imapfilter: imapfilter (a mail filtering utility) imapfilter: imapfilter: IMAPFilter is a mail filtering utility. It connects to remote mail imapfilter: servers using the Internet Message Access Protocol (IMAP), sends imapfilter: searching queries to the server and processes mailboxes based on the imapfilter: results. It can be used to delete, copy, move, flag, etc. messages imapfilter: residing in mailboxes at the same or different mail servers. The imapfilter: 4rev1 and 4 versions of the IMAP protocol are supported. imapfilter: imapfilter: IMAPFilter uses the Lua programming language as a configuration and imapfilter: extension language.