Jo a jinak Zimbra to samozrejme umi, lze pridavat externi POP3/IMAP ucty - v UI v Preferences-Accounts-Add External Account nebo v CLI:
zmprov createDataSource usuario@example.com.br pop3 'Pop3External' zimbraDataSourceHost 'pop3.example.com.br' zimbraDataSourcePort 110 zimbraDataSourceEnabled TRUE zimbraDataSourceUsername 'usuario@example.com.br' zimbraDataSourcePassword 'password' zimbraDataSourceConnectionType 'cleartext' zimbraDataSourceLeaveOnServer TRUE zimbraDataSourceFolderId '2'
zmprov mds usuario@example.com.br Pop3External zimbraDataSourcePollingInterval 5m