MarbleSend is self-hosted email marketing software written in PHP 8.2 and MySQL. It sends campaigns, scheduled newsletters, and automatic emails for new blog posts. It runs on standard cPanel and shared hosting, is sold as a one-time license with no per-contact fees, has 21 interface languages and a built-in deliverability checker, and comes with a 14-day refund.
SELF-HOSTED EMAIL MARKETING · ONE-TIME LICENSE

Stop Renting Your Email List.

Send campaigns, schedule your newsletter, and email every new blog post automatically. MarbleSend installs once on the hosting you already pay for, with no per-contact fees. Your subscribers stay on your server.

Get MarbleSend for $59 See what you'd save ↓
verified 14-day refund guarantee check Pay once, no monthly fees dns Installs on standard shared hosting
MarbleSend dashboard showing sent emails, opens, active contacts, and the background worker status
The cost of renting

What is your list costing you?

At 10,000 contacts, a typical email service charges roughly $100 to $150 a month. That is $1,200 to $1,800 a year to email people who already signed up with you.

Monthly subscription

Typical email service

trending_up
Mailchimp Klaviyo Kit ActiveCampaign

You pay every month, based on how many contacts are in your account. Some services bill for unsubscribed contacts, too.

500 contacts ~$15 – $20 / mo
5,000 contacts ~$75 – $100 / mo
10,000 contacts ~$100 – $150 / mo
50,000 contacts ~$385+ / mo
Billing Per contact, every month

Each new subscriber raises the bill, and the bill repeats every month.

Self-hosted

MarbleSend

verified
✓ Your data, your server ✓ No per-contact fees ✓ Runs on shared hosting

You buy the license once. Keep 500 contacts or 50,000 on the same hosting plan; the software price stays the same.

500 contacts $0 more
5,000 contacts $0 more
10,000 contacts $0 more
50,000 contacts $0 more
MarbleSend license $59 once

Your running costs are hosting (about $3 to $10 a month) plus sending: $0 through your host's SMTP, or about $0.10 per 1,000 emails through your own Amazon SES account.

*Illustrative. Based on published prices of popular email services in October 2026 and typical shared-hosting plans. Your numbers will differ.

Try your own numbers

Illustrative estimate from typical published prices. Your provider may charge more or less.

Email service / mo

Your hosting / mo (est.)

Saved per year

shopping_cart Get MarbleSend for $59
Self-hosted, without the server work

Runs on the hosting you already pay for

No VPS, no Docker, no SSH. Most hosts that run modern WordPress can run MarbleSend.

Four steps from purchase to first send, usually 10 to 15 minutes

1

Make a database

Create an empty MySQL database in cPanel or hPanel.

database A few clicks in your panel
2

Upload install.php

Your license email links to the installer. Put it on your domain with File Manager or FTP.

bolt One file
3

Run the installer

Open it in your browser, enter your license key, and follow the setup steps.

verified Checks the release signature
4

Add one cron job

Paste the command the installer shows you. After that you can send.

speed One copy-paste command

What your hosting needs

  • check PHP 8.2 or newer
  • check MySQL 8.0+ or MariaDB 10.6+
  • check One cron job
  • check Outbound SMTP (your host's mail or Amazon SES)

Tested on Hostinger. Any standard LAMP host (cPanel, Plesk, DirectAdmin) that meets this list should work. No Node.js, Redis, or Docker involved.

menu_book

Want the whole walkthrough first?

The Install Guide covers cPanel and Hostinger, database setup, cron, and troubleshooting.

menu_book Read the Install Guide
What it does

What MarbleSend does for you

backup_table

Sends survive a crash

The queue lives in your database. If the server restarts mid-send, the worker picks up where it stopped.

speed

Stays inside your host's limits

A cron-driven worker sends at a pace your host's SMTP allows, so your account is less likely to get flagged.

verified

Checks your DNS for you

The Deliverability Checker reads your SPF, DKIM, and DMARC records and gives you the exact fixes to copy. It can't promise inbox placement, but it clears up the usual setup mistakes.

lock

Locks down the admin

Two-factor login with a QR code made on your own server, Cloudflare Turnstile on signup forms, login lockout with email alerts, and tracking links signed with HMAC-SHA256.

bolt

Writes first drafts

Add your own AI key (OpenAI, Anthropic, DeepSeek and others) at no markup, or use built-in AI credits. You start with 10 free.

language

Speaks 21 languages

The interface comes in 21 languages, including right-to-left Arabic.

trending_up

Turns articles into a newsletter

Write in the Markdown editor and let a schedule send each article once, never twice, and nothing when there is nothing new. Email only; there is no public archive.

database

Groups your contacts

Put contacts into groups (one contact can be in several) and send to exactly that group. Groups are lists you build, not auto-updating segments.

dns

Grows from WordPress

The official plugin adds signup forms and connects WPForms, Forminator, Fluent Forms, Formidable Forms, and Contact Form 7. New signups land in your default group.

Also included: bounce handling and suppression, double opt-in with a consent log, a pre-flight checklist before every send, a REST API, and outbound webhooks.

bolt If your host caps sending

Host limits your daily emails? Turn on the managed Amazon SES relay.

That cap comes from your host and applies to every app on it. In Settings you can connect another SMTP provider, or switch on the managed relay. Friendly From needs no DNS changes. A custom sender domain needs 3 CNAME records, which you verify in one click. You get 20 free sends to try it, and more come in prepaid packs.

Option 1 Friendly From (no DNS)
Option 2 Custom domain (3 CNAMEs)
Starter 20 free sends
More in the FAQ →

From the app

Deliverability check showing SPF, DKIM, and DMARC results with Easy DKIM CNAME records
Deliverability check
Campaign report with delivery numbers and an hourly engagement curve
Campaign report
Campaign editor with the AI copywriting assistant and subject line scorer
AI copywriting and subject scoring

How MarbleSend compares

How you pay

Email services (Mailchimp, Brevo)
Monthly, by contact count
Other self-hosted (Mautic, Sendy)
Free or one-time
MarbleSend
One-time license

Where your data lives

Email services (Mailchimp, Brevo)
The vendor's servers
Other self-hosted (Mautic, Sendy)
Your server
MarbleSend
Your server

Runs on shared hosting

Email services (Mailchimp, Brevo)
Not applicable (cloud)
Other self-hosted (Mautic, Sendy)
Varies (Mautic needs a VPS)
MarbleSend
Yes

Built-in AI copywriting

Email services (Mailchimp, Brevo)
Paid tier or add-on
Other self-hosted (Mautic, Sendy)
Usually no
MarbleSend
Yes: your key or built-in credits

Interface languages

Email services (Mailchimp, Brevo)
A handful
Other self-hosted (Mautic, Sendy)
Varies by project
MarbleSend
21

A general summary of how these products are usually sold and run. Check each vendor for current details.

One payment

What you get for $59

Every license includes the whole product. No feature is held back for a higher tier.

In the Regular license

  • check_circle The complete MarbleSend source code (PHP), yours to run on your own hosting
  • check_circle An installer that downloads and verifies the signed release for you
  • check_circle 1 domain, 2 SMTP profiles, and 1 managed Amazon SES relay slot
  • check_circle 20 free relay sends and 10 free AI credits to start
  • check_circle WordPress plugin with 5 form-plugin integrations, a REST API, and webhooks
  • check_circle Interface in 21 languages, including right-to-left Arabic
  • check_circle 1 year of updates and support (Extended: 2 years)
  • check_circle Install Guide and documentation, free to read before you buy

For comparison, a 10,000-contact list on a typical email service costs roughly $1,200 to $1,800 a year (illustrative).

verified

14-day refund guarantee 14 days

Install it on your own hosting. If it won't run, or it just isn't for you, ask for a refund within 14 days and you get 100% back, tax included. Your database and your CSV exports stay yours.

A person reviews every request. You get the answer by email, with a reason if we can't approve it.

Read the Refund Policy →

Pick your license

1 domain

Regular

For one business, blog, or brand.

$59 once
  • check_circle Runs on 1 domain, permanently
  • check_circle 2 SMTP profile slots and 1 Amazon SES relay slot
  • check_circle 20 free relay sends and 10 free AI credits
  • check_circle 1 year of updates and support

verified 14-day refund

Best for several sites
5 domains

Extended

For anyone running several sites, or sites for clients.

$199 once

  • check_circle Runs on 5 domains, permanently
  • check_circle 10 SMTP profile slots and 5 Amazon SES relay slots
  • check_circle Everything in Regular
  • check_circle 2 years of updates and support

verified 14-day refund

Add capacity

Extra Domain

Add one domain to a license you already own.

$39 per domain, once
  • check_circle +1 domain
  • check_circle +1 SMTP profile slot and +1 Amazon SES relay slot
  • check_circle Matches the update period of your base license

verified 14-day refund

Moving to a new domain? Activating it releases your oldest domain automatically.

Look before you buy

menu_book Install Guide dns Documentation speed Release notes verified Refund Policy

Optional extras

Bring your own SMTP server and AI key and you never need these. They add convenience and capacity.

tune Slots (one-time)
Additional BYO SMTP slot
+1 SMTP sending profile on your license
$10
Additional SES domain slot
+1 verified sender domain on the managed relay
$25
bolt Relay and AI credits (prepaid)
Managed Amazon SES relay
Sending without running your own SES account
10k: $5 · 50k: $20
100k: $35 · 250k: $75
MarbleSend AI credits
AI copywriting in the app, no API key needed
100: $5 · 500: $20
1,500: $50

Questions before you buy

What will this cost me in total? expand_more
The license is a one-time payment, with 1 year of updates and support (Extended: 2 years). Your running costs are hosting, about $3 to $10 a month and probably what you already pay, plus sending. Sending through your host's SMTP is $0, through your own Amazon SES account is about $0.10 per 1,000 emails, and through our managed relay is a prepaid pack starting at $5 for 10,000. AI is optional: use your own key at no markup, or buy credits. There is no per-contact fee.
I'm not technical. Can I install this myself? expand_more
If you've installed WordPress, yes. You create an empty database, upload one file (install.php), open it in your browser, and enter your license key. The installer downloads the signed release and walks you through setup, then shows the one cron command to paste. The Install Guide has step-by-step instructions for cPanel and Hostinger.
What if it doesn't work on my hosting, or I change my mind? expand_more
Ask for a refund within 14 days of purchase. You can use Settings > License inside MarbleSend, email hello@marblesend.com, or use the link in your receipt. You get 100% back, tax included. A person reviews each request and replies by email, with a reason if we can't approve it. A refund deactivates the license, and your database and CSV exports stay yours.
My host limits how many emails I can send per day. Is MarbleSend still useful? expand_more
Yes. That limit comes from your host's mail server and applies to every app on it. In Settings you can connect another SMTP provider (Amazon SES, Postmark, Mailgun, and others) or switch on the managed Amazon SES relay. Friendly From needs no DNS changes; a custom sender domain needs 3 CNAME records. You don't reinstall or migrate. Limits differ from host to host, so check your plan before a big send.
Will my emails land in spam? expand_more
Nobody can promise inbox placement, and we won't. The Deliverability Checker reads your SPF, DKIM, and DMARC records and gives you the exact fixes. Double opt-in keeps your list clean, and bounce handling suppresses addresses that stop working. Those cover the usual causes of spam-folder trouble.
Is it safe to run email marketing on shared hosting? expand_more
Admin login supports two-factor authentication (TOTP), with the setup QR code generated on your own server. Cloudflare Turnstile guards public signup forms, repeated failed logins trigger a lockout and an email alert, and unsubscribe and tracking links are signed with HMAC-SHA256 so they can't be altered. Your contacts and sending history stay on your server.
I use Mailchimp today. Is moving a big project? expand_more
No. Export your contacts as one CSV, import it into MarbleSend, and send your next campaign from there. You can move in stages.
What happens to queued emails if my server goes down? expand_more
They stay in the queue. The queue lives in your database, so when the server comes back, the worker resumes where it stopped, including anything stuck mid-send.
Can I run a Substack-style newsletter? expand_more
For the core of it, yes. Write an article in the Markdown editor, mark it Ready, and a newsletter schedule sends it to the audience you pick, once per article, oldest first. Your writing and your list stay on your server. It is not a publishing platform: there is no public page or archive per article, no comments, no recommendation network, and no paid subscriptions.
What happens after the update period ends? expand_more
The version you have keeps working on your domain, with no expiry. Updates and support are included for 1 year (Extended: 2 years). After that, newer releases and support are no longer included. We don't promise a specific response time. You can extend the update period for 1 or 2 more years with a one-time payment from inside the app.

Own your list.
$59, once.

Install it on your hosting, import your contacts, and send. If it isn't right for you, you have 14 days to get your money back.

Get MarbleSend for $59 Read the Install Guide
verified 14-day refund guarantee lock Your data stays on your server check No monthly fees