ImprovMX vs. Proton Mail

Proton Mail is a privacy-focused email hosting provider with end-to-end encryption. ImprovMX is a dedicated email forwarding service that works with your existing inbox.

Choose Proton Mail if you need an encrypted mailbox with maximum privacy. Choose ImprovMX if you want to forward emails to your existing inbox with advanced routing features.

Feature

ImprovMX

Proton Mail

Pricing

Free plan for forwarding. Paid from $9/mo

Free plan with limits. Paid from $4/mo

Email Hosting

No mailbox hosting — forwards to your inbox

Full encrypted mailbox hosting

Privacy

Privacy-focused, GDPR compliant

End-to-end encryption, zero-access

Email Forwarding

Advanced rules routing, regexes, webhooks

Basic forwarding available on paid plans

SMTP Sending

SMTP sending with any email client

SMTP Bridge for desktop clients (paid only)

Custom Domains

Up to 30 custom domains on paid plans

Custom domains on paid plans only (up to 3)

API

Full API for automation

No public API

Open Source

Not open source

Client apps are open source

Compliance

GDPR compliant

GDPR compliant, Swiss privacy laws

Your domain deserves better email

Set up in minutes and forget about it.

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