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	<id>https://kb.acenet.us/index.php?action=history&amp;feed=atom&amp;title=Why_can%27t_I_send_email</id>
	<title>Why can&#039;t I send email - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://kb.acenet.us/index.php?action=history&amp;feed=atom&amp;title=Why_can%27t_I_send_email"/>
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	<updated>2026-06-30T15:03:27Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.45.3</generator>
	<entry>
		<id>https://kb.acenet.us/index.php?title=Why_can%27t_I_send_email&amp;diff=1075&amp;oldid=prev</id>
		<title>Docs admin: Docs admin moved page Why can&#039;t I send email? to Why can&#039;t I send email without leaving a redirect</title>
		<link rel="alternate" type="text/html" href="https://kb.acenet.us/index.php?title=Why_can%27t_I_send_email&amp;diff=1075&amp;oldid=prev"/>
		<updated>2012-10-18T20:20:08Z</updated>

		<summary type="html">&lt;p&gt;Docs admin moved page &lt;a href=&quot;/index.php?title=Why_can%27t_I_send_email%3F&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Why can&amp;#039;t I send email? (page does not exist)&quot;&gt;Why can&amp;#039;t I send email?&lt;/a&gt; to &lt;a href=&quot;/Why_can%27t_I_send_email&quot; title=&quot;Why can&amp;#039;t I send email&quot;&gt;Why can&amp;#039;t I send email&lt;/a&gt; without leaving a redirect&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 16:20, 18 October 2012&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Docs admin</name></author>
	</entry>
	<entry>
		<id>https://kb.acenet.us/index.php?title=Why_can%27t_I_send_email&amp;diff=832&amp;oldid=prev</id>
		<title>Docs admin at 22:48, 9 October 2012</title>
		<link rel="alternate" type="text/html" href="https://kb.acenet.us/index.php?title=Why_can%27t_I_send_email&amp;diff=832&amp;oldid=prev"/>
		<updated>2012-10-09T22:48:58Z</updated>

		<summary type="html">&lt;p&gt;&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 18:48, 9 October 2012&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; 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;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;html&amp;gt; &lt;/del&gt;If you&#039;re able to receive emails but are experiencing issues sending email when using an email client such as Thunderbird, Outlook, or etc., the issue may be caused by your ISP (Internet Service Provider) blocking the outgoing (SMTP) port 25.&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;br /&amp;gt;&amp;lt;br /&amp;gt;&lt;/del&gt;This has become a very common practice nowadays from ISPs as spam has only become an even bigger growing concern. ISPs block port 25 for all servers except for their own in an effort to direct all mail their subscribers send through their mail servers. This way they can monitor all mail that they are responsible for and take any necessary action.&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;br /&amp;gt;&amp;lt;br /&amp;gt;&lt;/del&gt;All of Acenet&#039;s shared servers are configured to use port 587 for outgoing email as well. You can change the settings of your outgoing (SMTP) port within your email client by going to the email account properties, and selecting the Advanced or SMTP tab.  Change the outgoing (SMTP) port from 25 to 587, and please try to send once more.  &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;If you&#039;re able to receive emails but are experiencing issues sending email when using an email client such as Thunderbird, Outlook, or etc., the issue may be caused by your ISP (Internet Service Provider) blocking the outgoing (SMTP) port 25.&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;/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;This has become a very common practice nowadays from ISPs as spam has only become an even bigger growing concern. ISPs block port 25 for all servers except for their own in an effort to direct all mail their subscribers send through their mail servers. This way they can monitor all mail that they are responsible for and take any necessary action.&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;/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;All of Acenet&#039;s shared servers are configured to use port 587 for outgoing email as well. You can change the settings of your outgoing (SMTP) port within your email client by going to the email account properties, and selecting the Advanced or SMTP tab.  Change the outgoing (SMTP) port from 25 to 587, and please try to send once more.  &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;     &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;     &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;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;If you have a virtual or dedicated server running cPanel, you can configure another port for outgoing email through your server&#039;s WHM (Web Host Manager). You can view more details on how to do so here:  &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;If you have a virtual or dedicated server running cPanel, you can configure another port for outgoing email through your server&#039;s WHM (Web Host Manager). You can view more details on how to do so here:  &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;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &amp;lt;a title=&quot;&lt;/del&gt;How can I allow exim to listen on another port?&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot; href=&quot;https://esupport.acenet-inc.net/index.php?/Knowledgebase/Article/View/199/0/how-can-i-allow-exim-to-listen-on-another-port&quot;&amp;gt;How can I allow exim to listen on another port?&amp;lt;/a&amp;gt; &amp;lt;/html&amp;gt; &lt;/del&gt;[[Category:Technical Support FAQ]]&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; &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;[[&lt;/ins&gt;How can I allow exim to listen on another port?&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&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;/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;[[Category:Technical Support FAQ]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Docs admin</name></author>
	</entry>
	<entry>
		<id>https://kb.acenet.us/index.php?title=Why_can%27t_I_send_email&amp;diff=196&amp;oldid=prev</id>
		<title>Docs admin: test</title>
		<link rel="alternate" type="text/html" href="https://kb.acenet.us/index.php?title=Why_can%27t_I_send_email&amp;diff=196&amp;oldid=prev"/>
		<updated>2012-09-28T19:35:54Z</updated>

		<summary type="html">&lt;p&gt;test&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 15:35, 28 September 2012&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-l2&quot;&gt;Line 2:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 2:&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;     &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;     &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;  If you have a virtual or dedicated server running cPanel, you can configure another port for outgoing email through your server&amp;#039;s WHM (Web Host Manager). You can view more details on how to do so here:  &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;  If you have a virtual or dedicated server running cPanel, you can configure another port for outgoing email through your server&amp;#039;s WHM (Web Host Manager). You can view more details on how to do so here:  &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;  &amp;lt;a title=&quot;How can I allow exim to listen on another port?&quot; href=&quot;https://esupport.acenet-inc.net/index.php?/Knowledgebase/Article/View/199/0/how-can-i-allow-exim-to-listen-on-another-port&quot;&amp;gt;How can I allow exim to listen on another port?&amp;lt;/a&amp;gt; &amp;lt;/html&amp;gt; [[Category:&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Email&lt;/del&gt;]]&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;  &amp;lt;a title=&quot;How can I allow exim to listen on another port?&quot; href=&quot;https://esupport.acenet-inc.net/index.php?/Knowledgebase/Article/View/199/0/how-can-i-allow-exim-to-listen-on-another-port&quot;&amp;gt;How can I allow exim to listen on another port?&amp;lt;/a&amp;gt; &amp;lt;/html&amp;gt; [[Category:&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Technical Support FAQ&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Docs admin</name></author>
	</entry>
	<entry>
		<id>https://kb.acenet.us/index.php?title=Why_can%27t_I_send_email&amp;diff=195&amp;oldid=prev</id>
		<title>Docs admin: test</title>
		<link rel="alternate" type="text/html" href="https://kb.acenet.us/index.php?title=Why_can%27t_I_send_email&amp;diff=195&amp;oldid=prev"/>
		<updated>2012-09-28T19:35:53Z</updated>

		<summary type="html">&lt;p&gt;test&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;html&amp;gt; If you&amp;#039;re able to receive emails but are experiencing issues sending email when using an email client such as Thunderbird, Outlook, or etc., the issue may be caused by your ISP (Internet Service Provider) blocking the outgoing (SMTP) port 25.&amp;lt;br /&amp;gt;&amp;lt;br /&amp;gt;This has become a very common practice nowadays from ISPs as spam has only become an even bigger growing concern. ISPs block port 25 for all servers except for their own in an effort to direct all mail their subscribers send through their mail servers. This way they can monitor all mail that they are responsible for and take any necessary action.&amp;lt;br /&amp;gt;&amp;lt;br /&amp;gt;All of Acenet&amp;#039;s shared servers are configured to use port 587 for outgoing email as well. You can change the settings of your outgoing (SMTP) port within your email client by going to the email account properties, and selecting the Advanced or SMTP tab.  Change the outgoing (SMTP) port from 25 to 587, and please try to send once more. &lt;br /&gt;
   &lt;br /&gt;
 If you have a virtual or dedicated server running cPanel, you can configure another port for outgoing email through your server&amp;#039;s WHM (Web Host Manager). You can view more details on how to do so here: &lt;br /&gt;
 &amp;lt;a title=&amp;quot;How can I allow exim to listen on another port?&amp;quot; href=&amp;quot;https://esupport.acenet-inc.net/index.php?/Knowledgebase/Article/View/199/0/how-can-i-allow-exim-to-listen-on-another-port&amp;quot;&amp;gt;How can I allow exim to listen on another port?&amp;lt;/a&amp;gt; &amp;lt;/html&amp;gt; [[Category:Email]]&lt;/div&gt;</summary>
		<author><name>Docs admin</name></author>
	</entry>
</feed>