Step 3: Configure
the Exchange mailbox stores to support
S/MIME messages
By default Exchange 2003
mailbox stores are set to support S/MIME
messages, however, in some cases this
setting might have been turned off.
If not
already configured, to allow the mailbox
stores to support S/MIME messages please
perform the following steps:
-
Open the
Exchange System Manager.
-
Expand
Administrative Groups > First
Administrative Group > Servers >
Your Server Name > First Storage
Group > Mailbox Store (Server
Name). Right-click the mailbox
store and select Properties.
-
On the
Properties tab, check that the
Clients support S/MIME signatures
check box is selected.
-
Repeat the above
steps for every mailbox store on
that server, and also for any other
mailbox stores found on any of your
other Exchange servers.
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