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I have this file on my Ubuntu server, and it is 12GB in file size. I don't know what that file is, and would like to know, would be safe to to delete or truncate the file?

Here is the file

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up vote 1 down vote accepted

Looks like that's a mail logfile for Zimbra/postfix (mail server).

It depends on the IT policy for the server. If it's not a business server, then do whatever you want if you don't need to troubleshoot any mail logs. If it's a business server, depending on the type of business, you may need to archive and keep the data for 7 to 10 years, unless your IT policy states you only keep logs for X amount of time.

Otherwise, you have free reign over it.

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Thanks this is just on a personal web server. – Get Off My Lawn Oct 22 '13 at 4:10
Just as a reminder "issues specific to corporate IT support and networks" are off-topic so you don't need to cover them in your answers – 50-3 Oct 22 '13 at 4:55

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