Private Exchange Email

Secure, exchange email for you or your business
Hosted in the UK on our own servers

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Why Use Cobalt365

See why more people are using Cobalt365 to take control of their email.

Secure by default

End users use mail services through secure connections (IMAP/SMTP over TLS, webmail with HTTPS). Emails are encrypted in transit using TLS. Passwords are stored in SSHA512.

Calendars, Contacts, ActiveSync

Manage your calendars (CalDAV), address books (CardDAV), tasks on a easy to use web UI or your mobile devices.


Manage mails, folders, sieve filters, vacation directly on a intuitive and easy to use web UI.

Antispam & Antivirus

SpamAssassin, ClamAV, SPF, DKIM, greylisting, whitelisting, blacklisting. Quarantining detected spam into SQL database for further review.

Web admin panel

Manage your mail accounts with a web admin panel. Cobalt365 has an easy to use web admin panel for all accounts.

Love it! The ideal solution for my company and a great time saver for my secretary.

Charles Dawson Barrington Rentals, Eastbourne, UK

The perfect email system, together with great service and expertise from Cobalt365!

Willow Rivers Reigate, Surrey, UK

My business needs a secure, private email system. Cobalt365 provides exactly what I want!

David Stokes WHCSS Ltd, Edinburgh, UK

Grow your business, start today!

Give your business a professional look using your domain name. At a price your business can afford, you get everything you need to run your business email.

Frequently Asked Questions

Cobalt365 is an email hosting service, keeping personal or business emails on a server. Your email domain can be hosted with or without a website. Our specialised, professional, hosting service provides peace of mind to users.
You can upgrade your email hosting package at any time. If you are a domain administrator you can also adjust the size of any mailbox within your control. Naturally, mailbox size is restricted to the allocated disk space of your package.
Absolutely, many individuals and businesses only transfer their emails to our hosted email solution. You make a simple change to the MX records for email though your DNS control panel to use our hosting services.
No, you can cancel your account at any time and there will be no further payments required. We do not offer refunds for unused subscriptions, so please use your free trial to make sure Cobalt365 is right for you.
If you have a Premium Account you can rest assured that our support team are standing by round the clock to provide personal support to ensure your email runs smoothly.
We host our servers in ISO certified data centres in UK. Server connections are protected through the latest SSL/TLS technologies for all communications. This includes access to manage the secure email hosting account or connection to the webmail, as well as connection from Outlook to your mailbox on the server.
Autodiscover is a technology which helps in setting up an email account on a PC or a mobile device using just your email address/ password. It does not require you to have to type incoming and outgoing email server addresses or the rest of the manual configuration options.
Contact our support team and they will help you with everything you need to know about moving existing email accounts to Cobalt365.
We believe you will love our service. However, if you ever decide Cobalt365 is not for you, we make it easy to extract all your data via standard protocols.
As a paid service, we only serve our customers. This means we have no split loyalties, no mining of your personal data, no sharing it with third parties, and definately no adverts - ever!

More questions?

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