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Sync (migrate) a Dovecot Email Account from One Dovecot Server to Another
Sync (migrate) a Dovecot Email Account from One Dovecot Server to Another
The man doveadm-sync pages are cryptic and not very well explained, as well they are missing quality real-world examples.
This gist aims to give some clarity and explanation.
Here is the command I got to successfully transfer (and sync backwards too) an email account from an old Dovecot email server to a new Dovecot email server:
To my knowledge, both servers must have a matching account already setup for this to work:
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So while looking for information on security keys before getting one myself, I got very confused reading about all the different modes and advertised features of Yubikeys and other similar dongles. The official documentation tends to be surprisingly convoluted at times, weirdly organized and oddly shy about a few of the limitations of these keys (which I'm making a point of putting front and center). Now that I have one, I decided to write down everything I figured out in order to help myself (and hopefully some other people reading this) make sense of all this.
Since I'm partly writing these notes for myself, there might be some back and forth between "exp