33Mail
33Mail: A low-cost alias service for forwarding mail and replying anonymously. Ranked #10 of 23 in Email Alias Services by our editors (7.8/10); pricing: Free plan; best for simple automatic aliases at low cost.
At a glance
- Editor score7.8 / 10
- PricingFree plan
- Best forSimple automatic aliases at low cost
- Free planYes
- Founded2010
- Facts checked20 Sep 2026
Where it wins
- Automatically creates aliases when they first receive email
- Anonymous replies to forwarded messages
- Custom domains available on paid plans
Where it doesn't
- No verified ability to send new messages from an alias
- Platform support is limited to web and Chrome
- Anonymous-reply and bandwidth limits vary by plan
Our verdict on 33Mail
33Mail is an email alias and forwarding service for individuals who want separate addresses for websites, newsletters, and online services. It automatically creates aliases under a 33mail.com subdomain when they first receive email, forwards messages to an existing inbox, and lets users block unwanted aliases. Its anonymous-reply feature supports responses without exposing the receiving address, making 33Mail a fit for people who want practical separation between online services and their primary inbox.
The plan structure focuses on alias volume and message handling rather than a fixed alias count: the published plans show unlimited aliases. Lite includes unlimited aliases and an alias management interface. Premium costs $1 per month and adds 50 MB of monthly bandwidth, 20 anonymous replies per day, one custom domain, and one additional username. Pro costs $5 per month with 500 MB of monthly bandwidth, 100 anonymous replies per day, five custom domains, and five additional usernames. Enterprise costs $50 per month and raises those allowances to 5 GB, 1,000 anonymous replies per day, unlimited custom domains, and 25 additional usernames. A free tier is also available.
The standout feature is automatic alias creation combined with forwarding, blocking, and anonymous replies. Paid tiers extend the service to custom-domain aliases, while a Chrome extension can fill alias signup fields in supported browser workflows. 33Mail is available on the web and through the Chrome extension, so its ecosystem is focused rather than broad. It is a good choice for simple alias management, disposable addresses, and privacy-conscious replies. Choose an alternative if you need a mobile app, broader platform coverage, or the ability to send new outbound messages directly from an alias.
Your product? Our editors can test 33Mail in depth and publish a review, labelled as paid · from $149/mo →
33Mail pricing
All 4 33Mail plans and prices →
33Mail fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Alias limit | Not verified |
| Custom domains | Yes |
| Reply from alias | Yes |
| Send from alias | No |
| Browser extension | Yes |
| Mobile apps | Not verified |
| Deployment | Cloud, Browser extension |
| Platforms | Web, Chrome extension |
| Compliance & security | 2FA |
| Support | Email, Docs |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan (source) |
| Website | 33mail.com |
| Facts checked | 20 Sep 2026 |
Alternatives to 33Mail
- addy.ioA broad alias service with free access, custom domains, sending, replies, and self-hosting.9.4
- SimpleLoginA flexible alias service with strong privacy features and broad platform coverage.9.2
- DuckDuckGo Email ProtectionA free alias service for removing email trackers without changing your inbox.9.0
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The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used 33Mail for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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