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	<title>KutuKupret &#187; email</title>
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	<link>http://www.kutukupret.com</link>
	<description>My Colourful Website ;)</description>
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		<title>Postfix Changing Outgoing IP By Time Interval Using TCP_TABLE And Perl</title>
		<link>http://www.kutukupret.com/2011/11/15/postfix-changing-outgoing-ip-by-time-interval-using-tcp_table-and-perl/</link>
		<comments>http://www.kutukupret.com/2011/11/15/postfix-changing-outgoing-ip-by-time-interval-using-tcp_table-and-perl/#comments</comments>
		<pubDate>Tue, 15 Nov 2011 09:00:44 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[email]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[modules]]></category>
		<category><![CDATA[perl]]></category>
		<category><![CDATA[pop3]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[sendmail]]></category>
		<category><![CDATA[smtp]]></category>
		<category><![CDATA[ip address]]></category>
		<category><![CDATA[randomize]]></category>
		<category><![CDATA[rotate]]></category>
		<category><![CDATA[sequence]]></category>
		<category><![CDATA[serialize]]></category>
		<category><![CDATA[storable]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=1536</guid>
		<description><![CDATA[Someone asked me if i can make a perl scripts that can change the ip address based on time interval, say he want ip address 1.2.3.4 used within one hour, if done next ip address will be used within next one hour..and so on. when it came to highest number of ip address in array, <a href='http://www.kutukupret.com/2011/11/15/postfix-changing-outgoing-ip-by-time-interval-using-tcp_table-and-perl/'>[...]</a>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Postfix, Rate Limiting Inbound Emails Using SenderScore And Memcache</title>
		<link>http://www.kutukupret.com/2011/08/15/postfix-rate-limiting-inbound-emails-using-senderscore-and-memcache/</link>
		<comments>http://www.kutukupret.com/2011/08/15/postfix-rate-limiting-inbound-emails-using-senderscore-and-memcache/#comments</comments>
		<pubDate>Mon, 15 Aug 2011 03:13:34 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[dns]]></category>
		<category><![CDATA[dnsbl]]></category>
		<category><![CDATA[dnswl]]></category>
		<category><![CDATA[email]]></category>
		<category><![CDATA[filter]]></category>
		<category><![CDATA[memcached]]></category>
		<category><![CDATA[memory]]></category>
		<category><![CDATA[perl]]></category>
		<category><![CDATA[plugin]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[policy]]></category>
		<category><![CDATA[policy delegation]]></category>
		<category><![CDATA[rate limiting]]></category>
		<category><![CDATA[SenderScore]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=1517</guid>
		<description><![CDATA[I received email from someone fiew days ago, he directed me to an article about senderscore and and asked if I could make it usable. Actually, I&#8217;m not very familiar with how senderscore work. I&#8217;ve read the article and see the FAQ at https://senderscore.org/. I have found that senderscore can be queried with a format <a href='http://www.kutukupret.com/2011/08/15/postfix-rate-limiting-inbound-emails-using-senderscore-and-memcache/'>[...]</a>]]></description>
		<wfw:commentRss>http://www.kutukupret.com/2011/08/15/postfix-rate-limiting-inbound-emails-using-senderscore-and-memcache/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Postfix, Omar Kilani&#8217;s Memcache Patch Try-Out</title>
		<link>http://www.kutukupret.com/2011/08/09/postfix-omar-kilanis-memcache-patch-try-out/</link>
		<comments>http://www.kutukupret.com/2011/08/09/postfix-omar-kilanis-memcache-patch-try-out/#comments</comments>
		<pubDate>Tue, 09 Aug 2011 03:34:27 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[c]]></category>
		<category><![CDATA[email]]></category>
		<category><![CDATA[filter]]></category>
		<category><![CDATA[memcached]]></category>
		<category><![CDATA[memory]]></category>
		<category><![CDATA[modules]]></category>
		<category><![CDATA[patch]]></category>
		<category><![CDATA[pop3]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[sendmail]]></category>
		<category><![CDATA[smtp]]></category>
		<category><![CDATA[libmemcache]]></category>
		<category><![CDATA[memcache]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=1507</guid>
		<description><![CDATA[I was rewrote Omar Kilani&#8217;s memcache patch couple of weeks ago. But that was not tested due to lack of time and unavailability of servers that can be used. Now, i got chance to implement simple test. This is my configuration: main.cf memcache.cf Entry on memcache Query using postmap A little bit too verbose i <a href='http://www.kutukupret.com/2011/08/09/postfix-omar-kilanis-memcache-patch-try-out/'>[...]</a>]]></description>
		<wfw:commentRss>http://www.kutukupret.com/2011/08/09/postfix-omar-kilanis-memcache-patch-try-out/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Geo Location DNSBL Using Perl, Memcached And GeoIP</title>
		<link>http://www.kutukupret.com/2011/07/28/geo-location-dnsbl-using-perl-memcached-and-geoip/</link>
		<comments>http://www.kutukupret.com/2011/07/28/geo-location-dnsbl-using-perl-memcached-and-geoip/#comments</comments>
		<pubDate>Thu, 28 Jul 2011 07:17:14 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[bind9]]></category>
		<category><![CDATA[database]]></category>
		<category><![CDATA[dns]]></category>
		<category><![CDATA[dnsbl]]></category>
		<category><![CDATA[email]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[memcached]]></category>
		<category><![CDATA[memory]]></category>
		<category><![CDATA[perl]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[smtp]]></category>
		<category><![CDATA[geo location]]></category>
		<category><![CDATA[geoip]]></category>
		<category><![CDATA[memcache]]></category>
		<category><![CDATA[nameserver]]></category>
		<category><![CDATA[rbl]]></category>
		<category><![CDATA[ube]]></category>
		<category><![CDATA[uce]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=1491</guid>
		<description><![CDATA[In my last article about the DNSBL and memcached, I wrote how to use memcached to store the data for the DNSBL. It led me to other new ideas to make the Geo Location DNSBL. In previous article I put data into memcached with the following format: Example: Each ip address has a pair of <a href='http://www.kutukupret.com/2011/07/28/geo-location-dnsbl-using-perl-memcached-and-geoip/'>[...]</a>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>DNSBL Using Perl And Memcached</title>
		<link>http://www.kutukupret.com/2011/07/27/dnsbl-using-perl-and-memcached/</link>
		<comments>http://www.kutukupret.com/2011/07/27/dnsbl-using-perl-and-memcached/#comments</comments>
		<pubDate>Wed, 27 Jul 2011 12:44:59 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[bash]]></category>
		<category><![CDATA[dns]]></category>
		<category><![CDATA[dnsbl]]></category>
		<category><![CDATA[email]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[memory]]></category>
		<category><![CDATA[perl]]></category>
		<category><![CDATA[smtp]]></category>
		<category><![CDATA[spam]]></category>
		<category><![CDATA[memcache]]></category>
		<category><![CDATA[nameserver]]></category>
		<category><![CDATA[rbl]]></category>
		<category><![CDATA[ube]]></category>
		<category><![CDATA[uce]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=1486</guid>
		<description><![CDATA[DNSBL is a DNS based blackhole list, which can be used as countermeasure against unsolicited mail spam. One of the most efficient ways to block mail spam is to do it on SMTP conversation stage by denying incoming connects from spam sources, where the source machine is identified by its IP address which is checked <a href='http://www.kutukupret.com/2011/07/27/dnsbl-using-perl-and-memcached/'>[...]</a>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>postfix, integrating memcache as a lookup table using tcp_table</title>
		<link>http://www.kutukupret.com/2011/07/20/postfix-integrating-memcache-as-a-lookup-table-using-tcp_table/</link>
		<comments>http://www.kutukupret.com/2011/07/20/postfix-integrating-memcache-as-a-lookup-table-using-tcp_table/#comments</comments>
		<pubDate>Wed, 20 Jul 2011 14:16:51 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[email]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[memcached]]></category>
		<category><![CDATA[modules]]></category>
		<category><![CDATA[perl]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[smtp]]></category>
		<category><![CDATA[Cache::Memcached]]></category>
		<category><![CDATA[check_recipient_access]]></category>
		<category><![CDATA[mta]]></category>
		<category><![CDATA[script]]></category>
		<category><![CDATA[smtpd_recipient_restrictions]]></category>
		<category><![CDATA[tcp_table]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=1478</guid>
		<description><![CDATA[I have not had time to do the test &#8220;postfix memcached patch&#8221; because there are no idle servers that can be used for the experiment. instead, I&#8217;ve made a tutorial how to integrate memcached as a &#8220;postfix lookup table&#8221; with the help of tcp_table and a simple perl script. Indeed, tcp_table &#8220;table lookup protocol&#8221; is <a href='http://www.kutukupret.com/2011/07/20/postfix-integrating-memcache-as-a-lookup-table-using-tcp_table/'>[...]</a>]]></description>
		<wfw:commentRss>http://www.kutukupret.com/2011/07/20/postfix-integrating-memcache-as-a-lookup-table-using-tcp_table/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Postfix, Dynamic OverQuota User Map Script Using Bash And Inotifywait</title>
		<link>http://www.kutukupret.com/2011/07/14/postfix-dynamic-overquota-user-map-script-using-bash-and-inotifywait/</link>
		<comments>http://www.kutukupret.com/2011/07/14/postfix-dynamic-overquota-user-map-script-using-bash-and-inotifywait/#comments</comments>
		<pubDate>Thu, 14 Jul 2011 13:47:59 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[bash]]></category>
		<category><![CDATA[database]]></category>
		<category><![CDATA[email]]></category>
		<category><![CDATA[kernel]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[mysql]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[smtp]]></category>
		<category><![CDATA[check_recipient_access]]></category>
		<category><![CDATA[inotify-tools]]></category>
		<category><![CDATA[inotifywait]]></category>
		<category><![CDATA[maildir]]></category>
		<category><![CDATA[quota]]></category>
		<category><![CDATA[script]]></category>
		<category><![CDATA[smtpd_recipient_restrictions]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=1450</guid>
		<description><![CDATA[I recently experimented with a simple bash script, inotifywait and  smtpd_recipient_restrictions (check_recipient_access) to map email users who have exceeded the quota. Well, during testing, i&#8217;ve noticed when using hash/texthash lookup tables, it needed to be reloaded in order smtpd detect changes in table.so i&#8217;ve made quick test on mysql_tables it seem updating record on tables will <a href='http://www.kutukupret.com/2011/07/14/postfix-dynamic-overquota-user-map-script-using-bash-and-inotifywait/'>[...]</a>]]></description>
		<wfw:commentRss>http://www.kutukupret.com/2011/07/14/postfix-dynamic-overquota-user-map-script-using-bash-and-inotifywait/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Postfix, One Way Maildir Replication / Backup Using Inotify And Rsync</title>
		<link>http://www.kutukupret.com/2011/06/28/postfix-one-way-maildir-replication-backup-using-inotify-and-rsync/</link>
		<comments>http://www.kutukupret.com/2011/06/28/postfix-one-way-maildir-replication-backup-using-inotify-and-rsync/#comments</comments>
		<pubDate>Tue, 28 Jun 2011 04:14:50 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[bash]]></category>
		<category><![CDATA[centos]]></category>
		<category><![CDATA[email]]></category>
		<category><![CDATA[patch]]></category>
		<category><![CDATA[pop3]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[sendmail]]></category>
		<category><![CDATA[smtp]]></category>
		<category><![CDATA[authentication]]></category>
		<category><![CDATA[backup]]></category>
		<category><![CDATA[certificate]]></category>
		<category><![CDATA[dnotify]]></category>
		<category><![CDATA[High Availability]]></category>
		<category><![CDATA[inotify]]></category>
		<category><![CDATA[inotify-tools]]></category>
		<category><![CDATA[inotifywait]]></category>
		<category><![CDATA[maildir]]></category>
		<category><![CDATA[public key]]></category>
		<category><![CDATA[redundant]]></category>
		<category><![CDATA[replication]]></category>
		<category><![CDATA[rsync]]></category>
		<category><![CDATA[sshd]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=1392</guid>
		<description><![CDATA[After I wrote about Maildir replication, using ChironFS and DRBD, this time I will write how to make maildir replication, using a very well known program utility called rsync. basically, rsync itself, does not do realtime replication process. rsync only perform the synchronization/copy process when needed or scheduled by using the crontab. like cp, rsync <a href='http://www.kutukupret.com/2011/06/28/postfix-one-way-maildir-replication-backup-using-inotify-and-rsync/'>[...]</a>]]></description>
		<wfw:commentRss>http://www.kutukupret.com/2011/06/28/postfix-one-way-maildir-replication-backup-using-inotify-and-rsync/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>postfix-2.8.4-RC1 SRC RPM</title>
		<link>http://www.kutukupret.com/2011/06/21/postfix-2-8-4-rc1-src-rpm/</link>
		<comments>http://www.kutukupret.com/2011/06/21/postfix-2-8-4-rc1-src-rpm/#comments</comments>
		<pubDate>Tue, 21 Jun 2011 07:36:57 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[email]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[sendmail]]></category>
		<category><![CDATA[smtp]]></category>
		<category><![CDATA[package]]></category>
		<category><![CDATA[postfix-2.8.4-RC1]]></category>
		<category><![CDATA[rpm]]></category>
		<category><![CDATA[source]]></category>
		<category><![CDATA[src rpm]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=1383</guid>
		<description><![CDATA[postfix-2.8.4-RC1 HISTORY 20110420 Performance: a high load of DSN success notification requests could slow down the queue manager. Solution: make the trace client asynchronous, just like the bounce and defer clients. Problem reported by Eduardo M. Stelmaszczyk of terra.com.br. Files: global/abounce.[hc], *qmgr/qmgr_active.c (the qmgr_active.c files are identical). 20110418 Bugfix (introduced Postfix 2.3 and Postfix 2.7): <a href='http://www.kutukupret.com/2011/06/21/postfix-2-8-4-rc1-src-rpm/'>[...]</a>]]></description>
		<wfw:commentRss>http://www.kutukupret.com/2011/06/21/postfix-2-8-4-rc1-src-rpm/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>postfix-2.9.20110615 SRC RPM</title>
		<link>http://www.kutukupret.com/2011/06/20/postfix-2-9-20110615-src-rpm/</link>
		<comments>http://www.kutukupret.com/2011/06/20/postfix-2-9-20110615-src-rpm/#comments</comments>
		<pubDate>Mon, 20 Jun 2011 09:15:15 +0000</pubDate>
		<dc:creator>leenoux</dc:creator>
				<category><![CDATA[email]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[smtp]]></category>
		<category><![CDATA[package]]></category>
		<category><![CDATA[postfix-2.9.20110615]]></category>
		<category><![CDATA[rpm]]></category>
		<category><![CDATA[rpm source]]></category>
		<category><![CDATA[source rpm]]></category>

		<guid isPermaLink="false">http://www.kutukupret.com/?p=1377</guid>
		<description><![CDATA[postfix-2.9.20110615 HISTORY 20110614 Linux kernel version 3 support. Linus Torvalds has reset the counters for reasons not related to changes in code.  Files: makedefs, util/sys_defs.h. 20110615 Workaround: some Spamhaus RHSBL rejects lookups with &#8220;No IP queries&#8221; even if the name has an alphanumerical prefix. We play safe, and skip both RHSBL and RHSWL queries for <a href='http://www.kutukupret.com/2011/06/20/postfix-2-9-20110615-src-rpm/'>[...]</a>]]></description>
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		<slash:comments>0</slash:comments>
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