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This article mainly introduces "how to install DNS and Sendmail services under Linux". In daily operation, I believe many people have doubts about how to install DNS and Sendmail services under Linux. Xiaobian consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts about "how to install DNS and Sendmail services under Linux". Next, please follow the editor to study!

Detailed process of configuring DNS

1. Set the host name first

Vi / etc/sysconfig/network

two。 Configure the DNS master profile

Vi / var/named/chroot/etc/named.conf modifies line 16 17 22 to the following

3. Configure forward parsing profile

Vi / var/named/chroot/etc/named.rfc1912.zones

4. Configure forward parsing

Cd / var/named/chroot/var/named/ copy the named.localhost in this to named.xiaolei.cn

Modify the permissions of named.xiaolei.cn

If chgrp named named.wolf.cn changes the group of named.wolf.cn to named, is it possible that there will be an inaccessible problem?

Configure named.xiaolei.cn

5. Configure DNS reverse resolution

Vi / var/named/chroot/var/named/named.192.168.1

If chgrp named named.192.168.1 changes the group of named.192.168.0 to named, is it possible that there will be an inaccessible problem?

Service named restart restarts the DNS service

Configure the sendmail service

1. Configure sendmail.mc to change 127.0.0.0 of line 116. Change to 0.0.0.0

Vi / etc/mail/sendmail.mc

two。 Import sendmail.mc into sendmail.cf

Mc sendmail.mc > sendmail.cf

3. Modify DNS

4. Modify the data in local-host-names

Vi / etc/mail/local-host-names

Add two pieces of data to it

Mail.xiaolei.cn

Xiaolei.cn

5. Restart sendmail service and POP3 service

Service sendmail restart

Service dovecot restart

test

You need to create two accounts in Linux.

Create an email account in the same way as in Linux.

At this point, the study on "how to install DNS and Sendmail services under Linux" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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