Mailbox.org vs Posteo: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Mailbox.org and Posteo side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Mailbox.org leads on lower entry price. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Mailbox.org
Secure and private email, cloud storage, video conferencing, and office suite for individuals and businesses.
Best for you if:
- • You want high level of data security and privacy with consistent encryption
Posteo
Green, secure, and ad-free email, calendar, and address book for maximum privacy.
Best for you if:
- • You want exceptional privacy with no tracking, ads, or user profiling
| At a Glance | Mailbox.org | Posteo |
|---|---|---|
Starts at | From $1/mo Light plan | From $1.08/mo, billed yearly Posteo Email Account plan |
Category | Email Productivity | Email Security |
Rating | 3.8/5 Trustpilot 4.3 · G2 4.0 · SourceForge 1.3 126 reviews | n/a |
Free plan | No | No |
Watch out for | n/a | Upgrades for additional storage |
Choose Mailbox.org or Posteo?
Choose Mailbox.org if
- You want high level of data security and privacy with consistent encryption
- You want compliance with strict European data protection laws (GDPR)
- Budget matters ($1/mo vs $1.08/mo, billed yearly)
Choose Posteo if
- You want exceptional privacy with no tracking, ads, or user profiling
- You want strong encryption for all data, including stored emails, calendars, and address books
In-Depth Analysis
Mailbox.org
Secure and private email, cloud storage, video conferencing, and office suite for individuals and businesses.
Mailbox.org offers a fair pricing structure, especially for those prioritizing privacy and security.
Strengths
- Pro: High level of data security and privacy with consistent encryption.
- Pro: Compliance with strict European data protection laws (GDPR).
- Pro: Data stored exclusively in certified German data centers.
- Pro: Comprehensive suite of tools (email, drive, meet, office) in one platform.
- Pro: Sustainable operation with 100% green energy.
Weaknesses
- Con: No free tier available, only a 30-day free trial.
- Con: Pricing is per user, which might add up for larger teams.
- Con: Focus on European data privacy might not be a primary concern for all global users.
Key features
Posteo
Green, secure, and ad-free email, calendar, and address book for maximum privacy.
Posteo offers an incredibly fair and generous pricing model at just $1.08 per month for a comprehensive, privacy-focused email, calendar, and address book service.
Watch out
Upgrades for additional storage
Strengths
- Pro: Exceptional privacy with no tracking, ads, or user profiling.
- Pro: Strong encryption for all data, including stored emails, calendars, and address books.
- Pro: Environmentally friendly, powered by 100% real green energy.
- Pro: User-financed, ensuring independence from external investors and ad partners.
- Pro: Free migration service simplifies switching from other providers.
Weaknesses
- Con: Paid service with no free tier.
- Con: Storage upgrades beyond 4GB incur additional monthly costs.
- Con: Support is primarily via email, which might be slower for urgent issues.
Key features
Plans and prices: Mailbox.org vs Posteo
| Tool | Plans and prices | Source |
|---|---|---|
| Mailbox.org |
| mailbox.org read Sep 28, 2026 |
| Posteo |
| posteo.de read Oct 25, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Mailbox.org pricing and Posteo pricing.
Key Takeaways
Mailbox.org
- Lower entry price: $1/mo vs $1.08/mo, billed yearly
Posteo
- Choose if you want green, secure, and ad-free email, calendar, and address book for maximum privacy
What the data shows
On the data below, Mailbox.org leads on lower entry price. We do not name an overall winner for this pair.
- Only Mailbox.org has a published user rating (3.8/5 from 126 reviews); Posteo has none we can show.
- Mailbox.org has the lower entry price: $1/mo (Light) against $1.08/mo, billed yearly (Posteo Email Account) for Posteo.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Mailbox.org and Posteo compare in 2026?
On the data below, Mailbox.org leads on lower entry price. We do not name an overall winner for this pair. Only Mailbox.org has a published user rating (3.8/5 from 126 reviews); Posteo has none we can show. Mailbox.org has the lower entry price: $1/mo (Light) against $1.08/mo, billed yearly (Posteo Email Account) for Posteo.
What are Mailbox.org and Posteo used for?
Mailbox.org: Secure and private email, cloud storage, video conferencing, and office suite for individuals and businesses. Posteo: Green, secure, and ad-free email, calendar, and address book for maximum privacy.
What does Mailbox.org cost vs Posteo?
Mailbox.org's cheapest paid plan is Light at $1/mo. Posteo's cheapest paid plan is Posteo Email Account at $1.08/mo, billed yearly. Prices read on the vendors' pricing pages, latest check Oct 25, 2026.
What's the main difference between Mailbox.org and Posteo?
Mailbox.org's main strength: high level of data security and privacy with consistent encryption. Posteo's main strength: exceptional privacy with no tracking, ads, or user profiling.