Reliable email on your own domain, with the MAPI support Outlook users expect from Exchange.
Enterprise Mail & Messaging
Business email, group chat and team collaboration in one secure platform.
Business email hosting on your own domain and a smart alternative to Microsoft Exchange, with webmail, shared calendars, audio and video group chat, team workspaces and built-in spam and virus protection, at a lower cost of ownership.
Search mail
Inbox 12TeamSent
LMLayla MansourQ4 budget reviewPlease find the updated figures…09:42
OSOmar SaeedClient visit on SundayCan we confirm the meeting room…09:15
PJPriya JosephNew supplier contractSigned copy attached for your…Yesterday
Team chatOSJoining the video call in 2 min
Q4 budget reviewSafe
LMLayla Mansourto Finance team · 09:42
Hi team, please find the updated Q4 figures attached. Let's review them together in Thursday's meeting.
Q4-budget.xlsx248 KB
Budget meetingThu 10:00 · Room 2Accept
Reply to Layla…
ACOUP mail & messaging at a glance
EmailWith webmail on any device
ChatText, audio and video
Built-inSpam and virus protection
5Protocols incl. MAPI & EWS
Features
An email, chat and collaboration server in one
Everything your teams need to communicate securely, whether they work at the office, at home or on the move.
A full-featured webmail that works in the browser on desktop and mobile, with no software to install.
Share contacts, calendars, tasks and notes, and book conference rooms from organisational calendars.
Built-in text, audio and video group chat, so teams can talk without switching to another app.
Dedicated spaces with text, audio and video for internal teams and external partners.
Industry-standard spam filtering and enterprise-level antivirus included at no extra cost.
Quick to install and set up, with delegated administration and an API for automating domains and security settings.
The Exchange alternative
Exchange-style email without the Exchange cost
Built-in MAPI support means Outlook works as it does with Microsoft Exchange, while audio and video group chat and team workspaces are included as standard.
Lower licence cost
A more affordable alternative to Microsoft Exchange.
Lighter hardware needs
Runs with reduced hardware requirements.
Improved stability
A dependable server your teams can rely on every day.
Less maintenance
Lower ongoing maintenance and administration costs.
Better total cost
Lower total cost of ownership for SMBs and service providers.
Chat included
Audio and video group chat and team workspaces built in.
Built for teams
Collaborate, stay secure and manage it easily
Collaboration within a team
Bring people together with conference rooms and organisational calendars, shared contacts, calendars, tasks and notes, group chat, and team workspaces for internal and external teams.
Industry-standard email security
Spam filtering and enterprise-level antivirus are built in, with no extra cost. Add optional protection such as zero-hour outbreak detection and premium anti-spam, or connect your existing security appliances.
Easy administration
Install and set up quickly, delegate administration to the right people, and automate domain setup and security configuration through a fully API-driven platform.
Mobile & desktop
Works with the email apps your team already uses
Connect from desktop and mobile using standard protocols, so everyone keeps their favourite email client.
Supported protocols
- MAPI
- EWS
- EAS
- IMAP
- WebDAV
Compatible email clients
- Outlook for Windows
- Outlook for Mac
- Outlook mobile
- Apple Mail
- Windows Mail
- eM Client
- Thunderbird
- Gmail app
- Samsung Mail
One mailbox, every device
WebBrowser-based webmail
DesktopOutlook, Apple Mail and more
MobileiOS and Android apps
SyncMail, calendar and contacts
FAQs
Frequently asked questions
Can it replace Microsoft Exchange?
Yes. It is designed as an alternative to Microsoft Exchange, with built-in MAPI and EWS support so Outlook continues to work, plus group chat and team workspaces included.
Will my team be able to keep using Outlook?
Yes. Outlook for Windows, Mac and mobile is supported, along with Apple Mail, Windows Mail, eM Client, Thunderbird, the Gmail app and Samsung Mail.
Is there a webmail client?
Yes. The webmail client runs in the browser on desktop and mobile, so no additional software needs to be installed.
Is spam and virus protection included?
Yes. Industry-standard spam filtering and enterprise-level antivirus are built in at no extra cost, with optional add-ons for extra protection.
Does it include chat and video calls?
Yes. Text, audio and video group chat and team workspaces for internal and external teams are included.
Can administration be automated?
Yes. The platform is API-driven, so domain setup and security configuration can be automated, and administration can be delegated.
Can we host business email on our own domain?
Yes. Mailboxes run on your own domain with the DNS records configured during setup, so addresses stay in your company’s name and existing mail can be migrated across.
Explore more
View all solutions
Related solutions and services
Helpdesk & Ticket ManagementEmail and SMS requests become tickets
Call Center ManagementRouting, IVR and live dashboards
ERP – All-in-One Business SoftwareFinance, HR, inventory, sales and more
Enterprise HRMSHR, payroll and compliance
ATS & RecruitmentAI-powered hiring workflows
BPO & Call Center ServicesOutsourced customer support
Upgrade your business email
See how ACOUP mail and messaging brings email, chat and collaboration together for your teams. Our specialists will walk you through it.