Getting business email on your own domain instead of Gmail or Hotmail

Jack Davies, co-founder of Klariq · Published 24 July 2026 · 8 min read

The argument for this is usually made on appearances, which is the least interesting reason. The real reasons are that you do not own a free address, you cannot hand it to the next person who does the job, and you cannot stop anyone pretending to be you.

Plenty of good businesses run on a personal email address for years and it never stops them getting work. So let us skip the lecture about looking professional, which you have heard, and go through what actually goes wrong.

You do not own a free email address

This is the real problem and it has nothing to do with image.

If your business email is yourbusiness@gmail.com, that address belongs to whoever controls that account. If a member of staff set it up, it is theirs. If it gets locked, suspended or hijacked, there is no account manager to ring and no contract behind it. You are a free user of a consumer service, and you are one password reset loop away from losing your entire customer correspondence.

We have seen a business lose an address it had used for eleven years because the person who created it left and the recovery phone number was theirs. Everything since had been sent to that address. There was no way back.

An address on your own domain works the other way round. The domain is an asset registered in your business name. Even if you fall out with your provider, you take it with you.

What you cannot do with a personal address

• Hand it over. When your bookings person leaves, you cannot pass sarahbookings@hotmail.com to the next one. With your own domain you reassign bookings@ in two minutes.
• Add staff properly. Everyone ends up with their own personal address, and there is no shared view of anything. See our guide on why shared logins cost more than a licence for where that leads.
• Stop people pretending to be you. On your own domain you can publish SPF, DKIM and DMARC records that tell the world which servers are allowed to send as you. You cannot do that on gmail.com. Invoice fraud, where a customer gets a convincing email with changed bank details, is the expensive version of this.
• Look consistent. If your van, your website and your email say three different things, people notice, even if they do not mention it.

What it costs

Two separate things, and people often confuse them.

The domain. A .co.uk is a small annual cost. Klariq registers and manages domains from £20 a year, and it is always registered in your name so it stays yours. If you already own a domain because you have a website, you do not need another one. Your email and your website can use the same one.

The mailboxes. This is a per person, per month subscription with Microsoft. The entry level Microsoft 365 plan covers business email, calendar and Teams. Check current pricing on Microsoft's own pages rather than relying on a figure in an article, because commercial pricing changed on 1 July 2026 and not every plan moved the same way.

Not everyone needs a full licence, either. Shared mailboxes such as info@ or accounts@ do not need one at all.

How the move works

The order matters, because getting it wrong is how people lose mail for a day.

1. Confirm you actually control the domain. Before anything else. If a web designer registered it for you years ago, it may be in their name. Sort that first, because everything else depends on it.
2. Create the tenant and verify the domain. This proves to Microsoft that the domain is yours, using a DNS record.
3. Create the mailboxes. Real people get named addresses. Anything a group needs to see becomes a shared mailbox.
4. Copy the old mail across. Your history from the old address comes with you, so nothing is lost.
5. Cut the DNS over. This is the moment new mail starts arriving at the new mailboxes. Done properly, out of hours, with the record lifetimes lowered beforehand, this is a non-event.
6. Set up SPF, DKIM and DMARC. Skipping this is why some businesses find their mail landing in junk after a move.
7. Keep the old address forwarding for a while. Customers take months to update their address books. Leave it forwarding, and tell people gradually rather than all at once.

For a small business with a handful of mailboxes, the whole thing is usually done inside a week, with the actual cutover taking an evening.

What goes wrong

• The domain is in somebody else's name. The most common blocker, and the one that takes longest to unpick.
• Cutting DNS over at 9am on a Monday. Do it when nobody is sending.
• Not migrating the old mail and assuming people will keep two inboxes open. They will not.
• Leaving SPF, DKIM and DMARC for later. Later means when a customer says they never got your quote.
• Forgetting everything else that sends as you: the website contact form, the accounting software, the booking system. Each of those needs to be allowed to send from your domain or it will start failing quietly.

If you are not sure what you have got, the quickest way to find out is to look at where your domain is registered and who it is registered to. That one fact usually tells you how much work is ahead.

Common questions

Do I need a website to have email on my own domain?

No. The domain and the website are separate things. You can have email on your own domain with no website at all, and add a site later using the same domain.

Will I lose my old emails if I move?

No. Your existing mail is copied across as part of the move, and the old address can keep forwarding for as long as you want while customers update their records.

Can I keep using my Gmail address as well?

Yes, and most people do for a while. Leave it forwarding into the new mailbox so nothing is missed, and stop publishing it anywhere new.

How long does the move take?

For a small business with a handful of mailboxes, usually about a week from the first conversation, with the cutover itself done outside working hours so nobody notices.

Tags: Microsoft 365 · Email · Domains · DMARC · UK SME

More in this series: all Klariq guides.