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Professional email
Use your domain with unlimited mailboxes and aliases. Manage mail, forwarding, filters, rules and catch-all accounts in one portal.
UNDERMAIL PROFESSIONAL SUITE
Email, files and documents.
Email, files and documents.
One business-ready home.
Give your team a professional address on your own domain, backed by managed email hosting, secure cloud storage, collaborative documents and the control of SmarterMail.
SpamExperts filtering
Mobile sync
Cloud drive
UnderMail Protected
Inbox12 new
YOUR WORKSPACE
OnlyOffice enabled
Cloud drive
2.4 GB / 5 GBQ3-plan.docxEdited just now
Forecast.xlsxShared with team
MORE THAN A MAILBOX
Everyday work, kept together.
UnderMail combines the essentials your business relies on, without making you assemble a stack of separate services.
File storage enabled
Access your web drive from the UnderMail portal to upload, organize and use your online file storage whenever you need it.
OnlyOffice documents
Create, edit and delete documents directly within your webmail portal with the included OnlyOffice online document suite.
THE UNDERHOST EMAIL SERVICE
Your domain deserves more than a basic inbox.
UnderMail is UnderHost's hosted email workspace for organizations that want a dependable, professional address on their own domain. It gives your team a familiar place to read and send mail, while keeping the tools that support everyday business communication in the same service.
From a new mailbox to a growing company, you can create the addresses your team needs, add domain aliases, set forwarding and auto-replies, and apply rules that keep important messages organized. Your plan also includes a web drive and the OnlyOffice document suite, so the workspace can support more than email alone.
Use your own domain
Give every person, department or purpose a professional email address that represents your business.
Built-in mail protection
SpamExperts Premium filtering helps separate unwanted mail before it gets in the way of real work.
Managed by UnderHost
We monitor the email servers around the clock, with email backup and recovery included for added peace of mind.
Ready where you work
Open webmail in a browser or connect compatible desktop and mobile apps with IMAP/POP3.
MADE FOR EVERYDAY BUSINESS EMAIL
Small controls that make a big difference every day.
UnderMail gives your team the practical tools to keep communication clear, responsive and organized as your business grows.
Route messages where they belong
Use forwarding, aliases and catch-all support to make sure an inquiry, support request or departmental message reaches the right person.
Reduce inbox noise
Apply email filters and rules to organize recurring messages, prioritize important senders and help your team focus on the conversations that matter.
Set clear expectations
Create auto-responders for away messages, confirmations and routine replies so contacts know their message has been received.
Keep work close to email
Use the online web drive for files and open documents in OnlyOffice directly from the same UnderMail workspace.
EMAIL HOSTING PLANS
Choose room for your business to grow.
Both plans include the complete UnderMail workspace. Select the storage that fits your team today.
STARTER
UnderMail Mini
Professional email for small teams.
5GB
$4.95USD / monthly
Get UnderMail Mini
- 5GB mail & cloud storage
- One primary domain & unlimited aliases
- Unlimited mailboxes per domain
- 600 sent emails/hour per domain
BUSINESS
UnderMail Business
Extra storage for growing teams.
10GB
$9.95USD / monthly
Get UnderMail Business
- 10GB mail & cloud storage
- One primary domain & unlimited aliases
- Unlimited mailboxes per domain
- 600 sent emails/hour per domain
Included with every UnderMail planSmarterMail hostingSpamExperts Premium filteringRoundcube & Horde webmailIMAP/POP3 mobile sync24/7 monitoringEmail backup & recovery
GOOGLE WORKSPACE THROUGH UNDERHOST
Prefer business email with Gmail?
Choose Google Workspace for Gmail on your own domain plus the collaboration tools your team already knows.
Google Workspace for your business domain.
Order Google Workspace through UnderHost for professional Gmail email, shared storage, video meetings, calendars, chat, and collaborative documents. We help you select the right edition and get your organization started.
Gmail with your domain Google Drive storage Google Meet and Chat Docs, Sheets and Slides Shared Calendar Google security controls
Business Starter
Professional Gmail and the core tools for small teams.
100Meet participants
24 hoursMaximum meeting length
30 GBStorage per user
- Custom business email with Gmail
- Drive, Meet, Chat and Calendar
- Docs, Sheets, Slides, Sites and Forms
Business Standard
More collaboration capacity for growing teams.
150Meet participants
24 hoursMaximum meeting length
2 TBStorage per user
- Everything in Business Starter
- Meet recordings saved to Drive
- Shared drives and appointment booking
Business Plus
Enhanced storage, meetings, security, and retention.
500Meet participants
24 hoursMaximum meeting length
5 TBStorage per user
- Everything in Business Standard
- Attendance tracking and enhanced controls
- Vault data retention and eDiscovery
Compare Google Workspace capabilities
Gmail
Business email, custom addresses, phishing and spam protection, and an ad-free inbox.
Meet
Video and voice conferencing, dial-in options, digital whiteboarding, and recording features by edition.
Drive
Secure cloud storage, Drive for desktop, support for common file types, and shared drives where available.
Chat and Calendar
Team messaging, conversation controls, external communication settings, shared calendars, and room booking features by edition.
Docs, Sheets and Slides
Collaborative content, Keep, Sites, Forms, Office-file interoperability, and writing or analysis assistance by edition.
Admin and search
Security, management, and search capabilities vary by the Google Workspace edition selected.
Google Workspace is provided by Google. UnderHost offers subscription and setup assistance. Google Workspace, Gmail, Drive, Meet, Chat, Docs, Sheets, Slides, and Calendar are trademarks of Google LLC.
FIND THE RIGHT FIT
Team mailboxes or application delivery?
UnderMail gives you two focused ways to handle email. Choose the service that matches what you need to send and who needs to use it.
For people, teams and everyday business mail.
Create professional mailboxes on your domain for staff, departments and shared inboxes. Your plan also brings webmail, filters, forwarding, cloud file storage and OnlyOffice documents together in one workspace.
- Use when people need to read and reply to email
- Keep mailboxes, aliases and business files in one place
- Connect browsers, phones and desktop email apps
For websites, systems and outbound sending.
Route messages from your website or application through a delivery-focused SMTP service with smart analysis, outbound filtering, reputation monitoring and blacklist alerts.
- Transactional notices, password resets and contact forms
- Newsletters, campaigns and customer communication
- Pay for the volume you send
POWERED BY SMARTERMAIL
Control for your inbox. Space for your work.
UnderMail is powered by SmarterMail, the platform behind your webmail and account-management experience. It brings messages, folders, contacts and the tools used to manage mailboxes into an organized browser-based workspace, while UnderHost operates and monitors the service behind it.
That means your team gets a straightforward place to work with mail, and your administrators have practical controls for aliases, forwarding, auto-responders, filters, rules and catch-all accounts. The built-in web drive and OnlyOffice suite keep important files and documents close to the conversation.
- Access your way — use Roundcube or Horde webmail, or connect your preferred app with IMAP/POP3.
- Keep mail under control — configure auto-responders, forwarders, filters, rules and catch-all accounts.
- Work securely — Premium SpamExperts filtering, continuous server monitoring, email backup and recovery are included.
UNDERMAIL SMTP RELAY
Send important mail with a reputation-aware relay.
For transactional messages, campaigns, newsletters and business communication, UnderMail SMTP Relay helps protect your sending reputation with smart analysis, advanced outbound filtering and deliverability-focused routing.
Starting at$4.95/month+ $0.30 per 1,000 emails
Get Email Relay
Smart analysis & scoringAssess sending activity before it risks your reputation.
Advanced outbound filteringHelp protect your sender profile at every stage.
Blacklist alertsStay aware with real-time reputation monitoring.
High-deliverability routingRoute mail with major email provider collaboration in mind.
HOW UNDERMAIL RELAY WORKS
Better control between your application and the inbox.
UnderMail SMTP Relay gives applications, websites and business systems a managed outbound path for the messages they need to send.
Connect your sending service
Configure your application, website or mail system to deliver outbound mail through UnderMail SMTP Relay.
Analyze before delivery
Smart email analysis, outbound filtering and scoring help identify messages that could put your sender reputation at risk.
Route with reputation in mind
Messages are sent through deliverability-focused routing while active IP reputation monitoring and blacklist alerts keep you informed.
A practical fit for transactional notifications, contact-form mail, campaigns, newsletters and business communication.
Send with good email practices in mind.For the best delivery experience, use a recognizable sender identity, maintain your SPF, DKIM and DMARC records, keep contact lists permission-based, and pay attention to bounce or complaint signals.
KNOW BEFORE YOU CHOOSE
Clear answers for a better email setup.
Whether you are choosing team email or a delivery service for your systems, here are the details that matter most.
UNDERMAIL HOSTING
For your team inboxes
Professional domain email, storage and everyday workspace tools.
What is included with UnderMail hosting?
Every plan includes SmarterMail, SpamExperts Premium filtering, webmail, IMAP/POP3 access, unlimited aliases and mailboxes, mail-management tools, 24/7 monitoring, backup and recovery. Choose 5GB or 10GB of mail and cloud storage.
Can I create mailboxes, aliases and shared addresses?
Yes. Create the addresses your staff and departments need under your primary domain, then use unlimited aliases, forwarding and catch-all support to route messages where they belong.
Can my team use webmail, phones and desktop apps?
Yes. Work from browser-based webmail or connect compatible desktop and mobile applications using IMAP or POP3.
What can I do with file storage and OnlyOffice?
Use the online web drive to manage files, then create, edit and delete documents in the OnlyOffice suite from within the webmail portal.
Can I order Google Workspace through UnderHost?
Yes. Choose Google Workspace through UnderHost when your team prefers Gmail, Drive, Meet, Calendar, Chat, and Google’s collaboration tools. Google provides the Workspace service; UnderHost helps with the subscription and initial setup.
UNDERMAIL SMTP RELAY
For application delivery
Managed outbound routing with reputation-aware controls.
When should I choose SMTP Relay?
Use SMTP Relay when a website, application or business system needs to send mail. It is designed for transactional notifications, contact-form messages, newsletters, campaigns and business communication.
How does the relay help protect sender reputation?
Messages pass through smart analysis and advanced outbound filtering. Active IP reputation monitoring, blacklist alerts and deliverability-focused routing help you stay informed and act early if sending quality needs attention.
How is SMTP Relay billed?
The service starts at $4.95 USD per month, plus $0.30 USD for every 1,000 emails sent. This keeps the base plan simple while your usage can scale with your sending needs.
What should I prepare before sending?
Use a recognizable sender identity, keep domain authentication records such as SPF, DKIM and DMARC up to date, and send to permission-based contacts for the best delivery experience.
Still deciding which UnderMail service fits?
Talk to UnderHost Our team can help you choose between hosted mailboxes and SMTP Relay before you order.
