环境

CentOS 6
iRedMail 0.9.8

Outlook 错误：554 5.7.1

其他设置 - 发送服务器 - 勾选我的发送服务器（SMTP）要求验证

Outlook 错误：登录失败

检查防火墙，查看 IP 是否被禁止

iptables -L -n

移除Fail2ban中被禁止的IP

iptables -D f2b-NoAuthFailures -s ip -j REJECT
iptables -D f2b-postfix -s IP地址 -j REJECT
iptables -D f2b-dovecot -s IP地址 -j REJECT
iptables -D f2b-dovecot -s IP地址 -j REJECT

Postfix warning: /var/spool/postfix/etc/resolv.conf and /etc/resolv.conf differ

复制 /etc/resolv.conf到/var/spool/postfix/etc/ 中，替换 resolv.conf 文件，命令：

\cp -f /etc/resolv.conf /var/spool/postfix/etc/reslov.conf

postfix/postfix-script: warning: /var/spool/postfix/etc/localtime and /etc/localtime differ
postfix/postfix-script: warning: /var/spool/postfix/etc/services and /etc/services differ

Delta RPMs disabled because /usr/bin/applydeltarpm not installed

yum provides '*/applydeltarpm'
yum install deltarpm

以下提示可等待

Public key for clamav-data-0.99.4-1.el7.noarch.rpm is not installed

Downloading packages:
No Presto metadata available for base
No Presto metadata available for SOGo

QQ 邮箱-安卓 POP3 连接失败 提示账号或者密码错误 或者 POP 连接失败

编辑 dovecot 配置文档

vim /etc/dovecot/dovecot.conf

修改

disable_plaintext_auth = yes

为

disable_plaintext_auth = no

重启dovecot服务

systemctl restart dovecot

Outlook 错误：Plaintext authentication disallowed on non-secure (SSL/TLS) connections

参考上一个问题，修改 disable_plaintext_auth=no
且修改 ssl=required 为 ssl=yes

-bash: dig: 未找到命令

yum install -y bind-utils

灰名单

cd /opt/iredapd/tools/

python spf_to_greylist_whitelists.py outlook.com microsoft.com 126.com 163.com qq.com foxmail.com
python spf_to_greylist_whitelists.py gmail.com outlook.com microsoft.com 126.com 163.com qq.com foxmail.com hotmail.com

备份

mount -o username=Back,password=123456 //IP地址/ServerBack /mnt/Back

tar cvpzf /mnt/Back/Backup.tgz --exclude=/proc --exclude=/lost+found --exclude=/mnt --exclude=/sys /