-bd

進入deamon模式

-bi

初始化別名數(shù)據(jù)庫

-bm

從標準輸入讀取郵件

-bp

列出郵件列表

-bs

獨立的smtp模式，從標準輸入讀取，輸出到標準輸出

-C

main.cf 的位置

-F

指定發(fā)送者的全名

-f

指定發(fā)送者

-i

忽略只有單獨點的行

-q

以給定的時間間隔處理隊列中的郵件

[root@localhost ~]#  sendmail david                // 發(fā)送郵件給 david ，默認的發(fā)送者是 root

123.

.

[root@localhost ~]#  tail /var/spool/mail/david             // 查看 david 郵箱，收到郵件

Delivered-To: david@david.cn

Received: by mailsrv.david.cn (Postfix, from userid 0)

                 id 5B3A7143211; Fri,  5 Oct 2018 21:33:34 +0800 (CST)

Message-Id: <20181005133334.5B3A7143211@mailsrv.david.cn>

Date: Fri,  5 Oct 2018 21:33:29 +0800 (CST)

From: root@david.cn (wejie)

To: undisclosed-recipients:;

123. 

[root@localhost ~]#  sendmail -f weijie david               //weijie 發(fā)送郵件給 david

hehe

.

You have new mail in /var/spool/mail/root

[root@localhost ~]#  tail /var/spool/mail/david             // 查看 david 郵箱，發(fā)送者是魏杰

Delivered-To: david@david.cn

Received: by mailsrv.david.cn (Postfix, from userid 0)

                 id 3544314308F; Fri,  5 Oct 2018 21:37:11 +0800 (CST)

Message-Id: <20181005133711.3544314308F@mailsrv.david.cn>

Date: Fri,  5 Oct 2018 21:37:07 +0800 (CST)

From: weijie@david.cn (wejie)

To: undisclosed-recipients:;

hehe

[root@localhost ~]#  mysqlshow -u root -p test wj              // 顯示數(shù)據(jù)庫 test 中的表 wj 的信息

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 |         |

+-------+---------+-------------------+------+-----+---------+-------+---------------------------------+---------+