Blog Post

Outlook Global Customer Service & Support Team Blog
2 MIN READ

Recommended SMIME algorithm settings for modern Outlook builds

Thomas_Noack's avatar
Thomas_Noack
Icon for Microsoft rankMicrosoft
Jul 14, 2022
To take advantage of the best security available when using SMIME for email, you must configure Outlook to use modern algorithm settings. This post explains how ensure you are using these modern algo...
Updated Jul 14, 2022
Version 1.0
Encrypted Email
support
troubleshooting
JonathanSH's avatar
JonathanSH
Copper Contributor
Mar 25, 2025

All well in good, except it requires the user to delete their S/MIME Profile and create a new one AND Publish to GAL still uses SHA-1 when creating the value for UserSMIMECertificate! Grrr.