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	<title>Sys Admin Guides, How To&#039;s, etc  by Marios Maravelias &#187; smtp</title>
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		<title>xinetd[#]: Deactivating service smtp due to excessive incoming connections.  Restarting in 30 seconds.</title>
		<link>http://www.sys-admin.gr/54/security/xinetd-deactivating-service-smtp-due-to-excessive-incoming-connections-restarting-in-30-seconds/</link>
		<comments>http://www.sys-admin.gr/54/security/xinetd-deactivating-service-smtp-due-to-excessive-incoming-connections-restarting-in-30-seconds/#comments</comments>
		<pubDate>Thu, 15 Nov 2007 11:55:37 +0000</pubDate>
		<dc:creator>MaRiOs</dc:creator>
				<category><![CDATA[Mail Server]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[Unix/Linux Various]]></category>
		<category><![CDATA[30]]></category>
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		<category><![CDATA[smtp]]></category>
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		<guid isPermaLink="false">http://www.sys-admin.gr/archives/security/54</guid>
		<description><![CDATA[This happened to a Plesk 8.x Linux (RH) server, the problem was that smtp service was up and running, and the queue was very light , but smtp wouldn&#8217;t accept any connections at port 25 even from localhost. In the /var/log/messages I saw this disturbing message: xinetd[#]: Deactivating service smtp due to excessive incoming connections. [...]]]></description>
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		<title>Smtp Connections list</title>
		<link>http://www.sys-admin.gr/31/unixlinux-various/smtp-connections-list/</link>
		<comments>http://www.sys-admin.gr/31/unixlinux-various/smtp-connections-list/#comments</comments>
		<pubDate>Mon, 04 Jun 2007 13:31:01 +0000</pubDate>
		<dc:creator>MaRiOs</dc:creator>
				<category><![CDATA[Mail Server]]></category>
		<category><![CDATA[Unix/Linux Various]]></category>
		<category><![CDATA[connections]]></category>
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		<category><![CDATA[Network]]></category>
		<category><![CDATA[Qmail]]></category>
		<category><![CDATA[smtp]]></category>
		<category><![CDATA[unix]]></category>

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		<description><![CDATA[You can check what connection you have via smtp protocol with the simple command: netstat -a &#124; grep smtp The output must be something like this: root /scripts# netstat -a &#124; grep smtp tcp 0 0 *:smtp *:* LISTEN tcp 0 14 myserver.tld:smtp dyn-86.106.61.22.ph.up:3025 ESTABLISHED tcp 0 1 myserver.tld:55355 mta-v9.mail.vip.mud.ya:smtp SYN_SENT tcp 0 1 myserver.tld:55380 [...]]]></description>
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		<title>How to Prevent the IIS SMTP Virtual Server from Relaying E-mail Messages</title>
		<link>http://www.sys-admin.gr/18/security/how-to-prevent-the-iis-smtp-virtual-server-from-relaying-e-mail-messages/</link>
		<comments>http://www.sys-admin.gr/18/security/how-to-prevent-the-iis-smtp-virtual-server-from-relaying-e-mail-messages/#comments</comments>
		<pubDate>Wed, 30 May 2007 12:31:17 +0000</pubDate>
		<dc:creator>MaRiOs</dc:creator>
				<category><![CDATA[IIS]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[Windows]]></category>
		<category><![CDATA[E-mail]]></category>
		<category><![CDATA[from]]></category>
		<category><![CDATA[How]]></category>
		<category><![CDATA[messages]]></category>
		<category><![CDATA[Prevent]]></category>
		<category><![CDATA[Relaying]]></category>
		<category><![CDATA[server]]></category>
		<category><![CDATA[smtp]]></category>
		<category><![CDATA[the]]></category>
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		<category><![CDATA[Virtual]]></category>

		<guid isPermaLink="false">http://www.sys-admin.gr/archives/iis/18</guid>
		<description><![CDATA[Do the following: 1) Start Internet Information Services Manager or open the Internet Information Services (IIS) snap-in. 2) Expand Server_name, where Server_name is the name of the server, right-click Default SMTP Virtual Server, and then click Properties. 3) Click the Access tab, and then under Access control, click Authentication. 4) Click to select either or [...]]]></description>
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