ProtonBlog(new window)
Why Proton Mail is the best email provider for your business

How to easily create a business email address

Share this page

This post was updated on June 22, 2022

Despite the rise in online communication technologies such as instant messaging and video calls, email is still the preferred and often most efficient means for conducting business today. Having a professional email address for your business creates the impression that you are a credible and trustworthy company and is key to building trust and confidence in your customers.

In this article, we’ll discuss what a professional email address is, the reasons you should use a professional email for your business, and how to set up Proton’s secure business email(new window) for success. 

What is a professional email address?

If you run an online business, chances are you’ll reach out to potential or existing clients through email. Since email is often the first touchpoint for your customers, creating a professional email address used solely for business communications is crucial.

After analyzing more than 12 million email addresses, window) found the common formats for business email addresses:

Table of most common professional email address formats according to

For example, if your name is John Smith and you own Smith Marketing, your professional email address could be

Why you should use a professional email address for your business

Your professional email address reflects your brand and tells potential customers how seriously they should take your business. Here are some reasons you should use a professional email address to build your brand and maintain customer relationships.

Creating a professional image

Setting up a professional email address for your business is one of the best ways to appear credible online. Since your email address is likely the first thing your customers think of when they want to contact your business, it forms a vital part of your brand identity. Using a business email address like strikes a more professional tone than using a business email without a website (like, legitimizing your business. 

Keeping a consistent brand identity 

A professional email address that fits your brand can increase sales and customer satisfaction. As your company grows, you can give your employees their own professional email addresses associated with your domain name, such as or This helps customers recognize and remember your brand, reinforcing the idea that your company is well-established and trustworthy.

Avoiding spam filters

Email providers often use domain names to distinguish between legitimate and spam emails. Since anyone can create a free email account, emails from free email providers are more likely to be marked as spam. On the contrary, using a professional email address connected to your domain name is a sign of credibility, reducing the likelihood of spam filters flagging your business emails as junk.

Organizing emails by department or purpose

With a custom domain name, you can set up specific email addresses to channel emails to the right departments. Professional email addresses such as or not only organize email workflows for your employees but also ensure that your customers receive responses from a consistent, trustworthy email address when they contact your business.

Why Proton is the best email provider for your business

Choosing the right email provider is critical to the success of your company. Since business emails can contain sensitive information about your customers and your company, keeping them safe and private should be a top priority.

At Proton, we created the world’s largest encrypted email service which protects your customers’ confidentiality with state-of-the-art encryption and security features. We believe everyone should be able to choose how their data gets shared and with whom.


When you use Proton Mail(new window), all emails exchanged within your company are automatically end-to-end encrypted(new window), meaning only the sender and recipient can read the contents of the messages. All email attachments you send from your Proton Mail inbox are also automatically encrypted(new window) and stored using zero-access encryption(new window) on our servers. 

If your recipient does not use Proton Mail, you can use our Password-protected Emails(new window) feature to communicate securely with them. To read the message, your recipient must enter a previously agreed-upon password. Password-protected Emails also support end-to-end encryption of attachments, so all your files are private and only accessible to your recipient.


Since launching Proton Mail in 2014, we’ve only used secure implementations of encryption algorithms such as AES(new window) and RSA. AES, in particular, has been chosen by the National Institute of Standards and Technology as the cipher of choice when securing data transmission within the US government.

Additionally, all Proton Mail apps are fully open source and have been independently audited(new window) by top security firms. We are staunch advocates for open-source(new window) software, and we maintain two popular open-source encryption libraries, OpenPGP.js(new window) and GopenPGP(new window)


Proton Mail offers plenty of powerful features for your business while being intuitive and easy to use.

All our business plans include end-to-end encrypted Proton Mail(new window), Proton Calendar(new window), Proton Drive(new window), and Proton VPN(new window) in a single per-user subscription.

Proton Mail Essentials is our simplest plan offering you secure email with 15 GB of total storage and 10 addresses per user, support for three custom email domains, and basic VPN access on one device per user.

Proton Business gives you secure email with 500 GB of total storage and 15 email addresses per user, support for 10 custom email domains, and the highest speed VPN on 10 devices per user with more servers worldwide and extra security features.

Proton Mail EssentialsProton Business
• 15 GB storage per user
• 10 email addresses per user
• Unlimited folders, labels, and filters
• Support for 3 custom domains
• Contacts groups management
• Proton Calendar
• Proton Drive (beta)
• Proton VPN (connect on 1 device per user)
• 500 GB storage per user
• 15 email addresses per user
• Unlimited folders, labels, and filters
• Support for 10 custom domains
• Contacts groups management
• Proton Calendar
• Proton Drive (beta)
• Proton VPN (connect on 10 devices per user)

If you have more than 100 people on your team, you can also upgrade to our Enterprise plan, which unlocks:

  • Additional storage
  • Additional addresses
  • Dedicated support
  • Onsite installations
  • White-labeled themes and custom integration

Learn more about Proton for Business plans(new window)

Last but not least, you can access Proton Mail on any web browser or work on the go with our iOS(new window) and Android(new window) mobile apps. 

How to set up Proton Mail for your business

Setting up Proton Mail for your business is easy:

1. Sign up for a Proton for Business plan

To start using Proton Mail for your business, you need a custom domain (like and a Proton for Business plan.

If you don’t have a custom domain, you can purchase one from domain name registrars such as GoDaddy(new window), Namecheap(new window), and window).

Sign up for a Proton for Business plan(new window)

2. Set up your domain 

To set up your domain, log in to your Proton Account and click SettingsGo to settings.

Select Domain Names in the left sidebar. Under Domain names, click Add domain and use the setup wizard to complete your domain configuration.

Add domain button

Learn more about how to use a custom domain with Proton Mail(new window)

3. Create your organization 

Next, you need to create your organization:

Select SettingsGo to settings Multi-user support and click Enable multi-user support.

Give your organization a name and choose your organization’s encryption key strength. This key will be used to encrypt emails sent within your team.

Field to enter your organization name

Then set a password for your organization, which prevents Proton from accessing your key.

Last but not least, you can allocate storage space to your administrator account, allowing you to store emails, attachments, and files.

Learn more about how to create an organization(new window)

4. Set up new user accounts 

Adding new user accounts will give your employees their own Proton Accounts:

Click on SettingsGo to settings → Users and Addresses and select Add user.

Add user button

Enter a name, email address, and password to create a new user account. You can also allocate storage to this account.

Learn more about how to set up new user accounts(new window)

5. Migrate your existing emails

If you have existing emails with an external service provider, you can transfer your emails, calendars, and contacts using Easy Switch(new window):

Click on SettingsGo to settings → Import via Easy Switch and select a service provider to get started.

Easy Switch buttons to select service provider to start importing your email from another provider

Easy Switch works in the background, automatically encrypting your emails and other data as they arrive in your Proton Account.

Learn more about migrating to Proton using Easy Switch(new window)

It’s as easy as that. Whether you’re a small or large enterprise, you can use Proton Mail to secure your business communications and stay professional.

Protect your privacy with Proton
Create a free account

Share this page

Lydia Pang(new window)

Lydia is a lifelong book-lover and her professional experience spans several industries, including higher education and editorial writing. She's excited to write for Proton and champion privacy as a fundamental right for everyone.

Related articles

Even though the Snowden leaks came out 10 years ago, the United States never ended its unconstitutional surveillance program. It now has a chance to close the legal loopholes that allow warrantless spying on US citizens. But Congress needs to act bef
Over the past year, hackers have been using new and clever techniques to steal people’s online data. At Proton, we’ve been monitoring these evolving strategies and updating our defenses to stay ahead of the arms race.  Often, the attacks involve new
password fatigue
Most people in the digital age have dozens, if not hundreds, of passwords, and keeping track of them is tiring, to say the least. If you’re suffering from password fatigue, you’ll be happy to know there’s an easy fix. The short answer is that you sh
are password managers safe?
Password managers are a great way to generate secure passwords, keep them in encrypted storage together with your credit card details, and improve your online security across the board. But you might be worried about keeping so much sensitive data in
Most of us probably wouldn’t consent to sharing photos of our family and friends with random strangers on the internet. But that’s exactly what we do when we automatically sync our pictures to the non-private servers of Big Tech companies, which can
Google Drive is the world’s most popular cloud storage service by far, with over 3 billion people using Google Workspace (which includes Google Drive, Google Calendar, Gmail, and more). But this ubiquity has recently caused concern following several