Dear Lars,
still thanks your attention.
For 3, I noticed that "article_attachment.artcle_id" match the folder in file system, but not all of them save in file system. What's that meaning? How the OTRS find where the attachment is ?
> for 1, I keep the old attchment in DB. These tickets forwardThen I´m afraid I have no other idea what could be the problem...
> fine.