Postmark is a transactional email delivery service that community builders use to send automated member welcome emails, password resets, event notifications, and community alerts. With industry-leading deliverability rates and sub-second delivery speeds, it ensures critical community communications reach member inboxes reliably. The platform offers detailed analytics to track email performance and supports custom domains for branded community communications.
Founded
2009
Team Size
16
14%
Funding
Venture
0Monthly Traffic
549,800
4%
Member Welcome Sequences
Send automated welcome emails, onboarding sequences, and community guidelines to new members with reliable delivery
Community Notifications
Deliver time-sensitive alerts like event reminders, forum replies, and member mentions with sub-second speed
Account Management Emails
Handle password resets, email verification, and subscription confirmations for community platforms and membership sites
Event Communication
Send event registration confirmations, reminders, and follow-up emails for community events and meetups
Physical greeting card service for community builders to send personalized cards, gifts, and event invitations to members
Email marketing platform for community newsletters, member onboarding sequences, and automated engagement campaigns
Email and SMS marketing platform used by community builders for member newsletters and automated campaigns.

Multi-channel notification infrastructure for sending automated member communications via email, SMS, Slack, and in-app

Email marketing automation platform that community builders use for member onboarding, event follow-ups, and engagement workflows

Automates personalized gifting and swag fulfillment for community member recognition and engagement campaigns