Postmark

postmarkapp.com ↗

Disclosed by 95 companies

Matter
Service emails

United States

“Postmark: Service emails (USA)” source · checked Oct 24, 2026
Medallia
Email routing and delivery

United States

“Postmark (Wildbit, LLC) USA Provides email routing and delivery services.” source · checked Oct 24, 2026
Mediafly
Email notifications

“Postmarkapp | Email notifications” source · checked Oct 24, 2026
Migrate Guru
Transactional communications

“Postmark” source · checked Oct 24, 2026
Nectar HR
Emailing services

United States

“AC PC, LLC” source · checked Oct 24, 2026
Oneflow
Transactional email service

United States

“Postmark (ActiveCampaign, LLC) Transactional email service.” source · checked Oct 24, 2026
OpenProject
Sending of email messages

United States

“Wildbit LLC – Postmark | Sending of email messages” source · checked Oct 24, 2026
Osano
Customer communications

United States

“Postmark | Customer communications | United States” source · checked Oct 24, 2026
Paddle
Transactional email service

United States

“Postmark” source · checked Oct 24, 2026
Perdoo
Email infrastructure service (transactional / system mails)

United States

“Postmark | 2400 Market Street, Suite 235B, Philadelphia, PA 19103, USA | Email Infrastructure Service” source · checked Oct 24, 2026
Plain
Email infrastructure

United States

“Postmark” source · checked Oct 24, 2026
Plausible Analytics
Transactional emails and email reports

“Postmark: transactional emails and email reports.” source · checked Oct 24, 2026
PowerSchool
Email Communications

United States

“PostMark | Email Communications | United States” source · checked Oct 24, 2026
Product Fruits
Emailing in connection with services

United States

“AC PM LLC (Postmark)| Emailing in connection with services” source · checked Oct 24, 2026
PromoteKit
Transactional email and notification delivery

“Postmark — transactional email and notification delivery.” source · checked Oct 24, 2026
Proposify
Cloud-based email notification services

United States

“PostMark|Cloud-based Email Notification Services” source · checked Oct 24, 2026
Pusher
Dashboard - log management and analysis software

United States

“Push Channels & Beams (Pusher) | Postmark | Dashboard - Log management and Analysis software | USA” source · checked Oct 24, 2026
Pylon
Email

United States

“Postmark | Email | USA” source · checked Oct 24, 2026
Quaderno
Email delivery service

United States

“AC PM, LLC.” source · checked Oct 24, 2026
Railway
Email Processing

United States

“Postmark | Email Processing” source · checked Oct 24, 2026
Reachdesk
Email notifications to customers and platform emails

United States

“Postmark, (Wildbit, LLC)” source · checked Oct 24, 2026
Rewardful
Engineering

United States

“Postmark • Engineering” source · checked Oct 24, 2026
RingCentral
Email delivery

United States

“PostMark Subprocessor List > Purpose of Processing Email delivery” source · checked Oct 24, 2026
Salsify
Email delivery service

United States

“Postmark (AC PM, LLC) | Email delivery service” source · checked Oct 24, 2026
SatisMeter
Sending transactional emails

“Postmark” source · checked Oct 24, 2026
SavvyCal
Transactional email

“Postmark (AC PM LLC) Purpose: Transactional email” source · checked Oct 24, 2026
Seline
Transactional email

“Postmark Transactional email” source · checked Oct 24, 2026
ServiceM8
Purpose not stated

“Postmark” source · checked Oct 24, 2026
Shine
Automated service e-mails to customers, e.g. confirmation of submitted material, invoices etc

United States

“Postmark by ActiveCampaign, LLC” source · checked Oct 24, 2026
SignWell
Transactional email communication

“PostMark (ActiveCampaign)” source · checked Oct 24, 2026
Softr
Sending emails

United States

“ActiveCampaign, LLC (DBA Postmark) USA Sending emails” source · checked Oct 24, 2026
Sprout Social
Inbound email API

United States

“Postmark (ActiveCampaign, LLC)” source · checked Oct 24, 2026
SuiteDash
Email delivery

“Postmark — email delivery” source · checked Oct 24, 2026
Supabase
Communication with Authorized Users in connection with provision of the Services and support

United States

“ActiveCampaign, LLC (d/b/a Postmark)” source · checked Oct 24, 2026
Supademo
Transactional email delivery

“Postmark (Wildbit LLC) | Transactional email delivery” source · checked Oct 24, 2026
Tackle
Customer email and marketing

United States

“Postmark | Customer email and marketing” source · checked Oct 24, 2026
Tellent Recruitee
Email delivery platform

Global

“Postmark | Email Delivery Platform | Worldwide” source · checked Oct 24, 2026
Textmagic
Email delivery

“Email delivery service providers, including Postmark” source · checked Oct 24, 2026
Twilio
Postmark Routes, transmits, and delivers of outbound email communications

United States

“Postmark | Stytch by Twilio | Postmark Routes, transmits, and delivers of outbound email communications for specific Twilio Products and Services” source · checked Oct 24, 2026
UpGuard
Email delivery service

United States

“PostMark (ActiveCampaign) | Email delivery service | United States” source · checked Oct 24, 2026
Userflow
Engineering

“Postmark” source · checked Oct 24, 2026
Vertice
Transactional emails

United States

“Active Campaign, LLC (Postmark) Transactional Emails United States” source · checked Oct 24, 2026
WorkOS
Email delivery

United States

“Postmark” source · checked Oct 24, 2026
zcal
Transactional email

“Postmark Purpose: Transactional email” source · checked Oct 24, 2026
ZITADEL
Transactional emails (optional)

United States

“Postmark (AC PM LLC) • [Zitadel Cloud] Transactional emails (Optional)” source · checked Oct 24, 2026