Head-to-head · Personal Email Services
Fastmail Masked Email vs GMX Mail
Fastmail Masked Email leads on 0 checks, GMX Mail on 1, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreFastmail Masked Email · 8.6/10
- Free planonly GMX Mail
- Free trialonly Fastmail Masked Email
- Most featuresGMX Mail · 1 of 3
Fastmail Masked Email scores higher on our rubric for personal email services: 8.6 against 8.4 out of 10; our editors rank them #6 and #8.
GMX Mail offers free plan; Fastmail Masked Email doesn't.
Fastmail Masked Email is the better fit for masked email and privacy controls. GMX Mail is the better fit for people who want a free, feature-rich mailbox.
- Fastmail Masked Email fits best
Masked email and privacy controls
- GMX Mail fits best
People who want a free, feature-rich mailbox
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Side by side
| Feature | Fastmail Masked Email 8.6/10 Visit ↗ | GMX Mail 8.4/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.6 | 8.4 |
| Ranking | #6 in Personal Email Services | #8 in Personal Email Services |
| Best for | Masked email and privacy controls | People who want a free, feature-rich mailbox |
| Pricing model | Paid | Free |
| Starting price | $4/user/mo | Free plan |
| Free plan | — | ✓ (best) |
| Free trial | 30 days | — |
| Deployment | Cloud, Desktop, Mobile | Cloud, Mobile, Browser extension |
| Platforms | Web, Windows, macOS, iOS, Android | Web, iOS, Android, Chrome extension |
| Integrations | 6 integrations | 5 integrations |
| Features Fastmail Masked Email 0/3 · GMX Mail 1/3 | ||
| Custom domain | Not checked yet | Not checked yet |
| Email aliases | Not checked yet | ✓ (best) |
| Ad-free inbox | Not checked yet | — |
| Specs | ||
| Mailbox storage | 5 GB | Not checked yet |
| Attachment limit | 50 MB | Not checked yet |
| Platform access | Not checked yet | Web_and_mobile |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | Fastmail Masked Email generates unique email addresses for online accounts, helping keep a real address private and allowing individual addresses to be blocked or deleted. It is a feature of the broader Fastmail hosted email service, which… Read the review → |
GMX Mail is a free personal email service from 1&1 Mail & Media GmbH, aimed at people who want more than a basic inbox without paying for a mailbox. It offers up to 65 GB of storage, attachments up to 50 MB, and up to 10 email aliases.… Read the review → |
Strengths and trade-offs
Fastmail Masked Email — where it wins
- Generates unique masked addresses and lets you block or delete them
- Supports aliases, catch-all addresses, and replies from masked addresses
- Includes migration tools, calendar, contacts, and broad platform coverage
Where it doesn't
- No free plan; paid access starts at $4 per user per month
- Basic excludes IMAP, POP, SMTP, CalDAV, and CardDAV access
- Masked Email is part of Fastmail rather than a separately priced product
GMX Mail — where it wins
- 65 GB mailbox storage and attachments up to 50 MB
- Up to 10 aliases, plus spam and malware filtering
- Includes PGP encryption, cloud storage, and Online Office
Where it doesn't
- The free service is not ad-free
- Its broad toolset may be more than a basic email user needs
- Mail, cloud files, office tools, and calendar sit within the GMX ecosystem
- Fastmail Masked Email8.6/10 · 30-day trial
A paid Fastmail service for masked addresses, hosted email, calendars, and contacts.
Visit FastmailFull verdict → - GMX Mail8.4/10 · Free plan
A feature-rich free mailbox with generous storage and useful built-in tools.
Visit GMX MailFull verdict →
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All personal email services comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update





