Policy

Do not check e-mail address against address of certificates being used

This policy setting controls whether Outlook verifies the user's e-mail address with the address associated with the certificate used for signing. If you enable this policy setting, users can send messages signed with certificates that do not match their e-mail addresses. If you disable or do not configure this policy setting, Outlook verifies that the user's e-mail address matches the certificate being used for signing.

Policy
Pack Microsoft Office
Category Microsoft Outlook 2016 / Security / Cryptography
Policy ID 277cfca3b00a
Internal name L_Donotcheckemailaddressagainstaddressofcertificatesbeingusing

Registry

Copy registry mappings

HKCU\software\policies\microsoft\office\16.0\outlook\security\supressnamechecks (enabled) = 1
HKCU\software\policies\microsoft\office\16.0\outlook\security\supressnamechecks (disabled) = 0

Policy notes

This policy setting controls whether Outlook verifies the user's e-mail address with the address associated with the certificate used for signing. If you enable this policy setting, users can send messages signed with certificates that do not match their e-mail addresses. If you disable or do not configure this policy setting, Outlook verifies that the user's e-mail address matches the certificate being used for signing.

Related policies

Always use TNEF formatting in S/MIME messagesCheck for the user's private key when the user sends an encrypted email that includes the user as a recipientDo not display 'Publish to GAL' buttonDo not provide Continue option on Encryption warning dialog boxesEnable Cryptography IconsEnable Retrieval of Remote Certificate Authority InformationEncrypt all e-mail messages