Hi, i try to configure quota in dovecot. 1) I test quota with postfix and quota-status : quota is respected but quota grace is ignored... 2) i test quota with Dovecot LMTP : quota (and quota grace) are ignored i can see in log file : Jun 30 11:36:39 mail1 dovecot: lmtp(24424, sallemantest at test.fr): Debug: Quota root: name=User quota sallemantest at test.fr backend=count argsJun 30 11:36:39 mail1 dovecot: lmtp(24424, sallemantest at test.fr): Debug: Quota rule: root=User quota sallemantest at test.fr mailbox=* bytes=1073741824 messages=0 Jun 30 11:36:39 mail1 dovecot: lmtp(24424, sallemantest at test.fr): Debug: Quota rule: root=User quota sallemantest at test.fr mailbox=Trash bytes=+104857600 messages=0 Jun 30 11:36:39 mail1 dovecot: lmtp(24424, sallemantest at test.fr): Debug: Quota grace: root=User quota sallemantest at test.fr bytes=107374182 (10%) Jun 30 11:36:39 mail1 dovecot: lmtp(sallemantest at test.fr): Debug: replication: Replication requested by 'transaction commit', priority=2 Jun 30 11:36:39 mail1 dovecot: lmtp(sallemantest at test.fr): /z7gBifodFdoXwAAs3/TQA: msgid=<fdf98d16-c557-4e15-42a6-ea019a3bae1e at math.u-bordeaux.fr>: saved mail to INBOX Jun 30 11:36:39 mail1 dovecot: lmtp(24424): Disconnect from 127.0.0.1: Successful quit my quota : root at mail1:~# doveadm -v quota get -u sallemantest at test.fr Quota name Type Value Limit % User quota sallemantest at test.fr STORAGE 29 10 290 User quota sallemantest at test.fr MESSAGE 11 - 0 my config for lmtp and quota : protocol lmtp { mail_plugins = " acl notify replication quota sieve" userdb { args = /etc/dovecot/dovecot-lmtp-ldap-userdb.conf.ext default_fields = uid=vmail gid=vmail driver = ldap name } } plugin { quota = count:User quota %u quota_grace = 10%% quota_rule = *:storage=1G quota_rule2 = Trash:storage=+100M quota_vsizes = yes } root at mail1:/etc/dovecot# dovecot --version 2.2.24 (a82c823) Help please ! Sylvain ps : sorry for my poor english