安装mailx
yum install mailx -y
配置mail.rc
vi /etc/mail.rc
set from="[email protected]"
set smtp=smtps://smtp.163.com:465
set smtp-auth-user=xxxxx
set smtp-auth-password=xxxxx
set smpt-auth=login
#set smtp-use-starttls=true
set ssl-verify=ignore
set nss-config-dir=/root/.certs
生成163 证书
mkdir -p /root/.certs/ ####创建目录，用来存放证书
echo -n | openssl s\_client -connect smtp.163.com:465 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > ~/.certs/163.crt ####向163请求证书
depth=2 C = US, O = GeoTrust Inc., CN = GeoTrust Global CA
verify return:1
depth=1 C = US, O = GeoTrust Inc., CN = GeoTrust SSL CA - G3
verify return:1
depth=0 C = CN, ST = Zhejiang, L = Hangzhou, O = "NetEase (Hangzhou) Network Co., Ltd", OU = MAIL Dept., CN = \*.163.com
verify return:1
DONE
certutil -A -n "GeoTrust SSL CA" -t "C,," -d ~/.certs -i ~/.certs/163.crt ####添加一个证书到证书数据库中
certutil -A -n "GeoTrust Global CA" -t "C,," -d ~/.certs -i ~/.certs/163.crt ####添加一个证书到证书数据库中
certutil -L -d /root/.certs ####列出目录下证书
Certificate Nickname Trust Attributes
SSL,S/MIME,JAR/XPI
GeoTrust SSL CA
测试邮件发送
mailx -v -s 邮箱测试 [email protected] < 163.crt
Resolving host smtp.163.com . . . done.
Connecting to 123.125.xx.133:465 . . . connected.
Comparing DNS name: "\*.163.com"
SSL parameters: cipher=AES-256-GCM, keysize=256, secretkeysize=256,
issuer=CN=GeoTrust SSL CA - G3,O=GeoTrust Inc.,C=US
subject=CN=\*.163.com,O="NetEase (Hangzhou) Network Co., Ltd",L=HangZhou,ST=ZheJiang,C=CN
220 163.com Anti-spam GT for Coremail System (163com\[20141201\])
\>>> EHLO vultr.guest
250-mail
250-PIPELINING
250-AUTH LOGIN PLAIN
250-AUTH=LOGIN PLAIN
250-coremail 1Uxr2xKj7kG0xkI17xGrU7I0s8FY2U3Uj8Cz28x1UUUUU7Ic2I0Y2UFqBWZOUCa0xDrUUUUj
250-STARTTLS
250 8BITMIME
\>>> AUTH LOGIN
334 dXNlcm5hbWU6
\>>> bXVmZW5nNTYxOQ==
334 UGFzc3dvcmQ6
\>>> bXVmZW5nNTYxOQ==
235 Authentication successful
\>>> MAIL FROM:<[email protected]>
250 Mail OK
\>>> RCPT TO:<[email protected]>
250 Mail OK
\>>> DATA
354 End data with <CR><LF>.<CR><LF>
\>>> .
250 Mail OK queued as smtp3,DdGowACHgZ3hrchb2KIvAA--.29S2 1539878374
\>>> QUIT
221 Bye
到此邮件支持就已经完成了
定时任务脚本
tar -czvf blog_$(date +%Y_%m_%d).tar.gz blog solo_h2
echo "博客备份"| mailx -v -a ../blog\_2018\_10\_18.tar.gz -s 邮箱测试 [email protected]
添加定时任务
[root@vultr ~]# crontab -l
0 0 3 * * /bin/bash /root/bakup.sh
再也不用担心服务器挂掉的问题了