Mercurial > hg > nginx-site
view xml/en/docs/mail/ngx_mail_smtp_module.xml @ 2083:fb5eef3637a4
Avoid double negative in if_not_empty.
Use of "not" and "until" in the same sentence makes it confusing.
Moreover, use of "until" with something that doesn't describe an
event or point in time is wrong.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Mon, 11 Dec 2017 19:15:31 +0300 |
parents | 237a10fb98d2 |
children | 3d2c4bb34e82 |
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<?xml version="1.0"?> <!-- Copyright (C) 2006, 2007 Anton Yuzhaninov Copyright (C) Nginx, Inc. --> <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> <module name="Module ngx_mail_smtp_module" link="/en/docs/mail/ngx_mail_smtp_module.html" lang="en" rev="5"> <section id="directives" name="Directives"> <directive name="smtp_auth"> <syntax><value>method</value> ...</syntax> <default>login plain</default> <context>mail</context> <context>server</context> <para> Sets permitted methods of <link url="https://tools.ietf.org/html/rfc2554">SASL authentication</link> for SMTP clients. Supported methods are: <list type="tag"> <tag-name><literal>login</literal></tag-name> <tag-desc> <link url="https://tools.ietf.org/html/draft-murchison-sasl-login-00">AUTH LOGIN</link> </tag-desc> <tag-name><literal>plain</literal></tag-name> <tag-desc> <link url="https://tools.ietf.org/html/rfc4616">AUTH PLAIN</link> </tag-desc> <tag-name><literal>cram-md5</literal></tag-name> <tag-desc> <link url="https://tools.ietf.org/html/rfc2195">AUTH CRAM-MD5</link>. In order for this method to work, the password must be stored unencrypted. </tag-desc> <tag-name><literal>external</literal></tag-name> <tag-desc> <link url="https://tools.ietf.org/html/rfc4422">AUTH EXTERNAL</link> (1.11.6). </tag-desc> <tag-name><literal>none</literal></tag-name> <tag-desc> Authentication is not required. </tag-desc> </list> </para> </directive> <directive name="smtp_capabilities"> <syntax><value>extension</value> ...</syntax> <default/> <context>mail</context> <context>server</context> <para> Sets the SMTP protocol extensions list that is passed to the client in response to the <literal>EHLO</literal> command. The authentication methods specified in the <link id="smtp_auth"/> directive and <link url="https://tools.ietf.org/html/rfc3207">STARTTLS</link> are automatically added to this list depending on the <link doc="ngx_mail_ssl_module.xml" id="starttls"/> directive value. </para> <para> It makes sense to specify the extensions supported by the MTA to which the clients are proxied (if these extensions are related to commands used after the authentication, when nginx transparently proxies the client connection to the backend). </para> <para> The current list of standardized extensions is published at <link url="http://www.iana.org/assignments/mail-parameters">www.iana.org</link>. </para> </directive> </section> </module>