Fortinet vs Startmail Comparison (2025)

What are the differences between Fortinet and Startmail?

Written by

Forward Email Team

Published

7/1/25

Time to read

Less than 5 minutes

We recommend Forward Email as the best alternative to Fortinet.

Email Service Comparison

20 facts in comparison

Fortinet	vs.	Startmail
Fortinet "Global Leader of Cybersecurity Solutions and Services" Website	vs.	Startmail "Private email you can trust" Website
Requires you to talk to a sales team	Pricing	$7/mo
Unknown	Storage	20 GB
Unknown	Attachments	25 MB
No	Open-Source	No
No	Sandboxed Encryption	❌ Startmail claims to use a User Vault, but this statement has not been audited and their source code is closed-source
No	Unlimited Domains	No
No	Unlimited Aliases	No
No	TTI	No
❌ Requires 3rd party	SMTP	Yes
❌ Requires 3rd party	IMAP	Yes
❌ Requires 3rd party	POP3	Yes
Yes	API	No
No	E2EE	⚠️ Supported if both sender and recipient are using OpenPGP
No	OpenPGP	⚠️ Supports OpenPGP, but does not support WKD
No	WKD	No

Email Service Screenshots

Closed-source

Fortinet

Fortinet is a closed-source email service. Their website says: Global Leader of Cybersecurity Solutions and Services

Fortinet is a closed-source email service.

Screenshot by Forward Email

Closed-source

Startmail

Startmail is a closed-source email service. According to their website: Private email you can trust

Startmail is a closed-source email service.

Screenshot by Forward Email

Compare Fortinet with 78 email services