table of Contents
Principle of mail delivery (mail server)
Principle of mail delivery (mail server)
experiment:
Topology
Open two 2003, one xp, restore snapshot 
DNS all point to 100.1.1.1
1. Build mailbox server/DNS server with win2003-126 mailbox
First install the software:
install dns server: install optional windows components --- network service --- DNS
Install mail server: winmail software as a mail server (download the latest version)
winmail is MTA software (a mail transfer agent software), it can open port 25 and 110, and this kind of mail server on the market generally has the function of publishing a website (With IIS/Apache function)
Install all the way and click the next step (password 123.com)
Setting result:
The initial setup begins...
The domain
name 126.com was successfully added to the domain name 126.com.The email address
[email protected] is successfully added to the email address [email protected].SMTP server address: 100.1.1.1
SMTP server port: 25
Activation of SMTP sending authentication
failed to connect to SMTP server!POP3 server address: 100.1.1.1
POP3 server port: 110
POP3 user name: admin
POP3 password: 123.com
failed to connect to the POP3 server!ADMIN server address: 100.1.1.1
ADMIN server port: 6000
successfully connected to the ADMIN server!Webmail URL: http://100.1.1.1:6080/Failed to
connect to HTTP server!LDAP server address: localhost
LDAP server port: 389
failed to connect to LDAP server!=========================================
The initial setting is complete.
You can use Outlook Express, Outlook, Eudora, Foxmail and other software to test your mailbox.
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SMTP server address: 100.1.1.1
SMTP server Port: 25
activate SMTP sending authentication
POP3 server address: 100.1.1.1
POP3 server port: 110
POP3 username: admin
POP3 password: 123.com
Webmail URL: http://100.1.1.1:6080/
Double-click to open: Magic Winmail management tool
Register on DNS:
Don't click the next step, just click finish
Let's see if people in the same company can chat
Go to employee PC (xp):
Method 1. Use webpage to visit mail.126.com
Method 2. Use the client software foxmail
And send an email to jiange.126.com
Now I still want to receive mail in this xp
Jiange received two emails, one was sent by the system and the other was sent by huzi
qq is the same operation