How to Remove Sendmail Service From CentOS 5.5

Sendmail is a program that runs on most servers. Sendmail provides mail-transfer and delivery methods, including the Simple Mail Transfer Protocol (SMTP). However, it is not necessary to have this sendmail. For those who plan to install postfix as an alternative, the can just uninstall the sendamil service to avoid port conflict during installation. In this post i will show you the simple steps to remove sendmail service on CentOS 5.5.

    [root@server ~]# yum remove sendmail
    Loaded plugins: fastestmirror
    Setting up Remove Process
    Resolving Dependencies
    --> Running transaction check
    ---> Package sendmail.i386 0:8.13.8-8.el5 set to be erased
    --> Processing Dependency: smtpdaemon for package: fetchmail
    --> Processing Dependency: smtpdaemon for package: mdadm
    --> Processing Dependency: smtpdaemon for package: mutt
    --> Processing Dependency: sendmail = 8.13.8-8.el5 for package: sendmail-cf
    --> Running transaction check
    ---> Package fetchmail.i386 0:6.3.6-1.1.el5_3.1 set to be erased
    ---> Package mdadm.i386 0:2.6.9-3.el5 set to be erased
    ---> Package mutt.i386 5: set to be erased
    ---> Package sendmail-cf.i386 0:8.13.8-8.el5 set to be erased
    --> Finished Dependency Resolution
    Dependencies Resolved
     Package              Arch          Version                      Repository          Size
     sendmail             i386          8.13.8-8.el5                 installed          1.3 M
    Removing for dependencies:
     fetchmail            i386          6.3.6-1.1.el5_3.1            installed          1.3 M
     mdadm                i386          2.6.9-3.el5                  installed          1.8 M
     mutt                 i386          5:          installed          2.9 M
     sendmail-cf          i386          8.13.8-8.el5                 installed          925 k
    Transaction Summary
    Remove        5 Package(s)
    Reinstall     0 Package(s)
    Downgrade     0 Package(s)
    Is this ok [y/N]: y
    Downloading Packages:
    Running rpm_check_debug
    Running Transaction Test
    Finished Transaction Test
    Transaction Test Succeeded
    Running Transaction
      Erasing        : fetchmail                                                          1/5
      Erasing        : mdadm                                                              2/5
      Erasing        : sendmail                                                           3/5
    warning: /var/log/mail/statistics saved as /var/log/mail/statistics.rpmsave
      Erasing        : sendmail-cf                                                        4/5
      Erasing        : mutt                                                               5/5
      sendmail.i386 0:8.13.8-8.el5
    Dependency Removed:
      fetchmail.i386 0:6.3.6-1.1.el5_3.1            mdadm.i386 0:2.6.9-3.el5
      mutt.i386 5:                 sendmail-cf.i386 0:8.13.8-8.el5

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