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1 .ig
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2 * ========================================================================
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3 * Copyright 1988-2006 University of Washington
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4 *
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5 * Licensed under the Apache License, Version 2.0 (the "License");
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6 * you may not use this file except in compliance with the License.
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7 * You may obtain a copy of the License at
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8 *
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9 * http://www.apache.org/licenses/LICENSE-2.0
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10 *
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11 *
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12 * ========================================================================
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13 ..
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14 .TH IPOPD 8 "August 30, 2006"
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15 .UC 5
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16 .SH NAME
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17 IPOPd \- Post Office Protocol server
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18 .SH SYNOPSIS
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19 .B /usr/etc/ipop2d
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20 .PP
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21 .B /usr/etc/ipop3d
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22 .SH DESCRIPTION
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23 .I ipop2d
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24 and
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25 .I ipop3d
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26 are servers which support the
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27 .B POP2
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28 and
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29 .B POP3
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30 remote mail access protocols respectively.
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31 .I ipop2d
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32 and
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33 .I ipop3d
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34 can also be used by
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35 .B POP2
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36 and
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37 .B POP3
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38 clients respecitively to access mailboxes on
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39 .B IMAP
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40 servers by specifying a login user name in the form <host>:<user>
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41 e.g.,
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42 .B SERVER.WASHINGTON.EDU:SMITH.
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43 .PP
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44 These daemons contain CRAM-MD5 and APOP support. See the md5.txt
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45 documentation file for additional information.
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46 .PP
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47 .I ipop2d
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48 and
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49 .I ipop3d
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50 are invoked by the internet server (see
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51 .IR inetd (8)),
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52 normally for requests to connect to the
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53 .B POP
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54 port as indicated by the
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55 .I /etc/services
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56 file (see
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57 .IR services (5)).
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58 .SH "SEE ALSO"
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59 imapd(8)
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60 .SH BUGS
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61 The
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62 .B POP2
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63 and
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64 .B POP3
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65 protocols are intrinsically less flexible than
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66 .B IMAP
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67 and do not maintain `read' vs `unread' state on the server. As a result,
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68 most
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69 .B POP
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70 based software transfers all the mail from the server to the client and
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71 deletes it from the server. This necessarily locks the user into using only
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72 a single client.
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73 .PP
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74 .B POP3
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75 does not allow you to specify an alternate folder from the user's default.
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