- Install Homebrew (if you haven't yet): https://brew.sh/
- Install imapsync:
brew install imapsync
- Sync your mails:
imapsync \
--host1 mail.nine.ch --ssl1 --user1 YOUR.NAME@typo3.org --password1 XXXXX \
--host2 mail.typo3.org --ssl1 --user2 YOUR.NAME@typo3.org --password2 YYYYY
After the sync there will be a logfile in the subfolder LOG_imapsync
.
As the name of the software already states, you can sync multiple times. On the next sync, only new mails are synced.