Postmark
postmarkapp.comApplication email with distinct transactional and broadcast message streams
Application email with distinct transactional and broadcast message streams
Email and SMS campaign software with visual scenarios and relational contact data
Newsletter campaigns and visual email automations with a permanent small-list plan
Email campaigns with audience segments and suppression lists
Commerce email targeting with purchase-based recommendations and customer-specific coupons
Email and SMS campaigns with connected automation scenarios and contact updates
Newsletters, RSS updates and automated journeys priced by sending volume
Envelope budgeting with email-alert imports and a companion household seat
Self-hosted email operations with separate administrator and customer controls
Newsletter and lifecycle workflows that send through the team's own SMTP provider
Transactional email and campaigns with separate content and metadata retention settings
Email newsletters and welcome messages for small businesses
WordPress newsletters using site content and subscriber behavior
Paid email accounts with a documented encryption-centered design
Email delivery with message tracking and bounce controls
Retail email campaigns with reusable language variants
Watch sending IP and domain reputation across email blacklists and Microsoft SNDS.
Publish newsletters on the web and in subscribers' inboxes
Campaigns and automations sharing capacity through separate sending queues
Outgoing email relay with separate message and data quotas
Commerce retention journeys with explicit pause and version-transition choices
Business email discovery with verification statuses and list exports
AI email assistant that organizes, writes, searches and schedules from prompts
AI-powered platform for email, SMS, WhatsApp, CRM, and marketing automation.