Mercurial > hg > nginx-site
annotate xml/en/docs/mail/ngx_mail_pop3_module.xml @ 2775:9ce9239c6b7b
Documented "verify" key in ngx_fetch.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Thu, 14 Oct 2021 18:53:16 +0100 |
parents | 9986e1f25cd7 |
children | 4add6ae1296f |
rev | line source |
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1 <?xml version="1.0"?> |
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2 |
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3 <!-- |
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4 Copyright (C) 2006, 2007 Anton Yuzhaninov |
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5 Copyright (C) Nginx, Inc. |
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6 --> |
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7 |
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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9 |
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10 <module name="Module ngx_mail_pop3_module" |
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11 link="/en/docs/mail/ngx_mail_pop3_module.html" |
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12 lang="en" |
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13 rev="5"> |
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14 |
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15 <section id="directives" name="Directives"> |
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16 |
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17 <directive name="pop3_auth"> |
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18 <syntax><value>method</value> ...</syntax> |
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19 <default>plain</default> |
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20 <context>mail</context> |
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21 <context>server</context> |
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22 |
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23 <para> |
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24 Sets permitted methods of authentication for POP3 clients. |
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25 Supported methods are: |
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26 <list type="tag"> |
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27 |
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28 <tag-name><literal>plain</literal></tag-name> |
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29 <tag-desc> |
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30 <link url="https://tools.ietf.org/html/rfc1939">USER/PASS</link>, |
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31 <link url="https://tools.ietf.org/html/rfc4616">AUTH PLAIN</link>, |
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32 <link url="https://tools.ietf.org/html/draft-murchison-sasl-login-00">AUTH LOGIN</link> |
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33 </tag-desc> |
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34 |
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35 <tag-name><literal>apop</literal></tag-name> |
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36 <tag-desc> |
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37 <link url="https://tools.ietf.org/html/rfc1939">APOP</link>. |
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38 In order for this method to work, the password must be stored unencrypted. |
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39 </tag-desc> |
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40 |
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41 <tag-name><literal>cram-md5</literal></tag-name> |
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42 <tag-desc> |
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43 <link url="https://tools.ietf.org/html/rfc2195">AUTH CRAM-MD5</link>. |
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44 In order for this method to work, the password must be stored unencrypted. |
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45 </tag-desc> |
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46 |
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47 <tag-name><literal>external</literal></tag-name> |
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48 <tag-desc> |
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49 <link url="https://tools.ietf.org/html/rfc4422">AUTH EXTERNAL</link> (1.11.6). |
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50 </tag-desc> |
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51 |
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52 </list> |
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53 </para> |
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54 |
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55 <para> |
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56 Plain text authentication methods |
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57 (<literal>USER/PASS</literal>, <literal>AUTH PLAIN</literal>, |
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58 and <literal>AUTH LOGIN</literal>) are always enabled, |
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59 though if the <literal>plain</literal> method is not specified, |
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60 <literal>AUTH PLAIN</literal> and <literal>AUTH LOGIN</literal> |
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61 will not be automatically included in <link id="pop3_capabilities"/>. |
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62 </para> |
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63 |
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64 </directive> |
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65 |
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66 |
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67 <directive name="pop3_capabilities"> |
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68 <syntax><value>extension</value> ...</syntax> |
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69 <default>TOP USER UIDL</default> |
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70 <context>mail</context> |
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71 <context>server</context> |
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72 |
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73 <para> |
966 | 74 Sets the |
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75 <link url="https://tools.ietf.org/html/rfc2449">POP3 protocol</link> |
966 | 76 extensions list that is passed to the client in response to |
77 the <literal>CAPA</literal> command. | |
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78 The authentication methods specified in the <link id="pop3_auth"/> directive |
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79 (<link url="https://tools.ietf.org/html/rfc2449">SASL</link> extension) and |
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80 <link url="https://tools.ietf.org/html/rfc2595">STLS</link> |
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81 are automatically added to this list depending on the |
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82 <link doc="ngx_mail_ssl_module.xml" id="starttls"/> directive value. |
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83 </para> |
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84 |
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85 <para> |
966 | 86 It makes sense to specify the extensions |
87 supported by the POP3 backends | |
88 to which the clients are proxied (if these extensions are related to commands | |
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89 used after the authentication, when nginx transparently proxies the client |
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90 connection to the backend). |
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91 </para> |
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92 |
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93 <para> |
966 | 94 The current list of standardized extensions is published at |
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95 <link url="http://www.iana.org/assignments/pop3-extension-mechanism">www.iana.org</link>. |
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96 </para> |
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97 |
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98 </directive> |
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99 |
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100 </section> |
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101 |
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102 </module> |