Moving mail to Zimbra server using imapsync

If you attempt moving mail using imapsync to a Zimbra server, the first error you are likely to get is:

Host mydomain.com says it has NO CAPABILITY for AUTHENTICATE CRAM-MD5

You can fix this quite quickly by adding –noauthmd5

So, that’s fixed but Zimbra still isn’t going to let you connect. You’ll get another error that says:

Error login: [mydomain.com] with user [user@mydomain.com] auth [LOGIN]: 2 NO cleartext logins disabled

To fix this one you need to enable clear text logins on the Zimbra admin panel. There’s a checkbox under the IMAP section of Server Settings. Except it’s greyed out and doesn’t work.

What you actually need to do is logon to your server, make sure you are running as the Zimbra user (su zimbra) and then execute the following command:

zmprov mcf zimbraImapCleartextLoginEnabled TRUE

Done. Run imapsync again it hopefully it will work.