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I was trying to setup spam filtering on Ubuntu server with postfix and dovecot already running. I issued the following command

sudo postconf -e 'content_filter = smtp-amavis:[127.0.0.1]:10024'

Now I want to know that how can I undo this command?

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This was cross-posted on SU. Don't do that. Pick whatever site this question is on-topic for and ask it there only. – EEAA Sep 9 '11 at 16:02

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postconf -d content_filter will tell you what the default value for the content_filter parameter is.
You can then use postconf -e to reset the parameter to its default value.

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Thanks man, that solved my problem, I am new to sysadmin thing and still learning. Hope I wont break things. – Harbhag Sep 9 '11 at 15:59
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The best way not to break things is not to run commands unless you're sure of what they're going to do (especially when you're putting sudo in front of them...) – voretaq7♦ Sep 9 '11 at 16:59

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