I’ve tried so many Linux email clients – why Aerion just replaced Geary as my top pick


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Jack Wallen/ZDNET

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ZDNET’s key takeaways

  • Linux has several email clients, but this new one is tops for me.
  • Aerion is clean, easy to use, and lightweight.
  • This app supports several email accounts, is free to use, and is open source.

For the longest time, Geary has been my default email client. It’s lightweight, simple, and offers a nice, modern GUI. But I’ve always been bothered by certain issues with this client. 

For example, if I use Geary with a tiling window manager, the GUI doesn’t always behave properly depending on where I place it. If the Geary window isn’t wide enough, when I click an email, the email consumes the entire app (instead of leaving the email list and sidebar visible). Also, when I launch Geary on Pop!_OS, the app sometimes doesn’t appear until I run the geary command. Although these aren’t exactly deal-breakers, they’re annoying.

Also: Here’s my favorite email trick for cleaning up inbox clutter – automatically

So, when I heard about a new, cross-platform email client available for Linux (as well as MacOS and Windows), I had to try it out.

The client in question is called Aerion, an open-source app that is Linux-first, privacy-focused, lightweight, and efficient. The GUI is well laid out, so anyone can jump in and start using the app right away, with no learning curve. Aerion is sponsored by 3DF, a Hong Kong-based IT consultancy that calls itself “Asia’s leading technical operations partner.” For those concerned about the trustworthiness of 3DF and Aerion, you can view the source code for the email app in the official GitHub repository.

Aerion isn’t chock full of features, so you don’t have to worry about getting overwhelmed; it’s basic, easy, and clean. Aerion supports email accounts such as Gmail, Outlook/Hotmail, Yahoo Mail, iCloud Mail, ProtonMail Bridge, Fastmail, Zoho Mail, AOL Mail, GMX Mail, Mail.com, and IMAP/POP. It includes rich-text message formatting, theming, in-window or detached-window composing, read receipts, remote image loading enable/disable, signatures, contacts, email archiving, a spam filter, focus mode, email filtering, tracking element removal — and that’s about it. 

Aerion

Aerion might not have a ton of features, but what it does have is useful.

Screenshot by Jack Wallen/ZDNET

That feature list is just enough to make Aerion useful, while keeping it simple. 

Also: This is by far the best Linux email client I’ve used – and I’ve tested them all

It’s all about the UI

For me, the best part of Aerion is the UI; it’s modern enough to look right at home on any OS. You get an account pane, an email list pane, and a viewing pane. If you go to Settings > General, you can also select the type of title bar (Native, Aerion, or Disable — I go with Native, because Aerion adds a secondary title bar that isn’t necessary on Linux), the language, and the theme. 

Aerion

The Aerion email client has a clean, modern UI.

Screenshot by Jack Wallen/ZDNET

One feature I especially appreciate is Focus Mode, which switches the UI so that you only see the currently viewed email. 

Aerion

Focus Mode is helpful when you need to see only one email and nothing else.

Screenshot by Jack Wallen/ZDNET

To enable Focus Mode, click the small square to the left of the printer icon near the top right. To get out of Focus Mode, click the same icon.

You can add as many email accounts as necessary and easily manage them from the left sidebar. There’s also an All Inboxes view, so you don’t have to bounce between email accounts. 

Installing Aerion

Although Aerion is still in pre-release, I found it remarkably stable. 

To install Aerion on MacOS and Windows, grab the necessary installers from the official download page. Once you’ve downloaded the correct installer, double-click it and follow the installation wizard.

Also: Best email hosting services: Expert tested and reviewed

On Linux, Aerion is installed via Flathub, so you’ll need a Linux distribution with Flatpak installed. The Aerion installation command is:

flatpak install –user io.github.hkdb.Aerion

Once installed, open the app, add your email account(s), and start using this clean, modern, and lightweight app.





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Sheetz is an American gas station and convenience store chain concentrated in seven Mid-Atlantic and Midwestern states with over 829 locations in 493 cities. According to the American Customer Satisfaction Index 2025 Convenience Store Study, the company recently tied with Wawa for second place as the best U.S. convenience store. The largest number of Sheetz locations are in its home state of Pennsylvania, where 316, or 38% of all Sheetz stores are based. After Pennsylvania, the next most Sheetz-populous state is North Carolina with 142 stores, followed by Ohio with 135, Virginia with 124, West Virginia with 61, Maryland with 44, and Michigan with seven stores.

The name Sheetz goes back to Jerry Sheets, who married a woman from a family that owned a large dairy business in Altoona, Pennsylvania. When his nametag was misspelled as “Sheetz” as he attended a dairy conference, he liked it enough to officially change his last name to Sheetz. The Sheetz business empire traces its roots to 1952, when Jerry’s son Bob purchased one of Jerry’s unprofitable dairy stores located in Altoona and founded the Sheetz company. Altoona remains the home of Sheetz to this day.

The Sheetz family owns and operates the company with a 90% share, while the employees own the rest through an employee stock ownership plan. Sheetz family members at the helm include Travis Sheetz as president and CEO, Joe Sheetz as chairman of the board, and Stan Sheetz as board director, with additional family members in positions like EVP of operations, EVP of marketing and supply chain, and EVP of strategy and information technology.

What else should you know about Sheetz?

Some Sheetz milestones include the first self-service gas pumps in 1973, the introduction of its Made To Order, or MTO, menu in the mid-1980s, and its memorable “Free My Beer” campaign, which successfully led to the state of Pennsylvania allowing the sale of beer in convenience stores that also sold gasoline in 2016. Sheetz will also let you charge your EV at certain locations that have had chargers installed.

The journey from a single store to the current count of 829 took 74 years and the efforts of numerous members of the Sheetz family. Bob’s brother Steve had the idea to expand the Sheetz venture in 1969, and by 1972, there were 14 Sheetz stores. By 1983, Sheetz boasted 100 stores, and Bob turned over the business to Steve. By 1995, Bob’s son, Stan, became president of Sheetz. Stan added Sheetz-branded coffee and bakery products to the stores’ lineups, as well as a touchscreen ordering system. In 2013, Joe S. Sheetz, who was Bob’s nephew, became president and CEO, succeeded by current CEO Travis Sheetz in 2022.

Sheetz gas stations and convenience stores continue to expand their empire, far from their original location in Altoona, Pennsylvania. A newly opened Sheetz location in Macomb County, Michigan, recently dropped its gas price below $2 as a way to generate local customer traffic. It may take some time before gas prices get that low again.





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