This table is filled only if the store_raw_mail entry is set to true in the manitou-mdx configuration file. When it is, each incoming message is inserted in its original form as a binary large object, in addition to the other tables, mail, header, ...
Structure of raw_mail
mail_idinteger
Unique identifier of the mail message.
REFERENCES mail
mail_textoid
The large object identifier pointing to the raw pristine contents of the mail message.