.. _s3_object_id_format: ========================== S3 Object ID Format ========================== URI Path we write to: ``////`` ============================= ==================================================================================== = From URL config [optional; empty if not specified] = Either from URL hostname or URL "bucket=" query parameter = From mail_location setting. Recommended value (see XXX) gives two levels of dispersion of the format: [0-9a-f]{2}/[0-9a-f]{3} = Dovecot internal path to file. Example: $user/mailboxes/$mailboxguid/$messageguid ============================= ==================================================================================== ================ ======================================================= $user = Dovecot unique username (installation defined) $mailboxguid = 32 byte randomly generated UID defining a mailbox $messageguid = 32 byte randomly generated UI defining a message blob ================ =======================================================