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Exim4 virtual hosts
by Richard Lewis 08 Oct '07

08 Oct '07

Hello ALUG, I mentioned this on #alug the other day, but I thought I'd just check to see if anyone else has any ideas regarding it - especially as I can go into more detail here. My mail setup on my server has broken. I'm using Exim's virtual host method to forward mail sent to the server to a couple of different places. In /etc/exim4/virtual I have files for the domains: /etc/exim4/virtual +- ariada.uea.ac.uk +- sara.uea.ac.uk +- studios.uea.ac.uk which contain rules like: admin : richard.lewis(a)uea.ac.uk * : :fail: Unknown recipient. Please direct general comments to comments(a)studios.uea.ac.uk I have the necessary config in 350_exim4-config_vdom_aliases and I have: domainlist local_domains = @:localhost:dsearch;/etc/exim4/virtual in 01_exim4-config_listmacrosdefs. I've configured Exim using dpkg-reconfigure exim4-config answering like this: 1) internet site; mail is sent and received directly using SMTP 2) System mail name: musariada.mus.uea.ac.uk 3) IP-addresses to listen on for incoming SMTP connections: 139.222.208.19 4) Other destinations for which mail is accepted: studios.uea.ac.uk; sara.uea.ac.uk; ariada.uea.ac.uk 5) Domains to relay mail for: none 6) Machines to relay mail for: none 7) Keep number of DNS-queries minimal: no 8) Delivery method for local mail: mbox format in /var/mail/ 9) Split configuration into small files? yes When I try to send mail to, e.g., events(a)studios.uea.ac.uk I get the following error in /var/log/exim4/mainlog 2007-10-08 10:07:54 no IP address found for host MAIN_RELAY_NETS (during SMTP connection from mailgate5.uea.ac.uk [139.222.130.185]) 2007-10-08 10:07:54 H=mailgate5.uea.ac.uk [139.222.130.185] F=<richardlewis(a)fastmail.co.uk> rejected RCPT <events(a)studios.uea.ac.uk>: Unrouteable address and I get an "undeliverable" message from the UEA mail server (see below). Does anyone know why my Exim is not forwarding mail correctly? I'm afraid I don't really understand email and consequently I don't know exactly what's wrong here. When a message is sent to, e.g., events(a)studios.uea.ac.uk, does it go to some uea.ac.uk server first (mailgate5.uea.ac.uk?) and then does this server attempt to begin an SMTP conversation with my server? If so, is my server engaging with it correctly? And why is my server rejecting mail? (/Is/ my server rejecting mail?) Is it because it can't forward it to richard.lewis(a)uea.ac.uk? If not, why not? When I first set this up (in June, I think) I'm sure it used to work. Someone on #alug suggested that sending mail to canonical domain names (which studios.uea.ac.uk is) is not a good idea? Could this be the problem? But if it is, why do I see evidence of a connection in my Exim log? Surely if it was not possible to send mail to CNAME domains, it wouldn't even begin a connection? Any information would be very much appreciated. Cheers, Richard -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Richard Lewis http://www.richard-lewis.me.uk/ JID: ironchicken(a)jabber.earth.li -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- +-------------------------------------------------------+ |Please avoid sending me Word or PowerPoint attachments.| |http://www.gnu.org/philosophy/no-word-attachments.html | +-------------------------------------------------------+ > Return-Path: <> > X-Spam-Checker-Version: SpamAssassin 3.2.1 (2007-05-02) on aquila > X-Spam-Level: > X-Spam-Status: No, score=-2.6 required=5.0 tests=AWL,BAYES_00 > autolearn=ham version=3.2.1 > Delivered-To: unknown > Received: from mail.messagingengine.com (66.111.4.52) by aquila > with IMAP4; 08 Oct 2007 09:10:04 -0000 > Received: from compute1.internal (compute1.internal > [10.202.2.41]) by store11m.internal (Cyrus v2.3.9-fmsvn12891) > with LMTPA; Mon, 08 Oct 2007 05:07:56 -0400 > X-Sieve: CMU Sieve 2.3 > X-Resolved-to: richardlewis(a)fastmail.co.uk > X-Delivered-to: richardlewis(a)fastmail.co.uk > X-Mail-from: > Received: from mx2.messagingengine.com ([10.202.2.201]) > by compute1.internal (LMTPProxy); Mon, 08 Oct 2007 05:07:56 > -0400 Received: from mailgate5.uea.ac.uk (mailgate5.uea.ac.uk > [139.222.130.185]) by mx2.messagingengine.com (Postfix) with > ESMTP id D97521DE10A for <richardlewis(a)fastmail.co.uk>; Mon, 8 > Oct 2007 05:07:55 -0400 (EDT) Received: from eximuea by > mailgate5.uea.ac.uk with local (Exim 4.50) id 1Ieoag-0003rn-Fe > for richardlewis(a)fastmail.co.uk; Mon, 08 Oct 2007 10:07:54 +0100 > X-Failed-Recipients: events(a)studios.uea.ac.uk > Auto-Submitted: auto-generated > From: Mail Delivery System <Mailer-Daemon(a)uea.ac.uk> > To: richardlewis(a)fastmail.co.uk > Subject: Mail delivery failed: returning message to sender > Message-Id: <E1Ieoag-0003rn-Fe(a)mailgate5.uea.ac.uk> > Date: Mon, 08 Oct 2007 10:07:54 +0100 > X-Length: 3185 > X-UID: 1742 > > This message was created automatically by mail delivery software. > > A message that you sent could not be delivered to one or more of > its recipients. This is a permanent error. The following > address(es) failed: > > events(a)studios.uea.ac.uk > SMTP error from remote mailer after RCPT > TO:<events(a)studios.uea.ac.uk>: host musariada.mus.uea.ac.uk > [139.222.208.19]: > 550 Unrouteable address > > ------ This is a copy of the message, including all the headers. > ------ > > Return-path: <richardlewis(a)fastmail.co.uk> > Received: from [139.222.131.82] (helo=ueams4) > by mailgate5.uea.ac.uk with esmtp (Exim 4.50) > id 1IeoaU-0003mk-AU > for events(a)studios.uea.ac.uk; Mon, 08 Oct 2007 10:07:54 +0100 > Received: from [139.222.208.38] (helo=rjl.mus.uea.ac.uk) > by ueams4 with esmtp (Exim 4.66) > (envelope-from <richardlewis(a)fastmail.co.uk>) > id 1IeoaU-00046I-6a > for events(a)studios.uea.ac.uk; Mon, 08 Oct 2007 10:07:42 +0100 > From: Richard Lewis <richardlewis(a)fastmail.co.uk> > To: events(a)studios.uea.ac.uk > Subject: TEST > Date: Mon, 8 Oct 2007 10:07:40 +0100 > User-Agent: KMail/1.9.7 > MIME-Version: 1.0 > Content-Type: text/plain; > charset="utf-8" > Content-Transfer-Encoding: 7bit > Content-Disposition: inline > Message-Id: <200710081007.41262.richardlewis(a)fastmail.co.uk> > X-UEA-Spam-Score: -2.8 > X-UEA-Spam-Level: -- > X-UEA-Spam-Flag: NO > > TEST > -- > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- > Richard Lewis > http://www.richard-lewis.me.uk/ > JID: ironchicken(a)jabber.earth.li > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- > +-------------------------------------------------------+ > |Please avoid sending me Word or PowerPoint attachments.| > |http://www.gnu.org/philosophy/no-word-attachments.html | > +-------------------------------------------------------+

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Postfix problems - local email has stopped
by Barry Samuels 08 Oct '07

08 Oct '07

I was trying to enable SASL support for Postfix but couldn't get it to work and have now tried to disable it again and although outside mail still seems to be arriving local mail is stuck in the queue. Postfix -p gives: -Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient------- 0C8EF34FA4 1892 Mon Oct 8 14:02:04 logcheck@mydomain (mail transport unavailable) barry@mydomain Nothing I've done will shift this. If I restart Postfix I get this in syslog: postfix/master[9161]: daemon started -- version 2.4.5, configuration etc/postfix postfix/postfix-script[9182]: refreshing the Postfix mail system postfix/master[9161]: reload configuration /etc/postfix postfix/qmgr[9188]: 0C8EF34FA4: from=<logcheck@mydomain>, size=1892, nrcpt=1 (queue active) postfix/smtp[9198]: fatal: garbage after numerical service in server description: [127.0.0.1]:10024 smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd postfix/qmgr[9188]: warning: private/smtp-amavis socket: malformed response postfix/qmgr[9188]: warning: transport smtp-amavis failure -- see a previous warning/fatal/panic logfile record for the problem description postfix/qmgr[9188]: warning: connect to transport retry: No such file or directory postfix/master[9161]: warning: process /usr/lib/postfix/smtp pid 9198 exit status 1 postfix/master[9161]: warning: /usr/lib/postfix/smtp: bad command startup -- throttling Some emergency help would be appreciated. -- Barry Samuels http://www.beenthere-donethat.org.uk The Unofficial Guide to Great Britain

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[ALUG Announce] 2nd Thursday Norwich Meet : Reindeer, Dereham Road
by Jonathan McDowell 07 Oct '07

07 Oct '07

ALUG Announce Please send announcements to Announce(a)lists.alug.org.uk Unsub, change settings via http://lists.alug.org.uk/mailman/listinfo/announce ----- The monthly "Second Thursday" ALUG Norwich Pub Meet is this Thursday, 11th October. It will probably be my last for the foreseeable future as I'm moving back to Northern Ireland in a couple of weeks. It's at the Reindeer pub on the Dereham Road, just opposite the City Gate. People will be there from 8pm-ish, though there may be a few people there earlier. Topics for discussion will no doubt be as varied as ever. The Reindeer has a reasonable selection of beer as well as decent coffee (with biscuits, if you're lucky). Directions to the Reindeer can be found at: http://www.alug.org.uk/venues/reindeer.html Pictures of some of the regulars, and irregulars, and, well, just some pictures of people that might or might not turn up are available from: http://www.earth.li/~noodles/Photos/2007-05-ALUG/ http://www.earth.li/~noodles/Photos/2006-02-ALUG/ http://the.earth.li/~noodles/stilvoid-alug/mp20050811/ http://www.earth.li/~noodles/Photos/2005-01-ALUG-Xmas/ http://www.earth.li/~noodles/Photos/2004-08-ALUG/ Which should hopefully aid those of you wondering who to look out for - the most recent images are from the meet a few months back. We now have an area reserved for us, so should be easier to find. As you enter through the main door you'll see a small set of steps ahead of you - the area just up those steps and to the left is where we'll be. J. -- ] http://www.earth.li/~noodles/ [] "It only counts as a lie-in if you [ ] PGP/GPG Key @ the.earth.li [] don't get dressed before tea [ ] via keyserver, web or email. [] time." -- Steve Willison [ ] RSA: 4DC4E7FD / DSA: 5B430367 [] [ ----- Send discussion replies to main(a)lists.alug.org.uk (Reply-To set) Unsub, change settings via http://lists.alug.org.uk/mailman/listinfo/announce

1 0

Determining configure options from debian source packages
by Mark Rogers 07 Oct '07

07 Oct '07

How do I determine the options used for ./configure when a .deb package was built? I want to build a new package from a newer version of the software and make it as close to a drop-in replacement as possible, so getting the ./configure options right is presumably important. As a broader question, is there a generally good way to do this type of thing? I'm currently planning to get the ./configure right, then make / checkinstall -D and see what I get. The package in question is dspam (3.6.8 in repos, 3.8 I want). -- Mark Rogers // More Solutions Ltd (Peterborough Office) // 0845 45 89 555 Registered in England (0456 0902) at 13 Clarke Rd, Milton Keynes, MK1 1LG

2 2

Stopping Apache running scripts from writeable directories
by Mark Rogers 07 Oct '07

07 Oct '07

Is it possible to prevent Apache from running a script from a writeable directory? It's common these days to have some writeable directories with (for example) CMS packages like Joomla, which use them for uploaded images etc. However I have a server that's been exploited through a badly written plugin which used the normal upload mechanism to upload the script, then ran the script directly via an HTTP request to the uploaded file. That script was used to send spam, so despite the limited write permissions it was restricted to it was still able to do a lot of harm. Any of my own code which requires this always puts the writeable directories outside docroot but that doesn't seem to be an option with Joomla and others like her. I appreciate that they could still be "included" through abuse of a badly written script in a read-only directory, but that's at least an order of magnitude harder. I know that the ability to upload new templates/plugins/etc would break if I achieve what I'm asking, but it's no big deal having a script which adds temporary write permissions whilst installing a module and removes them afterwards. Allowing end users to upload avatars and other images seems to be the way of the world these days though. -- Mark Rogers // More Solutions Ltd (Peterborough Office) // 0845 45 89 555 Registered in England (0456 0902) at 13 Clarke Rd, Milton Keynes, MK1 1LG

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Java plugins
by Yvonne Everett 03 Oct '07

03 Oct '07

Hi I've got an application that runs through a web browser. While this works fine through IE I cant get the correct plugin to get it working through Firefox on Linux. The plugin for IE is: jre-1_5_0-windows-i586.exe Through Adept (I'm running Kubuntu Edgy) I've searched for "jre" and have selected "sun-java5-jre" to install but this comes back with errors committing changes and doesnt complete. Any suggestions most welcome!!?? -- Yvonne Everett Email: ye103910(a)googlemail.com

5 10

OT: Possible web server setup work for interested parties
by Ashley Howes 03 Oct '07

03 Oct '07

Hi, I know a few of you in ALUG have experience setting up web servers on a commerical basis. I run my own web development company and have the need for the configuration of a dedicated box. The box will run a single domain with Apache / PHP / mySQL. I need to find someone who has the experience to configure a Ubuntu-based box. Tasks include setting up the domain, DNS, setup mail/SMTP, make changes to Apache config to possibily extend script execution times, etc. If you can help, please email me off-list. Please let me know rates, experience and availability. Thanks in advance for any assistance you can provide. -- Ashley

1 0

Re: [ALUG] LinuXmas Celebrations
by samwise 02 Oct '07

02 Oct '07

This time to the list!! On 29/09/2007, David Reynolds <david(a)reynoldsfamily.org.uk> wrote: > Peter, > > ALUG Christmas meals seem to traditionally happen early in the year > after the Christmas in question - mainly because it's difficult to > book somewhere and organise everyone around the Christmas period. > > Last Christmas' celebration, for example, was a meal earlier this > year at the Reindeer. > > Thanks, > > David David, I'm all for doing something in the new year, if that's easier for people's diaries. You've missed the big point tho ... we're now at two ends of the region. :) Understandable that it's been traditional of late to hold it at the Reindeer, but now we have two groups do we want: a) two separate events (open to all) or b) one combined event (either located in Ipswich or Norwich* with the expectation of travel, or located somewhere between the two) On 29/09/2007, Venura Mendis <venuram(a)gmail.com> wrote: > sounds like a plan pete. happy with go with separate or single big > event. I havent done a night out in norwich! a day out also sounds > cool. Not being v helpful here but am happy either way Nope, support is great - sounds like at least one other person down here would be willing to travel north, which is a good thing to know! If noone else from our end speaks up, I've no problem with us just going up to the belated Xmas meal in Norwich in the New Year ... Peter. * Assuming that the Ipswich meets continue strongly through the next year too, we could alternate years i.e. one year, Ipswich, one year Norwich.

4 6

Where does mysql put its databases - and what are they called?
by Chris G 02 Oct '07

02 Oct '07

I need to find a database! :-) On my Slackware installation I had (well, still have if I start it) a database called 'addresses'. I want to copy it across to the Fedora installation so that mysql on Fedora can see the database. However I can't find the database. I've tried 'locate addresses' but nothing there looks remotely like a database file (or files). I suspect that mysql buries all of its databases in one big file somewhere but what's it called? Thinking about it maybe what I need to do is boot up the Slackware installation and export the addresses database from mysql, then import it into the Fedora installation. Alternatively maybe I could just copy the whole of the mysql data across over the top of the Fedora files which only have the basics and a root user at the moment. -- Chris Green

4 4

Using a virtual machine to build packages
by Mark Rogers 02 Oct '07

02 Oct '07

I sometimes find I need to build applications from source for use on a live server. I don't like the idea of installing build tools on the server, so I want to create a virtual machine on my desktop to build the applications so all I need to do is install them on the server. As a specific example, I have an Ubuntu-based mail server using postfix (installed from repositories). However, I need to add virtual mailbox quota support, using the patches here: http://vda.sourceforge.net/ So my theory is that I can create a new Ubuntu VM, install the postfix source package and compile tools, apply the patch, then build the .deb from that to install on the live server, replacing the version in the repositories. Is that a sensible approach? If yes, although I have a rough idea what is needed I'm on the edge of my knowledge. Once I have the source installed and patched (assuming that the instructions with the patch help me get that far!) how do I then build the .deb, and how to I install it so that it doesn't conflict with the existing package from the repositories? PS: Rereading the above before posting, it might come across that I'm asking for help setting up the VM - that bit I can do. It's the step sideways from a complete binary install from repositories which is making me nervous! Mark Rogers

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