123 lines
6.8 KiB
HTML
123 lines
6.8 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="security" content="public" />
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<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))' />
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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="Simple Mail Transfer Protocol" />
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<meta name="abstract" content="Simple Mail Transfer Protocol (SMTP) is a TCP/IP protocol used in sending and receiving e-mail. It is typically used with POP3 or Internet Message Access Protocol to save messages in a server mailbox and download them periodically from the server for the user." />
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<meta name="description" content="Simple Mail Transfer Protocol (SMTP) is a TCP/IP protocol used in sending and receiving e-mail. It is typically used with POP3 or Internet Message Access Protocol to save messages in a server mailbox and download them periodically from the server for the user." />
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<meta name="DC.Relation" scheme="URI" content="rzairrefinfo.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzairscenariomailloc.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2004, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 2004, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="rzairemcommnd" />
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<meta name="DC.Language" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Simple Mail Transfer Protocol</title>
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</head>
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<body id="rzairemcommnd"><a name="rzairemcommnd"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Simple Mail Transfer Protocol</h1>
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<div><p>Simple Mail Transfer Protocol (SMTP) is a TCP/IP protocol used
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in sending and receiving e-mail. It is typically used with POP3 or Internet
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Message Access Protocol to save messages in a server mailbox and download
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them periodically from the server for the user.</p>
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<div class="section"><h4 class="sectiontitle">SMTP
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commands</h4><p>The following table describes the SMTP commands,
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the command functions, and whether iSeries™ SMTP server supports the commands.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th valign="top" id="d0e33">SMTP command</th>
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<th valign="top" id="d0e35">What it does</th>
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<th valign="top" id="d0e37">iSeries supported</th>
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</tr>
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</thead>
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<tbody><tr><td valign="top" headers="d0e33 ">HELO (Hello)</td>
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<td valign="top" headers="d0e35 ">Identify the SMTP sender to the SMTP receiver.</td>
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<td valign="top" headers="d0e37 ">Yes</td>
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</tr>
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<tr><td valign="top" headers="d0e33 ">EHLO (Extension Hello)</td>
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<td valign="top" headers="d0e35 ">Enable SMTP extensions.</td>
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<td valign="top" headers="d0e37 ">Yes</td>
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</tr>
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<tr><td valign="top" headers="d0e33 ">MAIL (Mail)</td>
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<td valign="top" headers="d0e35 ">Start an e-mail transaction to deliver the e-mail to one or more recipients.</td>
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<td valign="top" headers="d0e37 ">Yes</td>
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</tr>
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<tr><td valign="top" headers="d0e33 ">RCPT (Recipient)</td>
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<td valign="top" headers="d0e35 ">Identify an individual recipient of e-mail.</td>
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<td valign="top" headers="d0e37 ">Yes</td>
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</tr>
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<tr><td valign="top" headers="d0e33 ">DATA (Data)</td>
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<td valign="top" headers="d0e35 ">Consider the lines following the command to be e-mail from the sender.</td>
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<td valign="top" headers="d0e37 ">Yes</td>
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</tr>
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<tr><td valign="top" headers="d0e33 ">SEND (Send)</td>
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<td valign="top" headers="d0e35 ">Deliver e-mail to one or more workstations.</td>
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<td valign="top" headers="d0e37 ">No</td>
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</tr>
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<tr><td valign="top" headers="d0e33 ">SOML (Send or mail)</td>
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<td valign="top" headers="d0e35 ">Deliver e-mail to one or more workstations or recipients if the user
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is not active.</td>
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<td valign="top" headers="d0e37 ">No</td>
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</tr>
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<tr><td valign="top" headers="d0e33 ">SAML (Send and mail)</td>
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<td valign="top" headers="d0e35 ">Deliver e-mail to one or more workstations and recipients if the user
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is not active.</td>
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<td valign="top" headers="d0e37 ">No</td>
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</tr>
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<tr><td valign="top" headers="d0e33 ">RSET (Reset)</td>
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<td valign="top" headers="d0e35 ">End the current e-mail transaction.</td>
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<td valign="top" headers="d0e37 ">Yes</td>
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</tr>
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<tr><td valign="top" headers="d0e33 ">VRFY (Verify)</td>
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<td valign="top" headers="d0e35 ">Ask the receiver to confirm that a user has been identified.</td>
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<td valign="top" headers="d0e37 ">Yes</td>
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</tr>
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<tr><td valign="top" headers="d0e33 ">EXPN (Expand)</td>
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<td valign="top" headers="d0e35 ">Ask the receiver to confirm that a mailing list has been identified.</td>
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<td valign="top" headers="d0e37 ">No</td>
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</tr>
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<tr><td valign="top" headers="d0e33 ">HELP (Help)</td>
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<td valign="top" headers="d0e35 ">Ask the receiver to send helpful information to the sender.</td>
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<td valign="top" headers="d0e37 ">Yes</td>
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</tr>
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<tr><td valign="top" headers="d0e33 ">NOOP (Noop)</td>
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<td valign="top" headers="d0e35 ">Ask the receiver to send a valid reply (but specify no other action).</td>
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<td valign="top" headers="d0e37 ">Yes</td>
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</tr>
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<tr><td valign="top" headers="d0e33 ">QUIT (Quit)</td>
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<td valign="top" headers="d0e35 ">Ask the receiver to send a valid reply, and then close the transmission
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channel.</td>
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<td valign="top" headers="d0e37 ">Yes</td>
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</tr>
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<tr><td valign="top" headers="d0e33 ">TURN (Turn)</td>
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<td valign="top" headers="d0e35 ">Ask the receiver to send a valid reply and then become the SMTP sender,
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or else ask the receiver to send a refusal reply and remain the SMTP receiver.</td>
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<td valign="top" headers="d0e37 ">No</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzairrefinfo.htm" title="You can find protocol information and information about journal entries, and more.">E-mail reference information</a></div>
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</div>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="rzairscenariomailloc.htm" title="This example demonstrates how e-mail is processed between local users.">E-mail example: Send and receive e-mail locally</a></div>
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</div>
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</div>
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</body>
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</html>
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