{"id":340,"date":"2011-12-01T22:01:52","date_gmt":"2011-12-01T22:01:52","guid":{"rendered":"http:\/\/microsoftgeek.com\/?p=340"},"modified":"2012-02-09T19:47:56","modified_gmt":"2012-02-09T19:47:56","slug":"exchange-server-2010-pop3-getting-started","status":"publish","type":"post","link":"https:\/\/microsoftgeek.com\/?p=340","title":{"rendered":"Exchange Server 2010 POP3: Getting Started"},"content":{"rendered":"<p>Exchange Server 2010 includes support for POP3 remote access to email. \u00a0The POP3 service for Exchange Server 2010 runs on the\u00a0Client Access server role.  \u00a0However POP3 is not enabled automatically on Exchange 2010 servers,  and will require some initial setup and configuration before you can use  it in your environment.<\/p>\n<p>POP3 is disabled by default because it can be an insecure email  protocol when it has not been configured properly. \u00a0The default POP3  port (TCP 110) transmits traffic, including authentication traffic, in  clear text. \u00a0This in effect means that the usernames and passwords of  your Exchange 2010 mailbox users could easily be compromised in  situations where users are connecting over insecure networks (eg public  wireless networks).<\/p>\n<h2>Understanding POP3 for Email Remote Access<\/h2>\n<p>POP3 is the current version of the Post Office Protocol for email  retrieval. \u00a0It is one of the most common internet protocols for email  retrieval (along with IMAP) and is probably familiar to anyone who has  used an ISP email account in the last decade. \u00a0POP3 is also supported by  major email service providers such as Hotmail, Yahoo and Gmail.<\/p>\n<p>POP clients can be configured to retrieve mail one of two ways:<\/p>\n<ul>\n<li>Download email to the client and then delete from the server<\/li>\n<li>Download email to the client and then leave a copy on the server<\/li>\n<\/ul>\n<p>The first one is most common among home users because ISPs tend to  have very small mailbox size limits that are no good for long term email  storage. \u00a0However the second method makes sense in environments where  email is being read from multiple locations and the user wants to keep  all copies available on the server so that they can be accessed  anywhere.<\/p>\n<h2>Enabling POP3 for Exchange Server 2010<\/h2>\n<p>To enable POP3 open the <strong>Services.msc<\/strong> console from the Administrative Tools of the server and locate the <strong>Microsoft Exchange POP3<\/strong> service.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"exchange-2010-pop-gs-01\" src=\"http:\/\/exchangeserverpro.com\/wp-content\/uploads\/2011\/02\/exchange-2010-pop-gs-01.png\" alt=\"\" width=\"600\" height=\"214\" \/><\/p>\n<p>Open the <strong>Properties<\/strong> for the <strong>Microsoft Exchange POP3<\/strong> service and set the <strong>Startup Type<\/strong> to <strong>Automatic<\/strong>. \u00a0Then click the <strong>Start<\/strong> button to start the service, and click <strong>OK<\/strong> to close the Properties dialog box.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"exchange-2010-pop-gs-02\" src=\"http:\/\/exchangeserverpro.com\/wp-content\/uploads\/2011\/02\/exchange-2010-pop-gs-02.png\" alt=\"\" width=\"380\" height=\"427\" \/><\/p>\n<p>After the Microsoft Exchange POP3 service has started you can test it by opening a Telnet session to the service.<\/p>\n<pre>C:\\&gt;telnet esp-ho-ex2010a 110<\/pre>\n<p>If the service is running correctly you should see the default welcome banner.<\/p>\n<pre>+OK The Microsoft Exchange POP3 service is ready.<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Exchange Server 2010 includes support for POP3 remote access to email. \u00a0The POP3 service for Exchange Server 2010 runs on the\u00a0Client Access server role. \u00a0However POP3 is not enabled automatically on Exchange 2010 servers, and will require some initial setup and configuration before you can use it in your environment. POP3 is disabled by default [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-340","post","type-post","status-publish","format-standard","hentry","category-exchange-2010"],"_links":{"self":[{"href":"https:\/\/microsoftgeek.com\/index.php?rest_route=\/wp\/v2\/posts\/340","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/microsoftgeek.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/microsoftgeek.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/microsoftgeek.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/microsoftgeek.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=340"}],"version-history":[{"count":3,"href":"https:\/\/microsoftgeek.com\/index.php?rest_route=\/wp\/v2\/posts\/340\/revisions"}],"predecessor-version":[{"id":391,"href":"https:\/\/microsoftgeek.com\/index.php?rest_route=\/wp\/v2\/posts\/340\/revisions\/391"}],"wp:attachment":[{"href":"https:\/\/microsoftgeek.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/microsoftgeek.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/microsoftgeek.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}