- Zimbra Collaboration 9.0.0 now available. Read the release notes.
- Zimbra Collaboration 8.8.15 LTS now available. Read the release notes.
- Are you a Zimbra Developer? You can find some interesting stuff in our Official GitHub, Blog and the Community Github.
- Zimbra is Open Source! Read the FAQ. You can also contribute and build binary from source!
Post feedback about our hosted demo or your local install. Tell us what you love and/or what you’d like to see added in the future.
Try disabling DNS lookups in the MTA and routing mail through a relay host (in the admin UI) - it's likely that postfix can't find an MX record for your domain.
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