Postmark
Transactional email delivery service with high deliverability, templates, message streams, suppression lists, and detailed analytics.
Free account. No credit card required.
Three ways to use Postmark
Ask your specialist
Pull data, take actions, or answer questions with this integration, right in a conversation.
Build a workflow
Create automated workflows that trigger on events, run on a schedule, or chain multiple tools together.
Power an app
Use this integration as a data source or action layer behind a dashboard, form, or internal tool.
Supported tools
Actions your AI agents can perform with Postmark.
Activate Bounce
Reactivate a previously hard-bounced address so emails can be sent to it again.
Archive Message Stream
Soft-delete a message stream; permanent deletion happens 45 days later.
Check Spam Score
Run a raw email source through SpamAssassin to get a spam score and report (separate service, no auth).
Create Inbound Rule
Create an inbound rule to block emails from a specific sender address or domain.
Create Message Stream
Create a new Transactional or Broadcasts message stream.
Create Suppressions
Add up to 50 email addresses to a stream's suppression list (ManualSuppression).
Get started automating Postmark
Ready-to-use workflows