Dovecot v2.3.13 reporting (very) incorrect vsize for some maildir folders

Eirik Rye rye at
Thu May 20 14:08:35 EEST 2021

> On 20 May 2021, at 12:31, Aki Tuomi <aki.tuomi at> wrote:
> Hi!
> Quota will count only virtual size of mails (and not directories) and that will likely never match with du -bs, which counts for things more than just the mail contents.

Right, but the quota/vsize of the folder in my example is calculated by Dovecot to be ~14GB, while the real physical size of the whole directory is ~6.8GB. Dovecot thinks the folder is twice as big than it actually, physically is. :/

- Eirik

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