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powtac
Asked: 2012-06-08 06:24:18 +0800 CST

How to uninstall emailmail server?

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Mail was accidentally installed on my debian server and I want to remove all mta, mail related software. I do not know what exactly was installed, how can I find out and uninstall this stuff? I don't want to see this "you have mail" when I log in.

debian email-server uninstall

3 Answers

  1. Start with

    dpkg --get-selections

    or

    dpkg --get-selections | grep -v deinstall

    for a shorter list, which shows you what is installed. Look through the list, work out the major packages you don't need (like exim, postfix, mailx, bsd-mailx, etc.) and then,

    apt-get remove exim mailx ......
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  2. Check which daemon is active on port 25:

    sudo lsof -i :25 


> COMMAND PID        USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
> exim4   944 Debian-exim    3u  IPv4  19380      0t0  TCP localhost:smtp (LISTEN)
> exim4   944 Debian-exim    4u  IPv6  19381      0t0  TCP localhost:smtp (LISTEN)

    now, you have to remove exim4 service:

    sudo apt-get remove exim4-base
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  3. I'm assuming you're using postfix since it's the default mail server for Debian (I think). You should be able to remove this by using:

    apt-get remove postfix

    If it's not the postfix package just substitute the name of the package that was installed.

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