sendmail
sendmail是postfix中的一個發送郵件的代理程式,它負責發送郵件到遠端伺服器,并且可以接收郵件。sendmail在發送郵件的時候,預設從标磚輸入讀取内容,以“.”為結束。
此指令的适用範圍:RedHat、RHEL、Ubuntu、CentOS、Fedora。
1、文法
sendmail [option ...] [recipient ...]
2、選項參數清單
-bd
進入deamon模式
-bi
初始化别名資料庫
-bm
從标準輸入讀取郵件
-bp
列出郵件清單
-bs
獨立的smtp模式,從标準輸入讀取,輸出到标準輸出
-C
main.cf的位置
-F
指定發送者的全名
-f
指定發送者
-i
忽略隻有單獨點的行
-q
以給定的時間間隔處理隊列中的郵件
3、執行個體
1)給某人發送郵件
[root@localhost ~]# sendmail david //發送郵件給david,預設的發送者是root
123.
.
[root@localhost ~]# tail /var/spool/mail/david //檢視david郵箱,收到郵件
Delivered-To: [email protected]
Received: by mailsrv.david.cn (Postfix, from userid 0)
id 5B3A7143211; Fri, 5 Oct 2018 21:33:34 +0800 (CST)
Message-Id: <[email protected]>
Date: Fri, 5 Oct 2018 21:33:29 +0800 (CST)
From: [email protected] (wejie)
To: undisclosed-recipients:;
123.
2)指定發送者
[root@localhost ~]# sendmail -f weijie david //weijie發送郵件給david
hehe
.
You have new mail in /var/spool/mail/root
[root@localhost ~]# tail /var/spool/mail/david //檢視david郵箱,發送者是魏傑
Delivered-To: [email protected]
Received: by mailsrv.david.cn (Postfix, from userid 0)
id 3544314308F; Fri, 5 Oct 2018 21:37:11 +0800 (CST)
Message-Id: <[email protected]>
Date: Fri, 5 Oct 2018 21:37:07 +0800 (CST)
From: [email protected] (wejie)
To: undisclosed-recipients:;
hehe
3)檢視表中有哪些字段
[root@localhost ~]# mysqlshow -u root -p test wj //顯示資料庫test中的表wj的資訊
Enter password:
Database: test Table: wj
+-------+---------+-------------------+------+-----+---------+-------+---------------------------------+---------+
| Field | Type | Collation | Null | Key | Default | Extra | Privileges | Comment |
+-------+---------+-------------------+------+-----+---------+-------+---------------------------------+---------+
| id | int(11) | | NO | | | | select,insert,update,references | |
| name | text | latin1_swedish_ci | NO | | | | select,insert,update,references | |
+-------+---------+-------------------+------+-----+---------+-------+---------------------------------+---------+
做了一個Linux學習的平台,目前出來一個雛形,各位可以參考使用
連結:https://pan.baidu.com/s/1GOLVU2CbpBNGtunztVpaCQ 密碼:n7bk
![](https://img.laitimes.com/img/9ZDMuAjOiMmIsIjOiQnIsIiZpdmLjdDM3Y2MlFTM2QzM2gTOmVDOyYGMldjZmhTMmNTO3IGNzQTY4cTM08CXt92Yu4GZjlGbh5SZslmZxl3Lc9CX6MHc0RHaiojIsJye.gif)