阿里雲ECS搭建郵件服務

安裝mailx

[root@db ~]# yum install -y mailx

[root@db ~]# vim /etc/mail.rc

設置發件人信息

.....

set from=[e-mail]

set smtp=smtps://smtp.163.com:465

set smtp-auth-user=[e-mail]

set smtp-auth-password=***

set smtp-auth=login

set ssl-verify=ignore

set nss-config-dir=/root/.certs

set smtp=smtps:設置發送郵件的服務器端口，如果是企業郵箱加上exmail

set smtp-auth-password：設置網易郵箱授權密碼

set ssl-verify：忽略ssl檢查

set nss-config-dir：指定證書所在的目錄

 

申請證書

[root@db ~]# mkdir .certs

向163郵箱申請證書

[root@db ~]# echo -n | openssl s_client -connect smtp.163.com:465 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > .certs/163.crt
[root@db ~]# certutil -A -n "GeoTrust SSL CA" -t "C,," -d ~/.certs -i ~/.certs/163.crt

[root@db ~]# certutil -A -n "GeoTrust Global CA" -t "C,," -d ~/.certs -i ~/.certs/163.crt

列出目錄下的證書

[root@db ~]# certutil -L -d ~/.certs/

[root@db ~]# cd .certs/

標記證書

[root@db .certs]# certutil -A -n "GeoTrust SSL CA - G3" -t "Pu,Pu,Pu" -d ./ -i 163.crt

 

發送郵件

[root@db ~]# echo "test" | mail -s 'test' [e-mail]