Sockets 无法对authdeamon套接字进行身份验证 我尝试在Gmail帐户中添加SMTP服务器时出错。添加POP3操作正常，但google在尝试添加SMTP时返回此错误：

My mailserver在日志文件中给出此响应：

# tail -f /var/log/exim/main.log

2014-08-13 14:00:41 plain authenticator failed for (mail-ig0-f171.google.com) [209.85.213.171]: 435 Unable to authenticate at present (set_id=123testmail@domain.com): failed to connect to socket /var/spool/authdaemon/socket: Permission denied

默认情况下，套接字的权限如下所示：

# ls -al /var/spool/authdaemon/socket
srwxrwxrwx. 1 root root 0 Aug 13 00:38 /var/spool/authdaemon/socket

此外，在接收电子邮件时，我在进出口银行的日志文件中发现以下错误：

2014-08-13 14:38:19 1XHZGR-0005Il-LD == 123testmail@domain.com R=vdomain T=vmail defer (13): Permission denied: failed to open tmp/1407940699.H500223P20471.mail.domain.com (10 tries)

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服务器在CentOS 6上运行，带有Courier imap

在您的帖子中发布完整的验证器定义。很抱歉，我不明白您的意思。

2014-08-13 14:38:19 1XHZGR-0005Il-LD == 123testmail@domain.com R=vdomain T=vmail defer (13): Permission denied: failed to open tmp/1407940699.H500223P20471.mail.domain.com (10 tries)