SecureBlackbox Knowledge Base

Recent MIME Articles

If I specify the headers for DomainSigner, the message can't be validated by Yahoo. Why?

The headers should be specified in the same order as they are placed in the message. Otherwise, some validators will fail.…

Signed messages with attachments in Microsoft Exchange

A signed message with an attachment is reported as containing an invalid signature when processed by Microsoft Exchange. The integrity of the message is supposed to not be broken. What's wrong?