vba - How do I check for the presence of a valid email (digital) signature attached to an Outlook MailItem (email message)? -



vba - How do I check for the presence of a valid email (digital) signature attached to an Outlook MailItem (email message)? -

is there way

retrieve digital signature attached mailitem using vba? verify validity using vba?

i'm pretty much limited vba in regard. i've tried inspecting sender , mailitem objects can't see signature object.

outlook represents signed/encrypted messages regular ipm.note mailitem objects. goes far returning false imessage mapi interface mailitem.mapiobject property.

you can see in outlookspy - select signed message, click imessage button on outlookspy ribbon. pr_message_class ipm.note. select pr_entryid property, right click, select imapisession::openentry. real message pr_message_class = ipm.note.smime.multipartsigned. can see attachment contains data.

you pretty much limited extended mapi (c++ or delphi only) or redemption (any language - wraps extended mapi) if want distinguish signed/encrypted message regular ones. redemption exposes rdoencryptedmessage object. can retrieve rdosession.getmessagefromid using entry id retrieved mailitem.entryid property in oom.

vba email outlook

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