Mailu Hosting Live In 5 Minutes

Deploy Mailu hosting and run mail for your own domain on your own server. xCloud runs Mailu 2024.06.61 as a pinned multi-container stack with SMTP, IMAP, Roundcube webmail, the admin console and the Rspamd spam filter, creates the first administrator with a generated password, keeps mail and DKIM keys on persistent volumes and publishes the web interfaces over HTTPS.

Deploy your Mailu

No terminal
No technical skills needed
No lock-in, cancel anytime

What is Mailu?

Mailu is a simple yet full-featured mail server as a set of Docker images. Its upstream README says it aims to give people an easily set up, easily maintained and full-featured mail server without shipping proprietary software or unrelated features.

Main features include IMAP and SMTP with submission, webmail and an administration interface, aliases and domain aliases, antispam with auto-learn and greylisting, and outgoing DKIM. All components are free software and compatible with the MIT license.

From Sign-Up to a Live Mail Server In Just 3 Easy Steps

A Mailu install normally means eight containers, a certificate for the mail hostname, an administrator bootstrap, persistent volumes and the right published ports before the first mailbox can exist. This is the same result without assembling any of it.

Step 01
Sign Up
Create your xCloud account and pick Mailu from the OneClick catalog. Choose your domain and server, point that hostname at the server as a DNS-only record, and enter your Mail Domain. The administrator name defaults to admin and the password is generated if you leave it empty.
Step 02
We Deploy It For You
One click. We bring up the pinned Mailu stack (front, admin, imap, smtp, antispam, webmail, redis and a resolver), mount the eight mailu_ volumes, publish TCP 25, 465, 587 and 993, request a Let's Encrypt certificate for the hostname and serve the admin console and webmail over HTTPS.
Step 03
Sign In And Create Mailboxes
Allow about 3 to 6 minutes for the first start and certificate issue. Open the HTTPS URL at /admin or /webmail, sign in with the generated administrator login, create your mailboxes, then add the MX, SPF, DKIM and DMARC records for the mail domain.

Everything Mailu Does, On Your Own Server

Mailu runs in full here: a complete mail stack with its web interfaces, on a domain and a server you control.

SMTP, IMAP And Submission
Host email for your own domain on the standard mail ports, with auto-configuration profiles for clients.
Admin Console
Manage domains, mailboxes and aliases from the Mailu admin console at /admin.
Roundcube Webmail
Read and send mail in the built-in Roundcube webmail at /webmail; setting WEBMAIL to snappymail switches the client.
Spam Filtering
Antispam with auto-learn, greylisting, DMARC and SPF checks, handled by the bundled Rspamd component.
DKIM And TLS
Outgoing DKIM signing and a Let's Encrypt certificate for the hostname, with the signing keys kept on their own volume.
Aliases And Delegation
Upstream lists aliases, domain aliases, auto-reply, auto-forward, quotas and per-domain delegation for admins.

Everything You Need To Run Your Own Mail 24/7

Managed hosting for Mailu, so the parts that keep it online are not your problem.

Mailu 2024.06.61 deployed instantly
Webmail and admin console included
Administrator password generated
Eight persistent volumes
Free SSL certificate
Server backups and snapshots
Server security updates included
30+ server locations
Unused balance refunded

What You Can Do With Mailu

Host email for your own domain
Create mailboxes at your domain and run SMTP, IMAP and webmail on a server you control.
Manage domains and users centrally
Add domains, mailboxes and aliases from one admin console instead of editing configuration files.
Filter spam without a separate service
Use the antispam and DKIM signing that ship in the same stack.
Keep mail out of a vendor's cloud
Store mailboxes, DKIM keys and the outgoing queue on volumes you can back up yourself.

Mailu Screenshots

Mailu admin console user list showing created mailboxes

Mailu Roundcube webmail showing a sent message

Mailu vs Alternatives

Google Workspace: A hosted mail and collaboration suite on the vendor's cloud; Mailu keeps mailboxes on your own server and covers mail only.
Roundcube: A webmail client only. Mailu includes Roundcube together with the SMTP and IMAP servers it connects to.
Microsoft 365: A hosted suite with mail alongside office apps; Mailu is a self-hosted mail stack without bundled groupware.

Simple Pricing. Everything Included.

Dedicated Cloud VPS sizes, pre-configured for Mailu hosting. Pick the one that fits, and resize any time.

Cloud VPS 6 GB

Cloud VPS 16 GB

More room for mail storage and larger mailbox counts.

$59.99per month

16 GB RAM
6 vCPU cores
200 GB NVMe SSD
30 TB
Unlimited

Get started

Every size is a dedicated Cloud VPS we provision, patch, monitor and restore. Billed monthly with no lock-in — delete the server and the unused balance comes back to your account. Mailu itself is licensed by its maintainers under MIT.

Docker hosting

Already Have a Server? Bring Your Own

Connect any VPS — DigitalOcean, Vultr, Linode, AWS, Hetzner or bare metal — and deploy Mailu on it through the same panel, for a per-server management fee instead of a Cloud VPS rental.

Free

Start your journey without cost.

$0forever

1 server
10 sites

Start free

Starter

Professional

The same platform, discounted at 6–10 servers.

$4per server / month

6–10 servers
Unlimited sites
All features included
Bring any VPS provider

Get started

Agency

The same platform, discounted at 11+ servers.

$3per server / month

11+ servers
Unlimited sites
All features included
Bring any VPS provider

Get started

Priced per connected server, so your rate adjusts automatically as you add or remove servers. You pay your own provider for the server itself.

Self-managed hosting

Ready To Run Your Own Mail Server?

Mailu on xCloud runs on a dedicated Cloud VPS that we provision, patch, monitor and restore. Deploy faster. Own the server. Stay in control.

Fast Provisioning
Deploy faster using an xCloud Managed Server built with optimized stacks and high-speed SSDs.
Enterprise-grade security
Protect your infrastructure with a free SSL certificate and more advanced security features at no additional cost.
Intuitive Control Panel
From Server creation to application deployment, everything can be managed from our intuitive control panel.

Hear what people are saying about us

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Frequently Asked Questions

Feel free to contact us with any questions or concerns you may have.

Does Mailu include webmail?

Yes. Roundcube webmail is included and served at /webmail. Setting WEBMAIL to snappymail switches the client.

How do I sign in for the first time?

Use the administrator login and generated password from the credentials page at /admin or /webmail, then change the password inside Mailu. The environment value only creates the account the first time and does not rotate it.

Does it need extra services alongside it?

No. The template runs its own DNS resolver, spam filter, Redis and mail services in the same install.

Can I use a Cloudflare-proxied hostname?

Not for mail clients. The hostname must resolve straight to the server (DNS only); proxied hostnames time out on the mail ports, so use a DNS-only record or a separate DNS-only name for clients.

Why is outgoing mail not arriving?

Many hosting providers block outbound port 25. Set RELAYHOST in the Environment editor to relay outgoing mail. Outbound deliverability, SPF, DKIM and DMARC records, MX reachability and port-25 egress were not verified, so test them in your own environment before relying on the server for production mail.

Can I run two Mailu installs on one server?

No. Only one Mailu install per server is possible, because ports 25, 465, 587 and 993 are fixed.

Can failed sign-ins lock people out?

Sign-ins through the platform proxy share one failed-sign-in counter, so repeated failures can pause web sign-in for all users for up to an hour. The admin console and webmail are reachable by anyone who can reach the site; Basic Auth at the proxy is optional and not enabled by the template.

What should I back up?

All eight volumes together while the install is stopped (mailu_data, mailu_dkim, mailu_mail, mailu_queue, mailu_filter, mailu_redis, mailu_certs and mailu_webmail), plus the stable .env values, especially SECRET_KEY. mailu_dkim matters most: losing it breaks DKIM signatures until DNS is updated.

Backups in xCloud

What survives a restart?

Mailboxes, DKIM keys and queued mail. The verify run restarted all eight containers and the stored message was still readable.

Does xCloud automatically back up or update Mailu?

No. The template pins Mailu 2024.06.61 by immutable digest; new installations use the pinned release and existing sites are not automatically upgraded. To upgrade, read the upstream release notes, then bump the readable tag and digest together on your own schedule. Read the Mailu release notes first. Server-level backups and snapshots are available on every Cloud VPS.

What are the server requirements, and why does this page sell 6 GB?

The template's baseline asks for 1 CPU core, 2048 MB of RAM and 10 GB of disk, plus space for mail; measured idle use in QA was about 745 MiB across all containers. This page sells the 6 GB tier as the entry rung, with real headroom above that baseline.

Is xCloud officially partnered with Mailu?

No. No official partnership or endorsement between xCloud and the Mailu project has been verified. This is a deployment and server-management option for the open-source Mailu project.

Can I cancel anytime?

Yes. There is no lock-in — cancel any time. Hosting is billed monthly and charged for what you actually use, so when you delete the server the unused balance is refunded to your account, less up to 10% in payment-processing fees.