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Head-to-head · Secure Email Providers

Mailfence vs Mailo

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Mailfence #4 in Secure Email Providers 8.6/10 Free plan Free plan✓ 1 of 3 features Visit Mailfence
Mailo #8 in Secure Email Providers 7.9/10 Free plan Free plan✓ 2 of 3 features Visit Mailo

Mailfence leads on 0 checks, Mailo on 3, and 2 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMailfence · 8.6/10
  • Free planboth
  • Most featuresMailo · 2 of 3

Mailfence scores higher on our rubric for secure email providers: 8.6 against 7.9 out of 10; our editors rank them #4 and #8.

Mailo offers custom domain; Mailfence doesn't. Mailo leads on mailbox storage: 20 GB versus 5 GB. Mailo leads on email aliases: 100 aliases versus 10 aliases. On mail protocol support, Mailo gives you Imap_smtp where Mailfence offers None.

Mailfence is the better fit for secure email plus collaboration tools. Mailo is the better fit for high-storage freemium email users.

  • Mailfence fits best

    Secure email plus collaboration tools

  • Mailo fits best

    High-storage freemium email users

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 Mailfence 8.6/10 Visit ↗ Mailo 7.9/10 Visit ↗
At a glance
Editor score 8.6 7.9
Ranking #4 in Secure Email Providers #8 in Secure Email Providers
Best for Secure email plus collaboration tools High-storage freemium email users
Pricing model Free plan + paid Free plan + paid
Starting price €2.50/mo €1.50/user/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Mobile Cloud, Mobile
Platforms Web, iOS, Android Web, iOS, Android
Features Mailfence 1/3 · Mailo 2/3
End-to-end encryption ✓ ✓
Custom domain — ✓ (best)
Encrypted calendar Not checked yet Not checked yet
Specs
Mailbox storage 5 GB 20 GB (best)
Email aliases 10 aliases 100 aliases (best)
Mail protocol support None Imap_smtp
Our review
Pros
  • OpenPGP encryption, digital signatures, and key management
  • Shared calendars, documents, contacts, mailboxes, and groups
  • IMAP, POP, SMTP, CalDAV, CardDAV, and ActiveSync support
  • 20 GB mailbox storage on the Premium plan
  • Up to 100 aliases and custom domain email addresses
  • PGP, two-factor authentication and mail-client access
Cons
  • Free plan provides only 1 GB of total storage
  • Base excludes custom domains and mail-client access
  • Larger storage tiers become substantially more expensive
  • The free plan includes advertising banners
  • Mailo Free provides only 1 GB of mailbox storage
  • The positioning emphasizes limited platform coverage and no integrations
Our verdict

Mailfence is a Belgium-based secure email service for privacy-conscious individuals, families, organizations, and universities. Its browser-based service combines email with OpenPGP end-to-end encryption, digital signatures, key…

Read the review →

Mailo is a French email and cloud service for individuals, families, organizations and professionals. It combines webmail with calendars, address books, document and photo storage, sharing tools, mobile access and synchronization through…

Read the review →
  1. MailfenceSecure Email Providers 8.6Free plan
  2. MailoSecure Email Providers 7.9Free plan

Strengths and trade-offs

  • Mailfence — where it wins

    • OpenPGP encryption, digital signatures, and key management
    • Shared calendars, documents, contacts, mailboxes, and groups
    • IMAP, POP, SMTP, CalDAV, CardDAV, and ActiveSync support

    Where it doesn't

    • Free plan provides only 1 GB of total storage
    • Base excludes custom domains and mail-client access
    • Larger storage tiers become substantially more expensive

  • Mailo — where it wins

    • 20 GB mailbox storage on the Premium plan
    • Up to 100 aliases and custom domain email addresses
    • PGP, two-factor authentication and mail-client access

    Where it doesn't

    • The free plan includes advertising banners
    • Mailo Free provides only 1 GB of mailbox storage
    • The positioning emphasizes limited platform coverage and no integrations

More comparisons

All secure email providers comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update