eM Client 11 – Simple MAPI not working with 32-bit Subiekt GT

[cyberzork]

This post by @Filip_Navara might help you

System-wide Simple MAPI failure with eM Client Pro on Windows 11

The new eM Client 11 MSIX packages use system support for redirecting Simple MAPI calls into packaged applications. The relevant registry keys are these ones: [image] Neither HKLM\SOFTWARE\Clients\Mail\eM Client nor HKLM\SOFTWARE\WOW6432Node\Clients\Mail\eM Client is relevant anymore. .mapimail is not in any way related and it’s not our registry keys. I cannot really advise what to check next. The default value in HKEY_LOCAL_MACHINE\SOFTWARE\Clients\Mail should be PackagedMail. The default …