Shulou(Shulou.com)06/02 Report--

First, install mailx

Yum-y install mailx

2. Preparation

[root@sea~] # vim / etc/mail.rcset from=sea_xyz@163.com # sender set smtp.163.com # 163smtp mail server set smtp-auth-user=youremail@163.com # your 163mailbox set smtp-auth-password=yourpass # Your 163e-mail password (set the encrypted authorization code of the page) set smtp-auth=login # action, Log in to set smtp-use-starttls # secure connection Transport set ssl-verify=ignore # ignore ssl authentication set nss-config-dir=/root/.certs # certificate path

Third, generate a certificate of 163

Mkdir-p / root/.certs/echo-n | openssl s_client-connect smtp.163.com:465 | sed-ne'/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > ~ / .certs/163.crtcertutil-A-n "GeoTrust SSL CA"-t "C,"-d ~ / .certs-I ~ / .certs/163.crtcertutil-A-n "GeoTrust Global CA"-t "C" "- d ~ / .certs-I ~ / .certs/163.crtcertutil-L-d / root/.certscd / root/.certs/certutil-A-n" GeoTrust SSL CA-G3 "- t" Pu,Pu,Pu "- d. /-I 163.crt

The following prompt indicates that it is normal.

Notice: Trust flag u is set automatically if the private key is present.

Fourth, test sending mail

Echo "Redhat7 changes the Aliyun yum source of Centos7 from yum source" | mailx-s "rpm-e yum redhat"-a Centos7_yum_org_aliyun.tar.gz othermail@126.com,yourqq@qq.com

Note: echo is the content of the message,-s is the subject of the message,-an is to add attachments, and multiple email addresses are separated by commas.

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