Postling vs DMARCguard

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

Postling compared with DMARCguard
Detail	Postling	DMARCguard
What it does	Private email assistant that sorts Gmail, files the noise and briefs you on what matters, entirely on your Mac	DMARC monitoring and enforcement platform across 9 email authentication protocols
Stage	Not given	Startup
Founded	Not given	2025
Based in	GB	EE
Pricing model	Paid	Freemium
Pricing	Postling: £79 once (one person, up to 2 Macs); Household: £119 once, up to 5 people; Teams: £79 per person (20% off for 5 people or more). Founding licence: £59 for Postling or £89 for Household. Updates included for the first year; after that £29 a year per person or £45 for a household (optional).	Free plan: 2 domains, 7 protocols. Pro: $29/month for 2 domains, then $15/domain/month (3-10 domains), $10/domain/month (11+ domains). Founding members: $14.50/month for 2 domains, then $7.50/domain/month (3-10), $5/domain/month (11+), locked 24 months with permanent 15% alumni discount. Hosted DNS
Key features	Keeps only what needs you in inbox Dates go in your calendar Reads attached school letters Works with multiple Gmail accounts Shared briefings Works with existing labels and filters Runs entirely on your Mac	Monitor 9 email authentication protocols including DMARC, SPF, DKIM, BIMI, MTA-STS, TLS-RPT, ARC, DANE, and ARF Identify 170+ named senders automatically instead of showing raw IP addresses Step-by-step remediation guidance with service-specific fixes for 28+ email services Compliance scoring with A-F grades and exportable PDF audit reports DMARC policy enforcement workflow from p=none through p=quarantine to p=reject Look-alike domain scanner to detect typosquatting and phishing domains Anomaly detection with alerts via email, Slack, Teams, or webhooks REST API access and 17 MCP tools for AI-powered monitoring PCI DSS v4.0.1 and NIS2 compliance evidence generation
What makes it different	Email stays entirely on your Mac with no servers Pay once, no subscription AI runs on device using Apple Intelligence Works with Google Workspace and personal Gmail	7 core email authentication protocols free; all 9 from Pro tier, while competitors gate basic protocols behind premium plans Actionable step-by-step remediation guidance instead of monitoring dashboards alone Transparent per-domain pricing published on the website with no hidden quote-based pricing RFC-strict implementations with no shortcuts to standards compliance Bootstrapped company with no compromise on free tier or data monetization
Community votes	0	0
DR (Domain Rating by Ahrefs)	6 no change since last check	28 +1 (up) since last check
Trust Flow (Majestic)	0	9
Citation Flow (Majestic)	12	36
Referring domains (Majestic)	3	303

6 details filled in for both companies.

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