[Dovecot] Best practices to migrate from mbox to Maildir++ and also changing the deliver method

Greetings.

Im about to move from mbox to Maildir++ and change the deliver method from procmail. I have less than 100 accounts, but there's a lot of mail (around 16GB)

Apart from the documentation on Dovecot's site, anyone has good recommendations, and, if you have experience doing this migration any tips?

Thanks for any info, and wishing you all a nice week

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Julio C. Ortega ONUVA http://www.onuva.com