Poste / contact
Contact
General enquiries and partnerships: hello@poste.sh.
Abuse reports (spam, phishing, or misuse of an address on our domains): abuse@poste.sh. Reports are monitored and acted on; sending from a mailbox can be suspended while receiving continues.
Security disclosures: security@poste.sh, also listed in security.txt.
Poste is operated by Poste. Our sending domains are published so that receivers can verify and, if they choose, filter them. For API questions, the documentation is the fastest path.