Works with
Apps that work with Postmark
9 of the 7721 tools in this directory name Postmark among their integrations.
A listing names up to eight integrations, so a tool that is not here may still connect to Postmark. Check its own site before you rule it out.
Postmark is listed here tooFree plan · from $15/mo · pricing, plans and platformsEmail Sending Services
- CourierNotification and messaging API across email, SMS, push and chatFree plan
- KnockCross-channel notification and messaging workflows for productsFree plan · from $250/mo
- WP Mail SMTPWordPress plugin that routes site email through an SMTP providerFree plan · from $99/yr
- FluentSMTPFree WordPress plugin for sending site email through your providerFree
- Post SMTPWordPress SMTP plugin with email logs, alerts and backup mailersFree plan
Email Marketing & Newsletters
- MailcoachEmail campaigns priced by emails sent, hosted or self-hostedFree trial · from $9.99/mo
- KeilaOpen-source newsletter tool, self-hosted or EU-hosted cloudFree plan · from €8/mo
- AcelleMailSelf-hosted email marketing software sold as a one-time licenseFrom $80 one-time
- SendPortalOpen-source, self-hosted email marketing built on LaravelFree
Common questions
- Which email sending services work with Postmark?
- Courier, Knock, WP Mail SMTP, FluentSMTP and Post SMTP name Postmark among their integrations. A listing names up to eight, so others may connect to it too.
- Which email marketing and newsletter tools work with Postmark?
- Mailcoach, Keila, AcelleMail and SendPortal name Postmark among their integrations. A listing names up to eight, so others may connect to it too.
- When was this checked?
- Each tool's listing shows its own date. On this page they run from Oct 17, 2026 to Nov 13, 2026. Integrations are added and withdrawn without notice, so confirm on the tool's own site.