Free custom domain email: what you really get
Three kinds of free exist, and they give up three different things. Which limit bites you depends on what you were going to do with the address.
A free email address with your own domain is a real thing — you can receive mail at
hello@yourbrand.com without paying anyone. What nobody tells you is that
"free custom domain email" describes three unrelated products, and picking the wrong one
means discovering the missing piece a month later, usually at the worst moment.
The three kinds of free
| Kind | Example | What it gives up |
|---|---|---|
| Forwarding | Cloudflare Email Routing | You cannot reply as your domain, and nothing is stored |
| Webmail-only tier | Zoho Mail free plan | No IMAP or POP — browser only, no Apple Mail or Outlook |
| Limited real mailbox | This site's free plan | One address, small quota, mail expires |
Google Workspace and Microsoft 365 are absent from that table on purpose: neither has a free tier for custom domains. Every "free Google Workspace" result is either a trial or an old education plan that no longer accepts sign-ups.
Forwarding: free because it stores nothing
Cloudflare Email Routing is the most popular free option and it is genuinely well built. It accepts mail at your domain and forwards it to a mailbox you already have. The catch is strictly one-directional: you cannot send or reply as your domain. Your reply goes out from the Gmail address underneath, and the customer now has your personal address instead of the one on your business card.
The second catch is that forwarding and DMARC are old enemies. When a message is forwarded, the original SPF check no longer matches the forwarding server, so strict senders can see their mail dropped in transit. It works most of the time, and the exceptions are invisible to you — the sender gets the bounce, not you.
Webmail-only tiers: free because you cannot leave
Zoho's free plan gives five users on one domain with 5 GB each, which is a real offer and more generous than most. What it withholds is IMAP and POP access. You read your mail in their web client or their app, and nowhere else — no Apple Mail, no Outlook, no Thunderbird, and no easy bulk export if you decide to move.
Whether that matters is a genuine question rather than a gotcha. If everyone on the team lives in a browser anyway, it costs you nothing. If one person insists on a desktop client, the free plan ends for everyone.
Limited real mailboxes: free because it is small
The third shape is a normal mailbox with the numbers turned down. That is what the free plan here is, and it is worth stating the limits plainly rather than in a footnote:
- One address per domain — no
support@alongsidehello@, and no aliases. - 1 GB of storage — thousands of messages, but not years of attachments.
- 90-day retention — mail older than 90 days is removed. This is the limit that surprises people, so plan around it rather than discovering it.
- 20 sends a day, rising to 50 once the account has some history — enough to run a business, not enough to run a campaign.
In exchange you get the parts forwarding cannot do: mail stored on your side, replies that actually come from your domain, and DKIM signing so those replies are believed.
What no free tier includes
Deliverability is the honest reason free tiers stay small. Keeping mail out of spam folders means monitoring blocklists, handling bounces, and throwing off anyone who signs up to blast mail — and that last part costs real money per account. A provider offering unlimited free sending on custom domains is either about to be overrun by spammers or is going to withdraw the offer. Low limits on free accounts are the mechanism protecting the thing you came for.
Choosing without regret
- Will you ever reply from this address? If yes, forwarding is out.
- Does anyone need a desktop mail client? If yes, you need IMAP.
- Do you need mail from last year? If yes, watch the retention limit.
- How many addresses? One is free almost everywhere; the second is where every free plan ends.
That last question is usually the one that decides it. Free plans are sized for a single
person with a single address, and most people discover they wanted support@
about three weeks in.
Questions
Can I get a free email address with my own domain?
Yes, and free comes in three shapes that give up three different things. Forwarding stores nothing and cannot send replies from your domain. Webmail-only free tiers store your mail but withhold IMAP and POP, so you are limited to their web client. A limited real mailbox is an ordinary mailbox with the numbers turned down — one address, a small quota and a retention limit. Which restriction matters depends entirely on what you need the address to do.
Is free custom domain email actually free, or just a trial?
Forwarding services and limited mailbox tiers are free indefinitely rather than for a trial period. Google Workspace and Microsoft 365 are the exception: neither has a free tier for custom domains at all, so every result promising a free Google Workspace is either a time-limited trial or an old education plan that no longer accepts sign-ups.
What does the free plan on snailworkmail include?
One address on your domain, 1 GB of storage, 90-day retention and 20 sends a day rising to 50 once the account has some history. Mail is stored on our side rather than forwarded, so replies genuinely come from your domain and are DKIM signed. Aliases, catch-all and IMAP are paid features, and the second address is where most people upgrade.
Why do free email plans have such low sending limits?
Because sending limits are the mechanism that keeps spammers from destroying deliverability for everyone else on the platform. Monitoring blocklists and handling bounces costs real money per account, so a provider offering unlimited free sending on custom domains is either about to be overrun or about to withdraw the offer.