Give every person on your team a trusted email address on your own domain. Reliable delivery, strong spam protection, and full compatibility with every email client.
Starting at $0.50
per user / month
99.9%
uptime SLA
< 60 sec
to provision a mailbox
No add-ons needed — every plan gets the full feature set
Custom Domain Email
Every mailbox runs on your own domain. Send as yourname@yourbusiness.com, not a shared hosting address.
TLS Encryption in Transit
All connections to and from our mail servers are encrypted. Plain-text delivery is rejected.
Anti-Spam Filtering
Multi-layer filtering scores every inbound message. Spam is quarantined; clean mail reaches the inbox.
Anti-Virus Scanning
Attachments are scanned for known malware on arrival before they ever touch a mailbox.
IMAP & SMTP Access
Works with Outlook, Apple Mail, Thunderbird, or any standard email client over secure IMAP and SMTP.
Web Client
A full-featured browser client lets your team read, compose, and organise mail from any device.
Mobile Ready
Configure once on iOS or Android. Push notifications and sync work seamlessly over IMAP.
Team Management
Add or remove users from your dashboard instantly. Set quotas and aliases per mailbox.
Instant Provisioning
New mailboxes go live in under a minute. No tickets, no waiting, no manual DNS steps.
Shared & Group Inboxes
Create group addresses like support@ or billing@ that route to multiple team members.
Catch-All Address
Catch mail sent to any unrecognised address on your domain — never miss a message again.
SPF, DKIM & DMARC
Authentication records are configured automatically to protect your domain reputation.
Five steps from signup to fully working team email
Create an account
Sign up at colioe.io — takes under a minute.
Add your domain
Enter the domain you want to receive email on.
Update your DNS
Point your MX records to our servers. We show you exactly what to add.
Create mailboxes
Add users and set their email addresses from the dashboard.
Start sending
Configure your email client or use the web interface — mail is live immediately.