On 16.8.2010, at 22.11, Henrique Fernandes wrote: > Does dsync mirror follow up flags ? There's no such standard flag in IMAP. Are you sure your client even sends it to IMAP server? It would show up as a keyword. You can check it by talking IMAP directly: telnet localhost 143 a login user pass b select INBOX c fetch 1:* flags Is it there? What is it called?