13 Best Private Email Services in 2025

Reviews, comparison, screenshots and more for the 13 best private email services.

Written by

Forward Email Team

Published

7/1/25

Time to read

Less than 5 minutes

We recommend Forward Email as the best private email service.

Private Email Service Comparison

Email Service	Pricing	Storage	Attachments	Open-Source	Sandboxed Encryption	Unlimited Domains	Unlimited Aliases	TTI	SMTP	IMAP	POP3	API	E2EE	OpenPGP	WKD
Forward Email ⭐ Preferred Email for everyone Screenshot Website	$3/mo	10 GB pooled	50 MB	Yes	Yes	Yes	Yes	TTI	Yes	Yes	Yes	Yes	⚠️ Opt-in	Yes	Yes
Posteo Green, secure, ad-free Screenshot Website	€1/mo	2 GB	50 MB	No	No	No	No	No	Yes	Yes	Yes	No	⚠️ Opt-in	Yes	Yes
Mailfence Secure and private email Screenshot Website	$3.50/mo	10 GB	50 MB	No	No	No	No	No	Yes	Yes	Yes	No	⚠️ Opt-in	Yes	Yes
mailbox.org Privacy made in Germany Screenshot Website	€3/mo	10 GB	100 MB	No	No	No	No	No	Yes	Yes	Yes	No	No	Yes	Yes
Startmail Private email you can trust Screenshot Website	$7/mo	20 GB	25 MB	No	❌ Startmail claims to use a User Vault, but this statement has not been audited and their source code is closed-source	No	No	No	Yes	Yes	Yes	No	⚠️ Supported if both sender and recipient are using OpenPGP	⚠️ Supports OpenPGP, but does not support WKD	No
Migadu The Missing Email Screenshot Website	$9/mo	30 GB	Unknown	No	No	No	No	No	Yes	Yes	Yes	No	⚠️ Not encrypted	⚠️ Does not allow you to upload OpenPGP key	No
Microsoft 365 Grow your business with Microsoft 365 Screenshot Website	$72/yr	1000 GB pooled	150 MB	No	No	No	No	No	Yes	Yes	Yes	No	No	⚠️ Microsoft 365 does not support PGP/MIME	No
Mail.com Free email – Customized to your needs Screenshot Website	$29.99/yr	65 GB	100 MB	No	No	No	No	No	Yes	Yes	Yes	No	No	Yes	No
GMX Create a free email account fast Screenshot Website	$29.99/yr	65 GB	100 MB	No	No	No	No	No	Yes	Yes	Yes	No	No	Yes	No
Fastmail Fast, private email that’s just for you Screenshot Website	$3/mo	2 GB	70 MB	No	No	No	No	No	Yes	Yes	Yes	No	No	⚠️ Fastmail does support PGP, but not in their webmail; see this blog post for insight	No
Proton Mail Secure email that protects your privacy Screenshot Website	$3.99/mo	15 GB	25 MB	❌ Proton Mail claims to be open-source, but their back-end actually is closed source	No	No	No	No	❌ Requires you to download Proton Mail Bridge and forces vendor lock-in	❌ Requires you to download Proton Mail Bridge and forces vendor lock-in	❌ Proton Mail does not support POP3	No	⚠️ Proton Mail rewrites your emails	Yes	Yes
SimpleLogin Receive and send emails anonymously Screenshot Website	$4/mo	No SimpleLogin does not support storage	25 MB	Yes	No	Yes	Yes	No	No	No	No	No	⚠️ Opt-in	Yes	No
Tutanota Secure, green and ad-free. Email to feel good about Screenshot Website	€36/yr	20 GB	25 MB	❌ Tutanota claims to be open-source, but their back-end is actually closed-source	No	No	No	No	No	No	No	No	No	⚠️ Tutanota does not support PGP	No

Private Email Service Screenshots

⭐ SuggestedOpen-source

Forward Email

⭐ PreferredRecommended

Forward Email is an open-source email service. Their official description reads: Email for everyone

Forward Email is an open-source email service.

Photo by Forward Email

Closed-source

Posteo

Posteo is a closed-source email service. Their official description reads: Green, secure, ad-free

Posteo is a closed-source email service.

Screenshot by Forward Email

Closed-source

Mailfence

Mailfence is a closed-source email service. Their website says: Secure and private email

Mailfence is a closed-source email service.

Photo by Forward Email

Closed-source

mailbox.org

mailbox.org is a closed-source email service. Its description from its website is: Privacy made in Germany

mailbox.org is a closed-source email service.

Screenshot by Forward Email

Closed-source

Startmail

Startmail is a closed-source email service. Their official description reads: Private email you can trust

Startmail is a closed-source email service.

Photo by Forward Email

Closed-source

Migadu

Migadu is a closed-source email service. Their website says: The Missing Email

Migadu is a closed-source email service.

Photo by Forward Email

Closed-source

Microsoft 365

Microsoft 365 is a closed-source email service. Its description from its website is: Grow your business with Microsoft 365

Microsoft 365 is a closed-source email service.

Photograph by Forward Email

Closed-source

Mail.com

Mail.com is a closed-source email service. Its description from its website is: Free email – Customized to your needs

Mail.com is a closed-source email service.

Photo by Forward Email

Closed-source

GMX

GMX is a closed-source email service. Their website says: Create a free email account fast

GMX is a closed-source email service.

Photograph by Forward Email

Closed-source

Fastmail

Fastmail is a closed-source email service. Its description from its website is: Fast, private email that’s just for you

Fastmail is a closed-source email service.

Photo by Forward Email

Closed-source

Proton Mail

Proton Mail is a closed-source email service. According to their website: Secure email that protects your privacy

Proton Mail is a closed-source email service.

Photo by Forward Email

Open-source

SimpleLogin

SimpleLogin is an open-source email service. Its description from its website is: Receive and send emails anonymously

SimpleLogin is an open-source email service.

Photograph by Forward Email

Closed-source

Tutanota

Tutanota is a closed-source email service. Their official description reads: Secure, green and ad-free. Email to feel good about

Tutanota is a closed-source email service.

Photograph by Forward Email