I need a sample file where mail utility stored messages.What I mean is:Return-path: <user@example.domain>Received: from anton by nflogs.domain with local (Exim 4.80)        (envelope-from <user@example.domain>)        id 1VuiP9-0006js-Fa; Sun, 22 Dec 2013 19:45:11 +0700To: man@nflogs.domainSubject: testCc: textCC@example.domainMessage-Id: <E1VuiP9-0006js-Fa@example.domain>From: Anton <user@example.domain>Date: Sun, 22 Dec 2013 19:45:11 +0700But I'm not sure that it's right.
What format is the file /var/mail/username mail utilities
email
The files located at /var/mail/username are in a format called mbox. You can read more about this format on the Wikipedia page titled: mbox.excerpt of formatFrom MAILER-DAEMON Fri Jul  8 12:08:34 2011From: Author <author@example.com>To: Recipient <recipient@example.com>Subject: Sample message 1This is the body.>From (should be escaped).There are 3 lines.From MAILER-DAEMON Fri Jul  8 12:08:34 2011From: Author <author@example.com>To: Recipient <recipient@example.com>Subject: Sample message 2This is the second body.