EWS: Retrieving attachments from signed emails
问题 I have a C# program that manages a resource mailbox by retrieving attachments and categorizing emails into sub-folders. An issue came up recently where the client wishes to send us signed emails, so when the program retrieves their attachments a file named "smime.p7m" is saved instead of the file attachments. This file is not present when reviewing the email in Outlook, only the attachments we want. However, when stepping through the code, the attachments listed in the Email object only