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Mail transmission management

2025-02-03 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Network Security >

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Set up mail transmission management in order to send mail to each other between the intranet and the extranet.

Topology Diagram:

I. basic configuration

1. Add two network cards as gateways in dc3, internal network vnm1 and public network vmn2

Set 192.168.1.254 in the intranet computer gateway

Set 192.168.2.254 in the public network computer gateway

2. Set lan as a private network and set ip

3.Wan is used as the public network to set ip

3. Install routing and DNS and turn on routing

4. Set up ip on win2003 and add email service program (mount CD), turn on pop3 service on dc2 and set it to start automatically

4. After the interconnection of the whole network, create two zones and create new hosts on the public network dns (dc3).

Create hosts and aliases for benet

Create hosts and aliases for accp

Creation completed

6. Set the pop service in win2k3

Add mailbox users to accp

7. Turn on a win7 and set Outlook for zhaoliu

8. Configure smtp in win2k3

Two. create an authoritative domain

1. Create an authoritative domain in the exchange console (dc2) (the company domain name is not consistent with the public network domain name)

two。 New email address Policy

3. Run nslookup detection on win702

4. Create a new MX resource record in dc3 (dns server)

5. Restart the SMTP service in win2k3

6. Set anonymous users to send mail in the exchange controller

7. Use win702 to send an email to win701 to verify success

3. Create a new send connector so that the internal network can send mail to the external network.

two。 Create a mx record in dc3 accp

3. Set the dc2 property in the exchange Manager

4. Use the internal network to send mail to the external network

Four. internal users are prohibited from sending e-mails to external network users

1. Create new users and groups and configure mailboxes for users

two。 Create a new distribution group and add bob to the group

3. Set transport rules

4. Log in to Bob to verify whether users in the private network cannot send mail to the public network

five。 Adjudication mail (disable previous transport rules)

1. Create a transport rule

two。 Verification

Use the bob user to send mail to the extranet user zhaoliu@accp.com

Check the zhaoliu@accp.com mailbox to see if it has been received

Check your exchadmin account to see if the email is waiting for a decision.

You can audit messages on owa

Refuse to send mail

View in bob user

Use your bob account to send a non-secret file to zhaoliu

Use exchadmin to audit messages

six。 Monitor messages (disable previous rules)

1. Configure log rules

two。 Use bob users to send emails to zhaoliu and see if exchadmin can accept emails sent by bob

Log in to your zhaoliu account to check (bob accepted successfully)

Log in to your exchadmin account to see if you are listening (it has been monitored successfully)

Use your zhaoliu account to reply to bob emails to see if your exchadmin account can listen.

Exchadmin accounts can monitor emails sent from the external network to the internal network.

Use bob account login to check whether you can receive a reply from zhaoliu.

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