This article contains details of the as2.messagexchange.com certificate - used by some connections for AS2 signing.

Affected:

• Some AS2 connections use this for signing
• Note: we are currently introducing this certificate for AS2 connections. Some older connections use other certificates. If you are not sure, please ask our team to advise.
• Some clients may have their systems configured to use this certificate to validate AS2 signatures. If so, you may need to make changes when this certificate changes
• The certificate chain may also change, and you may need to check that your system has the relevant intermediate and root certificates.

Not affected:

• Web browser users are not affected by any changes to this certificate
• Our HTTPS SSL endpoints are not affected by this certificate

Forthcoming/Recent changes:

2025-12-11 10:00 AEDT - this certificate is scheduled to be replaced

• The new certificate details are provided below

Certificate details and download: