<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><FONT size=3>I’m not too sure, to be honest.<SPAN style="mso-spacerun: yes"> </SPAN>I’ve just sent a test message from the LAN to an invalid external user (eg asdhka@btinternet.com), and I received a ‘non delivery’ message from the mail server of the domain saying the mailbox I was trying to send to was invalid.<SPAN style="mso-spacerun: yes"> </SPAN>Is this what you mean?</FONT></SPAN></DIV>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p><FONT size=3> </FONT></o:p></SPAN></DIV>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><FONT size=3>My postfix configuration file has the following line:<o:p></o:p></FONT></SPAN></DIV>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><o:p><FONT size=3> </FONT></o:p></SPAN></DIV>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><FONT size=3>debug_peer_level = 2<o:p></o:p></FONT></SPAN></DIV>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><o:p><FONT size=3> </FONT></o:p></SPAN></DIV>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><FONT size=3>What level should I set it to in order to get some more information?<SPAN style="mso-spacerun: yes"> </SPAN>I may be looking in the wrong places, but I’m struggling to find logs which show emails passing through the system.<SPAN style="mso-spacerun: yes"> </SPAN>The mail and imapd logs seem to show the same information, and the info is similar to that which I posted earlier, with some additional stuff showing users logging into their Inbox and other folders etc.<o:p></o:p></FONT></SPAN></DIV><BR><BR>--- On <B>Mon, 19/4/10, Joseph Brennan <I><brennan@columbia.edu></I></B> wrote:<BR>
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(16,16,255) 2px solid"><BR>From: Joseph Brennan <brennan@columbia.edu><BR>Subject: Re: Cyrus vacation notice<BR>To: info-cyrus@lists.andrew.cmu.edu<BR>Date: Monday, 19 April, 2010, 15:14<BR><BR>
<DIV class=plainMail><BR><BR>> From: <outofofficeuser@domain><BR>> To: <<A href="http://uk.mc867.mail.yahoo.com/mc/compose?to=root@server.domain" ymailto="mailto:root@server.domain">root@server.domain</A>><BR>> Subject: Absence notification<BR><BR><BR>This would be OK if the incoming message came from <A href="http://uk.mc867.mail.yahoo.com/mc/compose?to=root@server.domain" ymailto="mailto:root@server.domain">root@server.domain</A>.<BR><BR>Are you doing something funny at the gateway, such that mail gets re-sent<BR>to the cyrus system with MAIL FROM <<A href="http://uk.mc867.mail.yahoo.com/mc/compose?to=root@server.domain" ymailto="mailto:root@server.domain">root@server.domain</A>> ? If so, bounces<BR>don't go back to sender either. Have people reported that too?<BR><BR>Look at the log records on the gateway and the cyrus system to see what<BR>the sender address is.<BR><BR><BR>Joseph Brennan<BR>Lead Email Systems
Engineer<BR>Columbia University Information Technology<BR><BR><BR><BR><BR>----<BR>Cyrus Home Page: <A href="http://cyrusimap.web.cmu.edu/" target=_blank>http://cyrusimap.web.cmu.edu/</A><BR>Cyrus Wiki/FAQ: <A href="http://cyrusimap.web.cmu.edu/twiki" target=_blank>http://cyrusimap.web.cmu.edu/twiki</A><BR>List Archives/Info: <A href="http://asg.web.cmu.edu/cyrus/mailing-list.html" target=_blank>http://asg.web.cmu.edu/cyrus/mailing-list.html</A><BR></DIV></BLOCKQUOTE></td></tr></table>