Forum Discussion
Title: Expose SHA-256 or SHA-1 for Mail Attachments in Microsoft Graph
Problem Email attachments in Graph don’t include a content hash. To identify or match attachments, developers have to download the entire file first. That wastes bandwidth and time and increases exp...
Would it be useful to capture the SHA-1 hash or SHA-256 hash of attachments into SharePoint columns when an email is stored in SharePoint?
Reason for asking: we develop solutions to extract properties (Subject, Sent date, attachment names, attachments, unique words in each attachment, message-id, references, ...) from emails in SharePoint and capture the values into SharePoint columns. It is possible to extend the functionality to also capture the SHA-1 or SHA-256 for each attachment. The values can then be consumed by graph api or rest api or using search.