Elastic Email vs Proton Mail Comparison (2026)

What are the differences between Elastic Email and Proton Mail?

Written by

Forward Email Team

Published

2/1/26

Time to read

Less than 5 minutes

We recommend Forward Email as the best alternative to Elastic Email. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison

Elastic Email	vs.	Proton Mail
Elastic Email "Take your email marketing and email delivery to the next level" Website	vs.	Proton Mail "Secure email that protects your privacy" Website
$9/mo	Pricing	$3.99/mo
No Elastic Email does not support storage	Storage	15 GB
10 MB	Attachments	25 MB
No	Open-Source	❌ Proton Mail claims to be open-source, but their back-end actually is closed source
No	Sandboxed Encryption	No
No	Unlimited Domains	No
No	Unlimited Aliases	No
No	TTI	No
Yes	SMTP	❌ Requires you to download Proton Mail Bridge and forces vendor lock-in
No	IMAP	❌ Requires you to download Proton Mail Bridge and forces vendor lock-in
No	POP3	❌ Proton Mail does not support POP3
Yes	API	No
No	E2EE	⚠️ Proton Mail rewrites your emails
No	OpenPGP	Yes
No	WKD	Yes