reactions at every step.

  • Day-by-day ramps: volume grows exactly as fast as mailbox providers accept it
  • A pool of real messages and real delivery — reputation is earned honestly and it lasts
  • Metric-driven decisions, not gut feeling: warm-up is steered by provider reactions
  • Daily health monitoring and auto-swap of messages at the first signs of spam

Why it matters: without warm-up, even legitimate email from a new IP goes to spam. Warm-up is not an option but a precondition of deliverability — which is why it’s built into the platform, not sold separately.

Solution architecture

How professional bulk email is put together

Protosender is the control center, PowerMTA is the sending engine, and the warm-up module plus the adaptive AI engine guard your reputation. One closed loop: from your list to the Inbox folder.

YOUR SERVER · PROTOSENDER 8 PRO List & segments contacts · statuses · interests — in your DB AI Core System emails · funnels · spintax · spam checks AI Strategies · adaptive engine series plan · content pools · auto-rotation Campaigns & queue schedule · speed · priorities SENDING · MTA LAYER PMTA integration module configs · vMTA · DNS · monitoring PowerMTA the bulk sending engine · per-provider policies alternative: MailerQ or any SMTP relay IP address pools Production pool — warmed up, full volume New pool — warming up on a ramp Reserve — kicks in on a dip SMTP warm-up module daily ramps · a pool of real emails · health control auto-swap at the first signs of spam DELIVERY · PROVIDERS Mailbox providers Gmail Outlook Yahoo Mail.ru · Yandex Recipient’s inbox the Inbox folder — the goal of the whole loop Reactions & metrics opens · clicks · bounces · FBL complaints · spam % Feedback: the classifier dissects spam signals and the adaptive engine swaps the email, domain or SMTP itself — the loop is closed
← scroll the diagram →
main email flow red border — key links dashed — warm-up and feedback the goal — inbox

Every link is yours. The server, list, MTA, IPs and domains belong to you, not to an email service.

The loop is closed. Provider reactions feed back into the engine: reputation is monitored and healed automatically.

Scale without moving. Need more volume — add a server or an IP pool. Same platform, same processes.

An honest comparison

Interspire, Protosender or Mumara — which to choose?

We install, bundle and support all three systems. Each has its own strength — choose for the task, not for the ads.

You are on this page · the flagship

Protosender

a modern engine with an AI autopilot
Approachstrategy-driven sending that adapts itself
Interfacemodern: dashboards, analytics, builders
Volumeshigh + adaptive deliverability rotation
AI content✓ built in natively
AutopilotAI strategies and adaptive campaigns — the strongest side
PowerMTAa native integration module + SMTP warm-up module
Who forthose who want automation, warm-up and maximum deliverability
The volume classic

Interspire

the classic: simple and enduring
Approachtime-tested self-hosted classic
Interfaceas simple as it gets — anyone masters it, RU/EN
Volumesvery high — multithread + PowerMTA
AI content✓ 6 MailCore modules — included
Autopilotclassic manual campaign management
PowerMTAMaborak Multiple MTA — optimized for PMTA
Who forthose who need a simple, reliable machine for big volumes
Enterprise

Mumara

the platform for complex projects
Approacha multifunctional enterprise platform
Interfacerich functionality — takes some learning
Volumesvery high, multi-server sending
AI content✓ the MailCore AI layer — included
Autopilottrigger sequences and automations
PowerMTAworks with PowerMTA and MailerQ
Who foragencies and high-load projects with API integrations

In short: if you want an AI autopilot, adaptive strategies and maximum deliverability — you’re already on the right page: Protosender. Need the simplest, toughest classic for very high volumes — Interspire. A multi-server enterprise with an API — Mumara. Not sure — write to us, we’ll match one to your task.

Who it’s for

Who needs their own bulk email software

Protosender is chosen by those who send regularly to a large list — where renting a service turns into a permanent tax, and an account ban stops the business.

Info-business & online schools

Launches, warm-up series, course sales. AI builds the funnel from your offer, follow-ups run on autopilot — the list stays warm between launches.

launchesnurturingfollow-ups

E-commerce & services

Promotions, abandoned carts, reactivation. Emailing customers stops costing money per contact — you send as much as the business needs.

promostriggersreactivation

Agencies & senders

Many projects, domains and lists. SMTP and IP pools, adaptive rotation and reputation monitoring — volumes grow without juggling servers by hand.

multi-projectpoolsvolume

SaaS & products

Onboarding, product digests and marketing campaigns in one loop, on your own infrastructure — user data never leaves for third parties.

onboardingdigestsprivacy
License

One price — the whole platform

No plans, no per-subscriber charges, no “features of the higher tier”. The full Protosender 8 PRO bundle with all four modules — one price, forever.

Protosender 8 PRO · the full bundle
250USDT

one-time payment · lifetime license · no subscription

  • The bulk sending engine — campaigns, segments, autoresponders, analytics
  • The AI Core System module — emails, funnels, spintax, spam checks
  • The AI Strategies module — adaptive and goal-driven sending strategies
  • The PMTA integration module — PowerMTA from the panel
  • The SMTP warm-up module — ramps, health control, auto-swap
  • Installation on your server — we’ll send the requirements after your request

Payment in USDT via the secure KendaliCRM checkout page. Have a previous Protosender version? Write to us — an upgrade price applies.

🎁 MailCore bonus 10,000 credits for AI generation — free

Worth 100 USDT. Credited to your AI balance when you buy through this site — enough for dozens of emails, funnels and strategies.

24:00:00
the bonus is reserved for you
until the timer ends

Your personal bonus window has expired. Write to us — we’ll share the current terms and promos.

Need it turnkey?

Server, PowerMTA, domains, DNS and warm-up — we’ll deploy the whole infrastructure and train your team. More about the service →

FAQ

Questions about Protosender and owned email sending

Didn’t find your answer — write to us, we reply fast.

Why is owned software better than an email sending service?
Email services bill you for your own list: the more contacts, the higher the monthly invoice — plus moderation and ban risk. Owned software runs on your server: you pay once, the list stays with you, volumes are limited only by infrastructure. On large lists the difference is thousands of dollars a year.
What are the server requirements?
A regular VPS or dedicated server with PHP and MySQL — nothing exotic. We’ll send exact requirements for your volumes after your request. Don’t want to deal with the server yourself — we’ll deploy everything turnkey: from renting the machine to production sending.
How many emails a day can I send?
The software itself has no limits — bulk email scales with your infrastructure: the number of IPs, domains and the MTA’s power. One thing matters: new IPs and domains must be warmed up, and the warm-up module runs that process on ramps automatically — from the first dozens of emails to production volumes.
Does Protosender work without PowerMTA?
Yes. You can send through any SMTP — your own postfix, MailerQ or external gateways. PowerMTA unlocks the maximum: IP pools, vMTA rules, warm-up and production configs, queue monitoring — all managed from the panel via the integration module.
What are AI credits and what do they cost?
Credits are the balance for AI generation: emails, funnels, strategies, spam checks. Nothing to configure, AI works out of the box, and you pay only for what you actually generate. As a guide: 10,000 credits equal 100 USDT — enough for dozens of full email series.
Will you help me migrate from another service or platform?
Yes. We import lists with segments and subscription statuses from Mailchimp, Brevo, SendPulse, Interspire, MailWizz and other systems, help move templates and set up a smooth transition so deliverability doesn’t dip during the move.
What does the license include, and what about updates?
For 250 USDT you get the full bundle: the sending engine and all four modules — AI Core System, AI Strategies, PMTA integration and SMTP warm-up. The license is lifetime, tied to your server, and Protosender 8 line updates are included.