What kind of email setup do I actually need? is a question almost every small-business owner runs into the day they register a domain. The good news: with cPanel hosting, you already have everything you need to run professional, branded email — like you@yourbusiness.com — and get it working on your laptop, your phone, and the web. This guide walks through the whole process in plain English, from creating the mailbox to setting it up in Outlook, Gmail, and your phone’s built-in Mail app.
Step 1: Create the mailbox in cPanel
Everything starts in cPanel. Log in (usually at yourdomain.com/cpanel) and open Email Accounts under the Email section. Click Create, then:
- Choose the domain and type the part before the @ (for example, sales or info).
- Set a strong password. Business mailboxes are a common target, so use the generator and aim for something long and random — you only have to type it into each device once.
- Set a mailbox quota. This caps how much storage the account can use. A few gigabytes is plenty for most users; you can raise it later, but leaving it unlimited can let one account fill your whole hosting space.
Click Create and the mailbox is live immediately. Repeat for each person or role address you need.
IMAP vs POP: which one should you pick?
When you add the account to a device, you’ll be asked to choose IMAP or POP. The difference is simple:
- IMAP keeps your mail on the server and syncs every device to it. Read a message on your phone and it shows as read on your laptop too. This is what you want if you check email in more than one place.
- POP downloads mail to one device and (by default) removes it from the server. It’s a holdover from single-computer days and usually causes more confusion than it solves.
For nearly everyone, the answer is IMAP. Here are the settings you’ll need:
| Setting | Value |
|---|---|
| Incoming (IMAP) server | mail.yourdomain.com |
| IMAP port | 993 (SSL/TLS) |
| Outgoing (SMTP) server | mail.yourdomain.com |
| SMTP port | 465 (SSL/TLS) |
| Username | Your full email address (you@yourdomain.com) |
| Password | The mailbox password you set in cPanel |
You don’t have to memorize any of this. In the Email Accounts screen, click Connect Devices next to your address. cPanel shows the exact settings for your account and offers configuration scripts that auto-fill everything for popular mail apps — one click and the device is configured correctly.
Setting up Outlook (desktop)
- Open Outlook and go to File → Add Account.
- Type your full email address and click Advanced options → Let me set up my account manually, then choose IMAP.
- Enter the incoming and outgoing servers (mail.yourdomain.com) with ports 993 and 465, both set to SSL/TLS.
- Enter your full email address as the username and your mailbox password.
- Click Connect. Outlook tests the connection and your mail begins syncing.
Setting up Gmail
You can use Gmail two ways. In the Gmail mobile app:
- Tap your profile icon, then Add another account.
- Choose Other (IMAP) and enter your full email address.
- Select Personal (IMAP), then enter the server and port settings from the table above.
- Finish, and the account appears alongside your existing Gmail.
If you’d rather read everything inside your regular Gmail web inbox, Gmail can pull your mail in for you. Go to Settings → Accounts and Import → Check mail from other accounts, add your address, and enter the same incoming server and credentials. You can also set Gmail to send as that address so replies come from your business name.
Setting up iPhone and Android Mail
The built-in Mail apps work well and follow the same pattern:
- iPhone: Settings → Mail → Accounts → Add Account → Other → Add Mail Account. Android: Settings → Accounts → Add account → Personal (IMAP).
- Enter your name, full email address, and password.
- Choose IMAP when asked for the account type.
- Enter mail.yourdomain.com for both incoming and outgoing servers, with ports 993 and 465 and SSL turned on.
- Save. The account syncs and you’re ready to send and receive.
Webmail: no setup required
Sometimes you just need to check mail from a borrowed computer. cPanel includes Webmail, a browser-based inbox you can reach at yourdomain.com/webmail or yourdomain.com:2096. Log in with your full email address and mailbox password — nothing to install. It’s also a handy way to confirm an account is working before you troubleshoot a device.
Troubleshooting the common snags
- Can’t send mail? This is almost always the outgoing side. Confirm the SMTP port is 465 with SSL and that outgoing authentication is turned on — the server requires your username and password to send, not just to receive.
- Can’t receive mail? Check that your domain’s MX and DNS records point to your hosting, and that the mailbox hasn’t hit its quota. A full mailbox quietly stops accepting new messages.
- Seeing a “certificate” warning? This usually means the device is set to a name the certificate doesn’t match. Use the server hostname exactly as shown in Connect Devices rather than a generic or older mail address.
A quick word on deliverability
Getting mail out is one thing; getting it into the recipient’s inbox instead of spam is another. Modern mail providers check records called SPF and DKIM to confirm your messages are legitimate. These live in your DNS, and on Radiant hosting we configure them for you when your email is set up — so your business mail lands where it should.
Want managed email instead?
cPanel email is included with your hosting and works great for most small businesses. If you’d prefer a fully managed option, Radiant also offers business email through Google Workspace and Hosted Exchange — with shared calendars, larger mailboxes, and provider-level support.
Either way, you don’t have to do it alone. If you’d rather have your email set up for you on every device, our team has been doing exactly this for Southern California businesses since 1997. Just contact us or call 1-866-462-4009 and we’ll take care of it.