Re: [Dovecot] on dovecot quota.

A "delete" operation in many clients means that the mail is copied to Trash mailbox and then expunged from the original mailbox. This means that the delete operation will fail if user is already over quota. If you wish to make this work, you can use ignore setting, which doesn't count the quota at all for the given mailbox:

So I should turn the quota check off for the given mailbox? Sorry if I don't understand.