Proton Mail vs Mailchimp Comparison (2024)

What are the differences between Proton Mail and Mailchimp?

Written by

Forward Email Team

Published

11/1/24

Time to read

Less than 5 minutes

We recommend Forward Email as the best alternative to Proton Mail.

Email Service Comparison

20 facts in comparison

Proton Mail	vs.	Mailchimp
Proton Mail "Secure email that protects your privacy" Website	vs.	Mailchimp "Turn Emails into Revenue" Website
$3.99/mo	Pricing	$33/mo
15 GB	Storage	No Mailchimp does not support storage
25 MB	Attachments	25 MB
❌ Proton Mail claims to be open-source, but their back-end actually is closed source	Open-Source	No
No	Sandboxed Encryption	No
No	Unlimited Domains	No
No	Unlimited Aliases	No
No	TTI	No
❌ Requires you to download Proton Mail Bridge and forces vendor lock-in	SMTP	❌ Requires paid add-on for Mandrill of at least $20/mo
❌ Requires you to download Proton Mail Bridge and forces vendor lock-in	IMAP	No
❌ Proton Mail does not support POP3	POP3	No
No	API	Yes
⚠️ Proton Mail rewrites your emails	E2EE	No
Yes	OpenPGP	No
Yes	WKD	No

Email Service Screenshots

Closed-source

Proton Mail

Proton Mail is a closed-source email service. Its description from its website is: Secure email that protects your privacy

Proton Mail is a closed-source email service.

Proton Mail is a closed-source email service.

Screenshot by Forward Email

Closed-source

Mailchimp

Mailchimp is a closed-source email service. Its description from its website is: Turn Emails into Revenue

Mailchimp is a closed-source email service.

Mailchimp is a closed-source email service.

Photograph by Forward Email

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