mailbox vs ImprovMX®

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

mailbox compared with ImprovMX®
Detail	mailbox	ImprovMX®
What it does	Your digital workspace with email, cloud, office and video conferencing	Forward Emails Easily
Stage	Not given	Established
Founded	Not given	2013
Based in	DE	US
Pricing model	subscription	freemium
Pricing	Private plans: Light €1/month, Standard €4/month (€3/month annually), Premium €12/month (€9/month annually). Business plans: Silver €25/month, Gold €75/month, Platinum €250/month. Free 30-day trial available.	Free plan includes 1 domain and 25 aliases; Premium at $9/mo with up to 30 domains; Pro at $24/mo with up to 100 domains; Enterprise with custom pricing for unlimited features.
Key features	Spam and virus protection Email encryption with PGP and S/MIME Cloud storage with guest access Video conferencing Online office collaboration Calendar and contacts Custom domain names Email aliases Two-factor authentication Centralized admin console	Email forwarding SMTP email sending Advanced email routing Multi-destination aliases Email logs API access Email webhooks Regex aliases
What makes it different	Hosted exclusively in German data centers subject to GDPR and German data protection law No data analysis, advertising, or tracking - you don't pay with your data Operated with 100% renewable energy BSI C5-certified and ISO 27001-certified security standards Open source foundation with active community contribution	Fast delivery averaging under 5 seconds per email with 99.99% SLA Strong privacy: does not read emails and does not sell data Self-funded and profitable since 2013 Generous free tier with unlimited free plan forever
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	75 no change since last check	67 no change since last check
Trust Flow (Majestic)	37	24
Citation Flow (Majestic)	52	44
Referring domains (Majestic)	6236	1500

6 details filled in for both companies.

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