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I want to send mail from a local server. I tried to install

sudo apt-get install postfix

but it showed this error

Failed to fetch

Please help me to enable SMTP in Ubuntu.

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Possible Duplicate: – user98085 Jan 14 '13 at 5:49
It seems there is a problem with the Ubuntu archive. Sometimes indian servers seem to have problems. Does help? – qbi Jan 14 '13 at 8:31

The archive is incorrect. I should read

To correct the problem: From terminal gksudo gedit /etc/apt/sources.list this will open the text editor and you can correct the offending line.

Make the entry as above^^

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