How To Migrate Mailboxes Between IMAP Servers With imapsync

[ Thanks to Falko Timme for this link. ]

"1 Preliminary Note
I'm using two Debian or Ubuntu servers here (the procedure should be the same for other distributions, only the installation of imapsync will differ):

server1.example.com (source)
server2.example.com (target)

"I want to migrate the mailbox sales@example.com (username: sales@example.com, password: secret) on server1.example.com to the mailbox sales@example.com on server2.example.com (username and password are the same as on server1.example.com).

"2 Before We Start
Before we start, let's take a look at both mailboxes to see what's in them (you can do this with an email client such as Outlook, Thunderbird, or a web-based email client such as SquirrelMail - I'm using SquirrelMail here)."

Complete Story

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