Is Posteo better than mailbox.org?

Posteo ranks higher in our list of secure email providers (#5 against #7, score 84.5 against 81.5). mailbox.org is best for: German-hosted email with cheap entry plans. Posteo is best for: ad-free, low-cost email with anonymous sign-up.

Which is cheaper, mailbox.org or Posteo?

mailbox.org: Plans from 1 euro per month after a 30-day trial. Posteo: Accounts from 1 euro per month, with 4 GB of storage.

Do mailbox.org and Posteo run on the same platforms?

mailbox.org supports Web. Posteo supports Web.

Comparison · Secure email providers

mailbox.org vs Posteo: which is better in 2026?

mailbox.org81.5#7 in best secure email providers

Posteo84.5#5 in best secure email providers

Posteo ranks higher in our list of secure email providers (#5 against #7, score 84.5 against 81.5).

How we rank Share

81.5
Editorial score
84.5
1
Platforms
1
No
Free to use
No
No
Open source
No

Which should you choose?

Choose mailbox.org if you want

German-hosted email with cheap entry plans.

German data centers certified to ISO 27001, with plans from 1 euro a month after a 30-day trial. The entry plan has 2 GB of mail storage, and there is no free plan after the trial.

Choose Posteo if you want

Ad-free, low-cost email with anonymous sign-up.

An ad-free account from 1 euro a month, with anonymous registration and optional encryption of stored data. The site lists no free plan, and only the web platform is listed.

Side by side

	mailbox.org	Posteo
Score	81.5	84.5
Rank in list	#7 of 10	#5 of 10
Price	SubscriptionPlans from 1 euro per month after a 30-day trial	SubscriptionAccounts from 1 euro per month, with 4 GB of storage
Free to use	No	No
Open source	No	No
Platforms	WebWeb	WebWeb
Made by	Heinlein Gruppe	Not stated
Encryption	Encryption at rest and in transit	Optional encryption of stored data
Hosting base	Germany (data centers)	Berlin lab
Free plan	No	No
Best for	German-hosted email with cheap entry plans	Ad-free, low-cost email with anonymous sign-up
Strengths	Data stored in certified German data centers Entry plan starts at 1 euro per month Email, drive, calendar and video in one account	Registration needs no personal details Ad-free with no tracking or profiling Email, calendar, address book and notes in one account
Limits	No free plan after the 30-day trial Private Light includes only 2 GB of mail storage	The site lists no free plan Only the web platform is listed
Links	Visit site	Visit site

Questions about mailbox.org vs Posteo

Is Posteo better than mailbox.org?: Posteo ranks higher in our list of secure email providers (#5 against #7, score 84.5 against 81.5). mailbox.org is best for: German-hosted email with cheap entry plans. Posteo is best for: ad-free, low-cost email with anonymous sign-up.
Which is cheaper, mailbox.org or Posteo?: mailbox.org: Plans from 1 euro per month after a 30-day trial. Posteo: Accounts from 1 euro per month, with 4 GB of storage.
Do mailbox.org and Posteo run on the same platforms?: mailbox.org supports Web. Posteo supports Web.