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	<id>https://htyp.org/mw/index.php?action=history&amp;feed=atom&amp;title=503_5.5.1_Error%3A_authentication_not_enabled</id>
	<title>503 5.5.1 Error: authentication not enabled - Revision history</title>
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	<updated>2026-06-27T07:16:10Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.45.3</generator>
	<entry>
		<id>https://htyp.org/mw/index.php?title=503_5.5.1_Error:_authentication_not_enabled&amp;diff=21202&amp;oldid=prev</id>
		<title>Woozle: meta tidying</title>
		<link rel="alternate" type="text/html" href="https://htyp.org/mw/index.php?title=503_5.5.1_Error:_authentication_not_enabled&amp;diff=21202&amp;oldid=prev"/>
		<updated>2015-08-29T20:03:48Z</updated>

		<summary type="html">&lt;p&gt;meta tidying&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 20:03, 29 August 2015&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;hide&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;hide&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[page type::article]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[page type::article]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[thing type::error message]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[returned by::Postfix]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[category:error messages]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/hide&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/hide&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==About==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==About==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[503 5.5.1 Error: authentication not enabled]] is an &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[thing type::&lt;/del&gt;error message&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/del&gt;returned by [[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;returned by::&lt;/del&gt;Postfix]].&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[503 5.5.1 Error: authentication not enabled]] is an error message returned by [[Postfix]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Another symptom is the absence of any &amp;quot;AUTH&amp;quot; lines in the response from Postfix when the client sends [[EHLO]]:&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Another symptom is the absence of any &amp;quot;AUTH&amp;quot; lines in the response from Postfix when the client sends [[EHLO]]:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Woozle</name></author>
	</entry>
	<entry>
		<id>https://htyp.org/mw/index.php?title=503_5.5.1_Error:_authentication_not_enabled&amp;diff=15730&amp;oldid=prev</id>
		<title>Woozle: Created page with &quot;&lt;hide&gt; page type::article &lt;/hide&gt; ==About== 503 5.5.1 Error: authentication not enabled is an thing type::error message returned by returned by::Postfix.  Another...&quot;</title>
		<link rel="alternate" type="text/html" href="https://htyp.org/mw/index.php?title=503_5.5.1_Error:_authentication_not_enabled&amp;diff=15730&amp;oldid=prev"/>
		<updated>2011-07-31T16:03:43Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&amp;lt;hide&amp;gt; &lt;a href=&quot;/mw/index.php?title=page_type::article&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;page type::article (page does not exist)&quot;&gt;page type::article&lt;/a&gt; &amp;lt;/hide&amp;gt; ==About== &lt;a href=&quot;/503_5.5.1_Error:_authentication_not_enabled&quot; title=&quot;503 5.5.1 Error: authentication not enabled&quot;&gt;503 5.5.1 Error: authentication not enabled&lt;/a&gt; is an &lt;a href=&quot;/mw/index.php?title=thing_type::error_message&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;thing type::error message (page does not exist)&quot;&gt;thing type::error message&lt;/a&gt; returned by &lt;a href=&quot;/mw/index.php?title=returned_by::Postfix&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;returned by::Postfix (page does not exist)&quot;&gt;returned by::Postfix&lt;/a&gt;.  Another...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;hide&amp;gt;&lt;br /&gt;
[[page type::article]]&lt;br /&gt;
&amp;lt;/hide&amp;gt;&lt;br /&gt;
==About==&lt;br /&gt;
[[503 5.5.1 Error: authentication not enabled]] is an [[thing type::error message]] returned by [[returned by::Postfix]].&lt;br /&gt;
&lt;br /&gt;
Another symptom is the absence of any &amp;quot;AUTH&amp;quot; lines in the response from Postfix when the client sends [[EHLO]]:&lt;br /&gt;
&lt;br /&gt;
{|&lt;br /&gt;
|-&lt;br /&gt;
! not working || working&lt;br /&gt;
|-&lt;br /&gt;
| valign=top |&lt;br /&gt;
 EHLO hypertwins.org&lt;br /&gt;
 250-&amp;#039;&amp;#039;(redacted)&amp;#039;&amp;#039;.com&lt;br /&gt;
 250-PIPELINING&lt;br /&gt;
 250-SIZE 10240000&lt;br /&gt;
 250-VRFY&lt;br /&gt;
 250-ETRN&lt;br /&gt;
 250-STARTTLS&lt;br /&gt;
 250-ENHANCEDSTATUSCODES&lt;br /&gt;
 250-8BITMIME&lt;br /&gt;
 250 DSN&lt;br /&gt;
 AUTH LOGIN&lt;br /&gt;
 [[503 5.5.1 Error: authentication not enabled]]&lt;br /&gt;
|&lt;br /&gt;
 EHLO hypertwins.org&lt;br /&gt;
 250-&amp;#039;&amp;#039;(redacted)&amp;#039;&amp;#039;.com&lt;br /&gt;
 250-PIPELINING&lt;br /&gt;
 250-SIZE 10240000&lt;br /&gt;
 250-VRFY&lt;br /&gt;
 250-ETRN&lt;br /&gt;
 250-STARTTLS&lt;br /&gt;
 250-AUTH PLAIN LOGIN&lt;br /&gt;
 250-AUTH=PLAIN LOGIN&lt;br /&gt;
 250-ENHANCEDSTATUSCODES&lt;br /&gt;
 250-8BITMIME&lt;br /&gt;
 250 DSN&lt;br /&gt;
 AUTH LOGIN&lt;br /&gt;
 334 VXNlcm5hbWU6&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
This message can appear even when {{link/sub|pfx=Postfix/main.cf/|smtpd_sasl_auth_enable}} is set to &amp;quot;yes&amp;quot; in [[Postfix/main.cf|main.cf]].&lt;br /&gt;
==Notes==&lt;br /&gt;
The changes suggested [http://forums.gplhost.com/phpBB2/image-vp3985.html here] seemed to work, albeit with some modifications for my particular config:&lt;br /&gt;
&lt;br /&gt;
 ## 2011-07-31 trying this, per http://forums.gplhost.com/phpBB2/image-vp3985.html , in attempt to fix smtp external auth&lt;br /&gt;
 smtp_sasl_auth_enable = no&lt;br /&gt;
 smtpd_sasl_security_options = noanonymous&lt;br /&gt;
 smtpd_sasl_local_domain = /etc/mailname&lt;br /&gt;
 smtpd_sasl_auth_enable = yes&lt;br /&gt;
 smtpd_tls_auth_only = no&lt;br /&gt;
 &lt;br /&gt;
 ### OVERRIDE -- required in order to authenticate with Frontier&amp;#039;s SMTP server/relay&lt;br /&gt;
 smtp_sasl_auth_enable = yes&lt;br /&gt;
 &lt;br /&gt;
 ## (wzl added 2010-07-04)&lt;br /&gt;
 smtpd_sasl_type = dovecot&lt;br /&gt;
 smtpd_sasl_path = private/dovecot-auth&lt;br /&gt;
 smtpd_sasl_authenticated_header = yes&lt;br /&gt;
 smtpd_sasl_local_domain = $myhostname&lt;br /&gt;
 broken_sasl_auth_clients = yes&lt;br /&gt;
 smtpd_recipient_restrictions = reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination &lt;br /&gt;
 smtpd_sender_restrictions = reject_unknown_sender_domain&lt;br /&gt;
 &lt;br /&gt;
 ## more SASL/TLS stuff (was at the end of main.cf, moved here 2011-07-31)&lt;br /&gt;
 smtp_sasl_authentication_filter =&lt;br /&gt;
 myorigin = &amp;#039;&amp;#039;(redacted)&amp;#039;&amp;#039;.com&lt;br /&gt;
 smtpd_tls_security_level = may&lt;br /&gt;
 smtpd_sasl_security_options = noanonymous&lt;/div&gt;</summary>
		<author><name>Woozle</name></author>
	</entry>
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