Tutanota vs Cisco Secure Email Defense Comparison (2026)

Compare Tutanota vs Cisco Secure Email Defense email services. In-depth analysis of features, pricing, security, privacy, and storage to find the best email provider for your needs.

Written by

Forward Email Team

Published

4/1/26

Time to read

Less than 5 minutes

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

Email Service Comparison

20 facts in comparison

Tutanota	vs.	Cisco Secure Email Defense
Tutanota "Secure, green and ad-free. Email to feel good about" Website	vs.	Cisco Secure Email Defense "Advanced protection to safeguard your inboxes" Website
€36/yr	Pricing	Requires you to talk to a sales team
20 GB	Storage	Unknown
25 MB	Attachments	100 MB
❌ Tutanota claims to be open-source, but their back-end is actually closed-source	Open-Source	No
No	Sandboxed Encryption	No
No	Unlimited Domains	No
No	Unlimited Aliases	No
No	TTI	No
No	SMTP	❌ Requires 3rd party
No	IMAP	❌ Requires 3rd party
No	POP3	❌ Requires 3rd party
No	API	Yes
No	E2EE	No
⚠️ Tutanota does not support PGP	OpenPGP	No
No	WKD	No