Postmark
15 indexed companies publicly name Postmark in a DPA, trust center, subprocessor list, or related first-party document.
Disclosing companies
15
Source relationships
16
Observed since
Jul 13, 2026
Latest evidence
Jul 18, 2026
Which companies disclose Postmark?
Incoming relationships from company-published documents.
AttioGB
Email Delivery · as Postmark
BirdNL
Dashboard - Log management and Analysis software · as Postmark
BrowserStackUS
Email notifications for enterprise customers · as Postmark
ClayUS
Email service provider · as Postmark
CledaraGB
Customer support · as Postmark
ContentsquareFR
Email delivery service · as Postmark
HumaansGB
Transactional emails · as Postmark (ActiveCampaign, LLC; fka Wildbit, LLC)
LinearUS
Email delivery · as AC PM, LLC (Postmark)
MultiverseGB
Engineering · as Postmark
PaddleGB
Email Service · as Postmark
PlainGB
Email processing · as Postmark
SupabaseSG
Communication with Authorized Users in connection with the provision of the Services and support · as Active Campaign, LLC d/b/a Postmark
TextUS
Marketing · as ActiveCampaign, LLC (Postmark)
VEEDGB
Transactional email · as Postmark
WorkOSUS
Email Delivery · as Postmark
Also disclosed as
Aliases retained from the source documents.
Processing locations named
Locations stated across disclosures.
Research another company
Enter a domain to discover its source-linked vendor relationships.