Free IMAP and MailDir mailbox synchronizer.
mbsync (formerly isync) is a command line application which synchronizes mailboxes. Currently Maildir and IMAP4 mailboxes are supported. New messages, message deletions and flag changes can be propagated both ways.
1.5.0bin/mdconvertbin/mbsync-get-certbin/mbsyncaarch64-darwinaarch64-linuxaarch64-netbsdarmv5tel-linuxarmv6l-linuxarmv6l-netbsdarmv7a-darwinarmv7a-linuxarmv7a-netbsdarmv7l-linuxarmv7l-netbsdi686-cygwini686-darwini686-freebsdi686-linuxi686-netbsdi686-openbsdloongarch64-linuxm68k-linuxm68k-netbsdmicroblaze-linuxmicroblazeel-linuxmips-linuxmips64-linuxmips64el-linuxmipsel-linuxmipsel-netbsdpowerpc-netbsdpowerpc64-linuxpowerpc64le-linuxriscv32-linuxriscv32-netbsdriscv64-linuxriscv64-netbsds390-linuxs390x-linuxx86_64-cygwinx86_64-darwinx86_64-freebsdx86_64-linuxx86_64-netbsdx86_64-openbsdx86_64-redoxx86_64-solaris