The “webmail vs. email client” question is usually framed as a choice between two products. It isn’t. Webmail and an email client are just two different ways of opening the same mailbox. Once you see it that way, the decision gets a lot simpler.
They’re two doors into the same inbox
Webmail means reading your mail in a browser. With a CanSpace account that’s Roundcube, reachable at yourdomain.com/webmail. An email client means a dedicated app: Thunderbird, Apple Mail, Outlook, the Gmail or Mail app on your phone. Both connect to the exact same mailbox sitting on the same mail server, over a protocol called IMAP. Read a message in the browser and it shows as read in the app. Move something to a folder in the app and the folder is there in the browser. Nothing lives in “webmail” or “the client” specifically; it all lives on the server, and both are just windows onto it.
So you’re not choosing where your mail is stored. You’re choosing how you’d rather read and write it. That reframing matters because most of the “which is more secure / which keeps my mail safe” debate dissolves once you realize both are looking at the same copy.
There’s one real exception, and it’s worth knowing: POP3. An email client can be set up with POP3 instead of IMAP, and POP3 typically downloads messages onto one device and removes them from the server. That genuinely does move your mail off the server and onto a single computer, which means no sync, and no second copy if that computer dies. This is why we steer clients to IMAP, not POP3, on our hosting. Unless you have a specific reason to pull mail down to one machine, IMAP is what you want.
When webmail is the right call
Webmail wins on zero setup and reach. There’s nothing to configure and nothing to install, so it works from any device with a browser, including ones that aren’t yours. It’s the obvious choice when you’re travelling, using a borrowed or public computer, or just want to check something quickly. It’s also always current with whatever the server is doing, so there are no account settings to maintain. For light email use, or as a quick second screen alongside an app, webmail is often all you need. And because our webmail runs on the same Canadian servers as the mailbox itself, you’re not bouncing your mail through a third party to read it.
When a desktop or mobile client is the right call
A dedicated client earns its keep when email is a daily, high-volume part of your work. The advantages stack up there:
- Several accounts in one place, with a unified inbox if you want it
- Offline access: read and compose on a plane, and it syncs when you reconnect
- Stronger rules, filters, and search than most webmail interfaces
- Tighter integration with your calendar, contacts, and other desktop tools
- Native notifications and faster handling of large attachments and signatures
The trade-off is that a client needs setting up once per device and the occasional software update. For anyone managing multiple addresses or living in their inbox all day, that’s a small price.
The hybrid most people actually settle into
In practice, the people we host for don’t pick one and never touch the other. They run a client on their main computer and phone for everyday work, and fall back to webmail when they’re away from their own devices. Because it’s all IMAP, the two stay perfectly in sync, so there’s no downside to using both. If you’re unsure which camp you’re in, this is a fine default: set up IMAP in whatever app you already use, and keep webmail in your back pocket for when you’re out.
The thing that matters more than the front end
Here’s the part the usual comparison skips. Whether you read your mail in a browser or an app is a matter of preference. Where the mailbox is hosted and how it’s secured is the part that actually affects you. Deliverability, spam filtering, backups, encrypted connections (IMAP over TLS on port 993, SMTP on 465), and the jurisdiction your data sits in are all decided by the mail server, not the front end. For a Canadian business, the mailbox living on Canadian servers matters far more than whether you happen to open it in Thunderbird or in a browser tab.
A couple of practical security habits apply either way: log out of webmail when you’ve used a shared or borrowed machine, turn on multi-factor authentication or use app-specific passwords where they’re offered, and keep the physical device secured if you’re using a client. None of that depends on which window you prefer.
The bottom line
It was never really webmail versus email clients. Choose IMAP so everything stays in sync, then read your mail wherever’s convenient: a browser when you’re out, an app when you’re at your desk, both if that’s what fits your day. The choice that genuinely deserves your attention is who hosts the mailbox in the first place.
Full disclosure, since this is a hosting provider’s blog: we’re CanSpace, a Canadian-incorporated company with all of our servers in Canada and Canadian-staffed support. Every hosting plan includes email, with both Roundcube webmail and standard IMAP access, so you can use whichever front end suits you without giving up Canadian-hosted, backed-up mailboxes.
If you’re sorting out email for a domain or a business, our email hosting plans and web hosting plans both cover it, our guide to Roundcube webmail walks through the browser side, and our why-Canadian explainer covers why where the mailbox lives is worth caring about.




