我无法弄清楚我错过了什么。我正在设置一个新的邮件服务器，每次收到电子邮件时都会出现此错误。
用户在群邮件内
mail:x:8:dovecot,user.name
perms 目录在这里 /var/mail
drwxrwsr-x 3 root mail 4096 nov 11 12:20 mail/
这是 dovecot 配置
# 2.2.22 (fe789d2): /etc/dovecot/dovecot.conf
# Pigeonhole version 0.4.13 (7b14904)
# OS: Linux 4.4.0-47-generic x86_64 Ubuntu 16.04.1 LTS ext4
auth_mechanisms = plain login
mail_location = mbox:/var/mail/%u
namespace inbox {
inbox = yes
location =
mailbox Drafts {
special_use = \Drafts
}
mailbox Junk {
special_use = \Junk
}
mailbox Sent {
special_use = \Sent
}
mailbox "Sent Messages" {
special_use = \Sent
}
mailbox Trash {
special_use = \Trash
}
prefix =
}
passdb {
driver = pam
}
protocols = " imap pop3"
service auth {
unix_listener /var/spool/postfix/private/auth {
group = postfix
mode = 0660
user = postfix
}
}
ssl = no
userdb {
driver = passwd
}