Because many of our products such as GETURI and MAILTOOL use Secure Sockets Layer (SSL) and/or Transport Layer Security (TLS), this site was created so that it would be easier for users to solve issues regarding SSL or TLS.
The most common error received is "Not Trusted" which is a return code of 23. This normally means that you will need to import one or more Certificate Authorities (CAs) into the *SYSTEM store of your IBM i (System i, iSeries, AS/400) using Digital Certificate Manager (DCM).
NEW: Recently IBM has updated DCM and we are creating new documentation for that. The first section will be the new DCM, and the second section will be for the old version.