Michael, Very nice description. Well done. Just one nit.
On 10/10/07, Michael Fernando <[EMAIL PROTECTED]> wrote: > > Received: from mailsrv1.domain1.com (mout-56.domain1.com [220.220.22.22 > ]) > by mx.yourdomain.org (8.14.1/8.14.1) with ESMTP id l92CrYxR029471 > for <[EMAIL PROTECTED]>; Tue, 2 Oct 2007 08:53:34 -0400 (EDT) > [...] > So, given you trust your mail server, the above line with the > "by mx.yourdomain.org ..." is the only line you can be certain of. > What that line tells you is that your (ISP's) mail server received this > message from a host with an IP address 220.220.22.22 and _your_ mail Actually, it means that the message was received from a host that claimed to be 220.220.22.22, but unless your ISP does special checking, that may not be true. server identified that host as mout-56.domain1.com. During the SMTP > handshake, that host identified itself as mailsrv1.domain1.com. The > timestamp "Tue, 2 Oct 2007 08:53:34 -0400" was added by _your_ mail > server, so you can trust that. [In the timestamps, -0400 means US EDT; > -0700 means US Pacific Daylight Time; -0000 means GMT which may or may > not be UK time depending on if it is the daylight savings time in UK] > -- John DeCarlo, My Views Are My Own ************************************************************************ * ==> QUICK LIST-COMMAND REFERENCE - Put the following commands in <== * ==> the body of an email & send 'em to: [EMAIL PROTECTED] <== * Join the list: SUBSCRIBE COMPUTERGUYS-L Your Name * Too much mail? Try Daily Digests command: SET COMPUTERGUYS-L DIGEST * Tired of the List? Unsubscribe command: SIGNOFF COMPUTERGUYS-L * New address? From OLD address send: CHANGE COMPUTERGUYS-L YourNewAddress * Need more help? Send mail to: [EMAIL PROTECTED] ************************************************************************ * List archive at www.mail-archive.com/[email protected]/ * RSS at www.mail-archive.com/[email protected]/maillist.xml * Messages bearing the header "X-No-Archive: yes" will not be archived ************************************************************************
