自己上午搭建好NETDATA并配置好Telegram预警后就尝试了一下配置EMAIL，教程如下！

• 我这里用的DOCKER搭建的，如非docker以下教程仅作参考！

• 官网参考地址 | https://learn.netdata.cloud/docs/agent/health/notifications/email

请参考NETDATA

这个没啥好说的!我自己用域名搭建了了一个邮件服务器！如果是其它邮件请自行搜索！这里的配置是不能有SSL协议的，docker里面的cert有问题！

• 私人邮箱搭建教程

注意替换为你自己服务器分配的CONTAINER　ID

docker ps
docker exec -it bab6e102f429 /bin/bash

vi /root/.msmtprc

• 配置文件参考（请按照配置说明和自己服务器情况自行更改，不要做只会从copy的脑残）如下:

原参考地址https://marlam.de/msmtp/msmtprc.txt

# Example for a user configuration file ~/.msmtprc
#
# This file focusses on TLS and authentication. Features not used here include
# logging, timeouts, SOCKS proxies, TLS parameters, Delivery Status Notification
# (DSN) settings, and more.


# Set default values for all following accounts.
defaults

# Use the mail submission port 587 instead of the SMTP port 25.
port 587

# Always use TLS.
tls on

# Set a list of trusted CAs for TLS. The default is to use system settings, but
# you can select your own file.
#tls_trust_file /etc/ssl/certs/ca-certificates.crt


# A freemail service
account freemail

# Host name of the SMTP server
host smtp.freemail.example

# As an alternative to tls_trust_file, you can use tls_fingerprint
# to pin a single certificate. You have to update the fingerprint when the
# server certificate changes, but an attacker cannot trick you into accepting
# a fraudulent certificate. Get the fingerprint with
# $ msmtp --serverinfo --tls --tls-certcheck=off --host=smtp.freemail.example
#tls_fingerprint 00:11:22:33:44:55:66:77:88:99:AA:BB:CC:DD:EE:FF:00:11:22:33

# Envelope-from address
from [email protected]

# Authentication. The password is given using one of five methods, see below.
auth on
user joe.smith

# Password method 1: Add the password to the system keyring, and let msmtp get
# it automatically. To set the keyring password using Gnome's libsecret:
# $ secret-tool store --label=msmtp \
#   host smtp.freemail.example \
#   service smtp \
#   user joe.smith

# Password method 2: Store the password in an encrypted file, and tell msmtp
# which command to use to decrypt it. This is usually used with GnuPG, as in
# this example. Usually gpg-agent will ask once for the decryption password.
passwordeval gpg2 --no-tty -q -d ~/.msmtp-password.gpg

# Password method 3: Store the password directly in this file. Usually it is not
# a good idea to store passwords in cleartext files. If you do it anyway, at
# least make sure that this file can only be read by yourself.
#password secret123

# Password method 4: Store the password in ~/.netrc. This method is probably not
# relevant anymore.

# Password method 5: Do not specify a password. Msmtp will then prompt you for
# it. This means you need to be able to type into a terminal when msmtp runs.


# A second mail address at the same freemail service
account freemail2 : freemail
from [email protected]


# The SMTP server of your ISP
account isp
host mail.isp.example
from [email protected]
auth on
user 12345


# Set a default account
account default : freemail

• 我的配置

defaults
port 465
tls off
account freemail
host xxx.
from [email protected]
auth login  # 这里不能用on,否则会报错
user [email protected]
password xxxxxxxxxx
account default : freemail

msmtp [email protected]

请注意替换为你收件邮箱，回车后输入发送内容，按CTRL+D发送。若邮件接收成功则配置成功，若失败则有相关提示信息！

• 修改配置文件

vi /etc/netdata/health_alarm_notify.conf

• 把sendmail的参数指向msmtp

sendmail="/usr/bin/msmtp"

• 配置收件人信息 | 如下图

• 更改msmtprc的文件权限

chmod 600 ~/.msmtprc

如收到相关邮件则配置成功！

# enable debugging info on the console
export NETDATA_ALARM_NOTIFY_DEBUG=1

# send test alarms to sysadmin
/usr/libexec/netdata/plugins.d/alarm-notify.sh test

# send test alarms to any role
/usr/libexec/netdata/plugins.d/alarm-notify.sh test "ROLE"

经过一晚上的观察，发现邮件提醒虽然测试能够使用，但实际没法正常工作，后续找到了解决办法！具体原因不详，都弄一下吧!

• 参考地址 | https://github.com/netdata/netdata/issues/5721

• 以root身份进入docker

docker exec -it --user root <container id> /bin/bash

• 更改配置文件为644(官方教程为600，具体没测试)

chmod 644 ~/.msmtprc

• 复制配置文件

cp ~/.msmtprc /etc/msmtprc

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