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How might this policy differ from you file backups policy

Assignment Help Management Information Sys
Reference no: EM131420370

Chapter 41 : The Practice of System and etwork Administration By Thomas A.Limoncelli,Christina J.Hogan,Strata R.Chalup

Submit your responses to these exercises. For credit:

- Repeat each question above each response

- Answer in your own words, and reference sources

E20.1a. Briefly describe the difference between a user agent (MUA), a delivery agent (DA), and an access agent (AA).

E20.1b. Briefly describe the difference between a mail transport agent (MTA) and a mail submission agent (MSA).

X1. Explain the apparent namespace policies for WOU student and faculty/staff email addresses. (Note these may differ.)

X2. Our lecture includes a reference design for an email system. With about that level of detail as a guide, research and find several more reference designs, comparable or simpler or more complex. Give a reference to what you find (e.g. a web link plus further detail) AND submit a screenshot or document (as a JPEG or PDF file) of the reference design.

13. How might you implement a six-month retention schedule for email backups? Would you need to include client systems in this policy?

How might this policy differ from you file backups policy? Explain.

E20.6. Research the purpose and format of an email header. Then study the following email headers. Explain: What path did the email take? To whom was it addressed, and to whom was it delivered? How long did it spend in transit?

Delivered-To: [email protected]

Received: by 10.231.143.81 with SMTP id t17cs175323ibu;

Mon, 28 Dec 2009 20:15:20 -0800 (PST) Received: by 10.231.157.131 with SMTP id

b3mr2134004ibx.19.1262060119841;

Mon, 28 Dec 2009 20:15:19 -0800 (PST)

Return-Path: <[email protected]>

Received: from mail-relay.atrust.com (mail-relay.atrust.com
[63.173.189.2]) by mx.google.com with ESMTP id 12si19092249iwn.27.2009.12.28.20.15.19;
Mon, 28 Dec 2009 20:15:19 -0800 (PST)

Received-SPF: neutral (google.com: 63.173.189.2 is neither permitted nor denied by best guess record for domain of [email protected]) client- ip=63.173.189.2;

Authentication-Results: mx.google.com; spf=neutral (google.com: 63.173.189.2 is neither permitted nor denied by best guess record for domain of [email protected]) [email protected]

Received: from mout.perfora.net (mout.perfora.net [74.208.4.194]) by mail-relay.atrust.com (8.12.11/8.12.11) with ESMTP id nBT4FI9r017821 for <[email protected]>; Mon, 28 Dec 2009 21:15:19 -0700

Received: from grsweb.us (wolverine.dreamhost.com [75.119.201.185]) by mrelay.perfora.net (node=mrus1) with ESMTP (Nemesis) id 0Ma0RD- 1NgKS52KT9-00LeuN; Mon, 28 Dec 2009 23:15:17 -0500

Date: Mon, 28 Dec 2009 20:15:13 -0800

From: UNIX and Linux System Administration Handbook

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Reference no: EM131420370

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