<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html lang="en-us" xml:lang="en-us"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="security" content="public" /> <meta name="Robots" content="index,follow" /> <meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' /> <meta name="DC.Type" content="concept" /> <meta name="DC.Title" content="Control e-mail access" /> <meta name="abstract" content="You should control who accesses your server through e-mail to protect your data from malicious attacks." /> <meta name="description" content="You should control who accesses your server through e-mail to protect your data from malicious attacks." /> <meta name="DC.Relation" scheme="URI" content="rzairplan.htm" /> <meta name="DC.Relation" scheme="URI" content="controlsmtpaccess.htm" /> <meta name="DC.Relation" scheme="URI" content="controlpopaccess.htm" /> <meta name="DC.Relation" scheme="URI" content="../rzaly/rzalyoverview.htm" /> <meta name="DC.Relation" scheme="URI" content="rzairneardomain.htm" /> <meta name="DC.Relation" scheme="URI" content="rzairlmtsvr.htm" /> <meta name="DC.Relation" scheme="URI" content="http://www.redbooks.ibm.com/redbooks/SG244929.html" /> <meta name="DC.Relation" scheme="URI" content="../rzaly/rzalyoverview.htm" /> <meta name="DC.Relation" scheme="URI" content="rzairsmtppa.htm" /> <meta name="copyright" content="(C) Copyright IBM Corporation 2004, 2006" /> <meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 2004, 2006" /> <meta name="DC.Format" content="XHTML" /> <meta name="DC.Identifier" content="rzairplanseccontrol" /> <meta name="DC.Language" content="en-us" /> <!-- All rights reserved. Licensed Materials Property of IBM --> <!-- US Government Users Restricted Rights --> <!-- Use, duplication or disclosure restricted by --> <!-- GSA ADP Schedule Contract with IBM Corp. --> <link rel="stylesheet" type="text/css" href="./ibmdita.css" /> <link rel="stylesheet" type="text/css" href="./ic.css" /> <title>Control e-mail access</title> </head> <body id="rzairplanseccontrol"><a name="rzairplanseccontrol"><!-- --></a> <!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script> <h1 class="topictitle1">Control e-mail access</h1> <div><p>You should control who accesses your server through e-mail to protect your data from malicious attacks.</p> </div> <div> <ul class="ullinks"> <li class="ulchildlink"><strong><a href="controlsmtpaccess.htm">Control Simple Mail Transfer Protocol access</a></strong><br /> To prevent your server from being attacked by malicious or unsolicited mail (spam), you should control Simple Mail Transfer Protocol (SMTP) access.</li> <li class="ulchildlink"><strong><a href="controlpopaccess.htm">Control Post Office Protocol access</a></strong><br /> To ensure the security of your server, you should control Post Office Protocol (POP) access.</li> </ul> <div class="familylinks"> <div class="parentlink"><strong>Parent topic:</strong> <a href="rzairplan.htm" title="Before setting up e-mail, you should have a basic plan for how you will be using e-mail on your iSeries server.">Plan for e-mail</a></div> </div> <div class="relconcepts"><strong>Related concepts</strong><br /> <div><a href="../rzaly/rzalyoverview.htm">Independent disk pools</a></div> <div><a href="rzairsmtppa.htm" title="You can use simple steps to determine what is causing a problem with e-mail.">Determine problems with e-mail</a></div> </div> <div class="reltasks"><strong>Related tasks</strong><br /> <div><a href="rzairneardomain.htm" title="A common concern that you might face is protecting your server from people who try to use your e-mail server for spamming, or sending large amounts of bulk e-mail. To avoid these problems, use the relay restriction function to specify as closely as possible who can use your server for relay.">Restrict relays</a></div> <div><a href="rzairlmtsvr.htm" title="You can prevent the connection of users who might abuse your e-mail server.">Restrict connections</a></div> </div> <div class="relinfo"><strong>Related information</strong><br /> <div><a href="http://www.redbooks.ibm.com/redbooks/SG244929.html" target="_blank">AS/400 Internet Security: Protecting Your AS/400 from HARM on the Internet</a></div> </div> </div> </body> </html>