There are several instances when organizations opt for Zimbra to Mailcow migration. However, both the Zimbra and Mailcow servers do not provide any direct solution to do so.  Both Zimbra and Mailcow are email servers but are a little bit different in their tech stack. Zimbra follows the old-school configuration techniques. On the other side Mailcow is a robust future-sighted application that works on the principle of docker. Due to its advanced technology and easy management users are migrating from Zimbra to Mailcow. Another reason for this may be the open-source free-of-cost availability of the Mailcow server.

There are no DIY techniques available to proceed with the Zimrba to Mailcow migration we need to depend upon third-party solutions like the Zimbra converter. You may get more detailed insight into the topic on the blog post Zimbra to Mailcow migration a detailed guide.