Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Personal Email Services

Fastmail Masked Email vs GMX Mail

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Fastmail Masked Email #6 in Personal Email Services 8.6/10 30-day trial Free trial✓ 0 of 3 features Visit Fastmail
GMX Mail #8 in Personal Email Services 8.4/10 Free plan Free plan✓ 1 of 3 features Visit 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

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

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
  • 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
  • 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
Cons
  • 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
  • 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
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 →
  1. Fastmail Masked EmailPersonal Email Services 8.630-day trial
  2. GMX MailPersonal Email Services 8.4Free plan

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

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update