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POHow to use Apache Commons Net to fetch an email via IMAP?
 

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  1. POHow to use Apache Commons Net to fetch an email via IMAP?
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    <p>I've successfully connected and logged in to the IMAP server and can use the IMAP fetch command to retrieve a list of emails. However, when I try to retrieve a single email with full headers I end up having a problem.</p> <p>This is the stack trace I'm getting:</p> <pre><code>Exception in thread "main" org.apache.commons.net.MalformedServerReplyException: Received unexpected IMAP protocol response from server: 'Return-Path: &lt;[removed]&gt;'. at org.apache.commons.net.imap.IMAPReply.getReplyCode(IMAPReply.java:128) at org.apache.commons.net.imap.IMAPReply.getReplyCode(IMAPReply.java:93) at org.apache.commons.net.imap.IMAP.__getReply(IMAP.java:120) at org.apache.commons.net.imap.IMAP.__getReply(IMAP.java:90) at org.apache.commons.net.imap.IMAP.sendCommandWithID(IMAP.java:225) at org.apache.commons.net.imap.IMAP.sendCommand(IMAP.java:238) at org.apache.commons.net.imap.IMAP.sendCommand(IMAP.java:263) at org.apache.commons.net.imap.IMAP.doCommand(IMAP.java:276) at org.apache.commons.net.imap.IMAPClient.fetch(IMAPClient.java:339) </code></pre> <p>My code that generates the above stack trace is:</p> <pre><code>public static void main(String[] args) throws Exception { IMAPClient client = new IMAPClient(); client.connect(SERVER); client.login(USERNAME, PASSWORD); client.select("INBOX"); client.fetch("1", "body[header]"); } </code></pre> <p>I'm using commons-net-3.1</p> <p>When I connect to the IMAP server via telnet and issue the same command I end up with a result like this (I've elided some of the data with underscores):</p> <pre><code>08 fetch 1 body[header] * 1 FETCH (BODY[HEADER] {608} Return-Path: &lt;____@____.com&gt; X-Original-To: ____@____.com Delivered-To: ____@____.com Received: from ____.____.com (unknown [____]) by ____.____.____ (Postfix) with ESMTP id 1926514D20 for &lt;____@____.com&gt;; Mon, 1 Feb 2010 16:52:36 +1100 (EST) Date: Mon, 1 Feb 2010 16:52:35 +1100 (EST) From: ____@____.com To: ____@____.com Message-ID: &lt;__________________________@_____&gt; Subject: ____ MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_13575_1460176524.1265003555921" ) * 79690 EXISTS * 13 RECENT 08 OK Fetch completed. </code></pre> <p>Am I using the correct method (fetch) to view the email? Any clues on where I'm going wrong?</p>
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    1. COHave you tried using FETCH 1 full
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    2. CO"FETCH 1 full" works. However it gives me less data than "FETCH 1 BODY[HEADER]" and "FETCH 1 BODY[TEXT]".
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