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在邮箱配额中忽略垃圾箱目录

在 Dovecot 中,针对单个用户的邮箱配额限制定义在下列文件之一:

如果没有针对单个用户的邮箱配额限制,Dovecot 将使用 /etc/dovecot/dovecot.conf 文件中的 quota_rule[X] 设置。例如:

# File: /etc/dovecot/dovecot.conf

plugin {

    quota = dict:user::proxy::quotadict
    quota_rule = *:storage=1G
    #quota_rule2 = *:messages=0
    #quota_rule3 = Trash:storage=1G
    #quota_rule4 = Junk:ignore

    ...
}

因此,要忽略 Trash 目录的邮箱容量,可以在 /etc/dovecot/dovecot.conf/etc/dovecot/dovecot-{mysql,pgsql,ldap}.conf 中增加新的配额规则(quota_rule)。

# File: /etc/dovecot/dovecot.conf

plugin {

    quota = dict:user::proxy::quotadict
    quota_rule = *:storage=1G
    quota_rule2 = Trash:ignore      # <- 新配额规则:忽略 Trash 目录

    ...
}

OpenLDAP 后端:

# File: /etc/dovecot/dovecot-ldap.conf

user_attrs      = ...,mailQuota=quota_rule=*:bytes=%$,=quota_rule2=Trash:ignore

MySQL 或 PostgreSQL 后端:

File: /etc/dovecot/dovecot-mysql.conf, or dovecot-pgsql.conf

user_query = SELECT ... \ CONCAT(':bytes=', mailbox.quota1048576) AS quota_rule \ 'Trash:ignore' AS quota_rule2 \ -- 新配额规则:忽略 Trash 目录 FROM ... ```