Postal vs TopDock

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

Postal compared with TopDock
Detail	Postal	TopDock
What it does	Open source mail delivery platform for incoming and outgoing email	Unified inbox for Windows with Gmail, Outlook and X in one slim bar
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	NL
Pricing model	Open source	Free trial
Pricing	Not given	Free 7-day trial, then €9.99/month or €79/year. Founding members: €29/year (members 1–20), €39/year (21–50), €49/year (51–100). One licence covers 3 PCs. 14-day money-back guarantee.
Key features	Comprehensive web interface for mail server management and logs Horizontal scalability for mail service Webhooks for delivery notifications Development mode for message testing IP pools for reputation management Spam and antivirus integrations	Read and reply to Gmail and Outlook without opening a browser Connect multiple Gmail and Outlook inboxes as separate or combined tiles View X mentions, likes, reposts and new followers with profile pictures Convert emails and mentions into todos with projects, colours and deadlines Convert images to PNG, JPG or WebP; crop, resize and rotate pictures Hide or redact parts of images before sending scans Merge and split PDFs
What makes it different	Open source alternative to Sendgrid, Mailgun and Postmark Self-hosted on your own infrastructure Full control over mail delivery and data	No server or TopDock account required; all data stays on your PC in Windows Credential Manager Official sign-ins through Gmail, Outlook and X; TopDock never sees your password Quiet badges and no pop-ups by default; set quiet hours to minimize interruptions One licence covers 3 PCs
Community votes	0	0
DR (Domain Rating by Ahrefs)	52 no change since last check	8 +3 (up) since last check
Trust Flow (Majestic)	11	4
Citation Flow (Majestic)	37	15
Referring domains (Majestic)	331	2

4 details filled in for both companies.

More alternatives to Postal More alternatives to TopDock