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Postal vs Sently

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 Sently
DetailPostal logo PostalSently logo Sently
What it doesOpen source mail delivery platform for incoming and outgoing email Transactional email API for developers to send emails from their own domain with a simple REST API
StageNot given Not given
FoundedNot given Not given
Based inNot given IN
Pricing modelOpen source Freemium
PricingNot given Free plan: 3,000 emails/month, 1 client, 1 domain, 150 emails/day, no webhooks. Starter: ₹1,599/month for 40,000 emails/month, 10 clients, 3 extra people per client, 3 webhooks. Growth: ₹5,599/month for 100,000 emails/month, 1,000 clients, 10 extra people per client, 2 domains per client, 10 webhook
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
  • Batch sending up to 100 emails at once
  • Email templates with placeholder variables
  • Real-time webhooks for delivery, open, click, bounce and complaint events
  • Automatic bounce and complaint handling
  • Idempotency keys to prevent duplicate sends
  • Support for multiple domains and clients
  • Multiple team members per client on paid plans
  • Detailed activity and delivery logs
  • Low-latency REST API in milliseconds
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
  • Send from your own verified domain for better deliverability
  • No per-email charges, only fixed monthly pricing
  • Automatic protection of sender reputation with bounce and complaint handling
  • Safe retries with idempotency to prevent duplicate emails
  • Scalable pricing designed to grow with your SaaS
Community votes00
DR (Domain Rating by Ahrefs)52 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)110
Citation Flow (Majestic)370
Referring domains (Majestic)3310

4 details filled in for both companies.

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