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<DIV><FONT face=Verdana color=#000080 size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Verdana color=#000080 size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Verdana color=#000080 size=2>nginx can solve this problem very 
well.</FONT></DIV>
<DIV><FONT color=#000080>you can run nginx on </FONT><FONT 
color=#000000>Guest01, who have a external IP</FONT></DIV>
<DIV>and all the other servers are in your local network, with local IP.</DIV>
<DIV>&nbsp;</DIV>
<DIV>when Guest01 received requests from Internet, nginx which are runing on 
Guest01 can forword all the </DIV>
<DIV>request to your local servers, and local servers can send the requested 
data to Internet via nginx who</DIV>
<DIV>is&nbsp;running on Guest01.</DIV>
<DIV>&nbsp;</DIV>
<DIV>come on, boy</DIV>
<DIV><FONT color=#000080></FONT>&nbsp;</DIV>
<DIV><FONT face=Verdana color=#c0c0c0 size=2>2008-12-01 </FONT></DIV><FONT 
face=Verdana color=#000080 size=2>
<HR style="WIDTH: 122px; HEIGHT: 2px" align=left SIZE=2>
</FONT>
<DIV><FONT face=Verdana color=#c0c0c0 size=2><SPAN>fl_cn_web</SPAN> 
</FONT></DIV><FONT face=Verdana color=#000080 size=2>
<HR>
</FONT>
<DIV><FONT face=Verdana size=2><STRONG>发件人:</STRONG> Stephen Liu </FONT></DIV>
<DIV><FONT face=Verdana size=2><STRONG>发送时间:</STRONG> 2008-11-30&nbsp; 23:38:47 
</FONT></DIV>
<DIV><FONT face=Verdana size=2><STRONG>收件人:</STRONG> nginx@sysoev.ru 
</FONT></DIV>
<DIV><FONT face=Verdana size=2><STRONG>抄送:</STRONG> </FONT></DIV>
<DIV><FONT face=Verdana size=2><STRONG>主题:</STRONG> My first question on nginx - 
can nginx find the mail server based on domain </FONT></DIV>
<DIV><FONT face=Verdana size=2></FONT> </DIV>
<DIV><FONT face=Verdana size=2>
<DIV>Hi&nbsp;folks,</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>nginx&nbsp;is&nbsp;completely&nbsp;new&nbsp;to&nbsp;me.&nbsp;&nbsp;I'm&nbsp;searching&nbsp;around&nbsp;for&nbsp;a&nbsp;solution&nbsp;to</DIV>
<DIV>solve&nbsp;my&nbsp;problem&nbsp;as&nbsp;mentioned&nbsp;hereinbelow;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>I&nbsp;have&nbsp;a&nbsp;Xen&nbsp;box&nbsp;(a&nbsp;virtualizaion&nbsp;box)&nbsp;with&nbsp;following&nbsp;setup</DIV>
<DIV>&nbsp;</DIV>
<DIV>Host&nbsp;-&nbsp;Debian&nbsp;Etch&nbsp;Workstation</DIV>
<DIV>Guest01&nbsp;-&nbsp;mail&nbsp;server&nbsp;for&nbsp;routing</DIV>
<DIV>Guest02&nbsp;-&nbsp;mail&nbsp;server,&nbsp;hostname01.&nbsp;localIP_01,&nbsp;domain01</DIV>
<DIV>Guest03&nbsp;-&nbsp;mail&nbsp;server,&nbsp;hostname02,&nbsp;localIP_02,&nbsp;domain02</DIV>
<DIV>Guest04&nbsp;-&nbsp;mail&nbsp;server,&nbsp;hostname03,&nbsp;localIP_03,&nbsp;domain03</DIV>
<DIV>etc.</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>MTA&nbsp;-&nbsp;Postfix</DIV>
<DIV>Database&nbsp;-&nbsp;MySQL</DIV>
<DIV>Couier&nbsp;IMAP</DIV>
<DIV>etc.</DIV>
<DIV>&nbsp;</DIV>
<DIV>all&nbsp;mail&nbsp;servers&nbsp;running&nbsp;postfix&nbsp;on&nbsp;Debian&nbsp;Etch.</DIV>
<DIV>&nbsp;</DIV>
<DIV>single&nbsp;(one)&nbsp;external&nbsp;IP&nbsp;with&nbsp;all&nbsp;ports&nbsp;forwarded&nbsp;to&nbsp;Guest01&nbsp;except</DIV>
<DIV>port&nbsp;53&nbsp;which&nbsp;is&nbsp;forwarded&nbsp;to&nbsp;the&nbsp;DNS&nbsp;server,&nbsp;also&nbsp;running&nbsp;on&nbsp;a&nbsp;guest</DIV>
<DIV>of&nbsp;the&nbsp;Xen&nbsp;box.</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>Guest01&nbsp;routes&nbsp;all&nbsp;incoming&nbsp;mails&nbsp;according&nbsp;to&nbsp;their&nbsp;domains&nbsp;to</DIV>
<DIV>respective&nbsp;mail&nbsp;servers.&nbsp;&nbsp;All&nbsp;outgoing&nbsp;mails&nbsp;are&nbsp;sent&nbsp;via&nbsp;the&nbsp;routing</DIV>
<DIV>mail&nbsp;server,&nbsp;Guest01,&nbsp;to&nbsp;Internet.</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>The&nbsp;system&nbsp;is&nbsp;working&nbsp;nicely&nbsp;on&nbsp;Intranet.&nbsp;&nbsp;Mail&nbsp;client,&nbsp;Evolution,&nbsp;on</DIV>
<DIV>workstations&nbsp;connected&nbsp;to&nbsp;local&nbsp;network,&nbsp;the&nbsp;Intranet,&nbsp;can&nbsp;send/receive</DIV>
<DIV>mails&nbsp;on&nbsp;mail&nbsp;servers.&nbsp;&nbsp;Server&nbsp;settings&nbsp;on&nbsp;mail&nbsp;client&nbsp;work&nbsp;on</DIV>
<DIV>either&nbsp;local&nbsp;IP&nbsp;or&nbsp;on&nbsp;hostname.&nbsp;&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>My&nbsp;problem&nbsp;is&nbsp;if&nbsp;the&nbsp;workstation&nbsp;is&nbsp;on&nbsp;remote&nbsp;site,&nbsp;not&nbsp;on&nbsp;local</DIV>
<DIV>network,&nbsp;with&nbsp;one&nbsp;external&nbsp;IP&nbsp;how&nbsp;can&nbsp;the&nbsp;remote&nbsp;mail&nbsp;client&nbsp;find&nbsp;the</DIV>
<DIV>mail&nbsp;server&nbsp;which&nbsp;it&nbsp;needs&nbsp;to&nbsp;connect.&nbsp;&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>Can&nbsp;nginx&nbsp;help&nbsp;me&nbsp;out?&nbsp;&nbsp;If&nbsp;YES&nbsp;Please&nbsp;shed&nbsp;me&nbsp;some&nbsp;light&nbsp;where&nbsp;can&nbsp;I</DIV>
<DIV>find&nbsp;relevant&nbsp;document&nbsp;on&nbsp;its&nbsp;setup&nbsp;to&nbsp;solve&nbsp;my&nbsp;problem.&nbsp;&nbsp;TIA</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>B.R.</DIV>
<DIV>Stephen&nbsp;L</DIV>
<DIV>&nbsp;</DIV>
<DIV>Send&nbsp;instant&nbsp;messages&nbsp;to&nbsp;your&nbsp;online&nbsp;friends&nbsp;<A 
href="http://uk.messenger.yahoo.com&nbsp;">http://uk.messenger.yahoo.com&nbsp;</A></DIV>
<DIV>&nbsp;</DIV>
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