qmail Digest 24 Jun 2001 10:00:01 -0000 Issue 1405
qmail Digest 24 Jun 2001 10:00:01 - Issue 1405 Topics (messages 64805 through 64830): Re: GHOSTS AND ASSHOLES OT 64805 by: Roland Mathis 64809 by: Charles Cazabon 64810 by: Henning Brauer 64819 by: Adam McKenna Re: Java and Qmail - building a large mailmerge server - plain text version 64806 by: manav Re: Urgent and Important 64807 by: Charles Cazabon 64811 by: Henning Brauer Re: Wrong Server Name in Qmail Header? 64808 by: Charles Cazabon CName lookup woes 64812 by: Rick Stanley 64815 by: Charles Cazabon Sqwebmail question 64813 by: Brendan McAlpine Is tcp-env necessary? Why? 64814 by: alledm.libero.it 64816 by: Charles Cazabon 64817 by: Henning Brauer Re: mailq 64818 by: Jörgen Persson 64820 by: Russell Nelson Re: Why conf-split prime? 64821 by: Jörgen Persson 64822 by: Jörgen Persson qmail rcptto allow filter 64823 by: Giancarlo De Menna 64824 by: Charles Cazabon Two qmail servers communicating 64825 by: Philip Mak 64826 by: Charles Cazabon 64830 by: tvickers How to block specific user from other domain to deliver message to mydomain 64827 by: Rupak 64828 by: Chris Johnson courier-imapd, folders and delivery 64829 by: Peter Schuller Administrivia: To unsubscribe from the digest, e-mail: [EMAIL PROTECTED] To subscribe to the digest, e-mail: [EMAIL PROTECTED] To bug my human owner, e-mail: [EMAIL PROTECTED] To post to the list, e-mail: [EMAIL PROTECTED] -- Thanks for your help Uwe and Robin. I found Robins mail also funny until he made fun of me. Yes, it's true I should have read the FAQ and should have stated my OS (Redhat Linux 7.0 i386) and logging tool (multilog). I just thought this is kind of standard. What I don't understand why Robin cannot write something like: check the FAQ for answers about how to archive all incoming and outgoing mail and second I cannot help you if you don't tell me your OS and logging tool. It is basically the same, but a lot more friendly. If you just look how much energy people and I mean PEOPLE have to talk about everything else than the question I orginally had, it is hard to believe how difficult it is to remind somebody to read the FAQ or just to ignore boring questions. Roland On Fri, 22 Jun 2001, Robin S. Socha wrote: * Bill Andersen [EMAIL PROTECTED] [010622 13:22]: Russell Nelson [mailto:[EMAIL PROTECTED]] wrote: Then don't ask a public mailing list for help. Instead, go to one of the suppliers of commercial support. How to know which is reliable? Watch this mailing list, and see who's been around longest (has the most established reputation to protect), and who supplies the most clueful answers. I'd buy your suport every day, Russel. And I mean it. Well put. Very much in the spirit of user supported software... May I kindly ask you to, like, get a life? Russel offers commercial support. He's contributing here *A LOT*. You, on the other hand, are a whining luser. Russ, I'm not saying they shouldn't give us the information needed to help them. I'm just of the opinion we shouldn't jump down every newbie's throat just because they are a little over cautious. What dictionary did you look cautious up in? Or are you referring to the OP's overly cautious use of the recommended reading aka FAQ? Put yourself in their shoes. Eh. That's what alt.rec.suicide is for. Imagine walking up to an Automated Teller Machine and seeing a guy, presumably a maintenance worker, adjusting the electronics. He says, The card reader and pad aren't working. Just give me your card and PIN number and I'll swipe it back here. , | Port State Service | 21/tcp openftp | 22/tcp openssh | 23/tcp opentelnet | 25/tcp opensmtp | 79/tcp openfinger | 80/tcp openhttp | 111/tcpfilteredsunrpc | 199/tcpopensmux | 443/tcpopenhttps | 512/tcpopenexec | 513/tcpopenlogin | 514/tcpopenshell | 515/tcpopenprinter | 3306/tcp openmysql | | TCP Sequence Prediction: Class=random positive increments | Difficulty=74755 (Worthy challenge) | Remote operating system guess: BSDI BSD/OS 3.0-3.1 (or possibly MacOS, NetBSD) ` Would you like me to tell you the programs and version numbers to go along with that, too, Sir? Would YOU hand over your card? https://mail.socha.net/about/ - happy cracking, luser. Do you need any help running nmap? All he wants to do it help you, right? Since putting them down is a non-op, yes. Think about it... Talking to yourself a lot, eh? Roland Mathis [EMAIL
Re: Why conf-split prime?
On Fri, 22 Jun 2001, Dave Sill wrote: i = fmt_ulong(s,id % auto_split); len += i; if (s) s += i; I can't see that primality would do anything special here. I am going to give the secret away right here to save your time. :) It is obvious the distribution of B(i) = A(i) mod k will be very non-uniform (i.e. very suboptimal when the values of B(i) are used as hash values) when A(i) or its large subsequences can be expressed as A(i+1) = A(i) + p such that gcd(p, k) 1. Our A(i)'s are inode numbers assigned to files holding the contents of queued messages (queue/mess/*/*). An average implementation of a unix-like filesystem assigns inode numbers less or more sequentially, i.e. the next assigned number is often the last one plus 1. Of course, if we had A(i+1) = A(i) + 1, there would be no problem. Alas, there are 2, 3, or even 4 (or perhaps even more) files per a message in the qmail queue: there are files in mess, as well as files in info, local, and remote. This means A(i)'s are often incremented by 2, 3, or 4, and the risk of uneven distribution of B(i)'s is rather high. Using a prime number for k eliminates this risk for a very small price. After all the set of primes is quite dense for reasonable values (1000) and you can always find a prime close to the number you want to use. However, the default, 23, is prime, and in his only message to the list on the topic of conf-split, DJB suggested a value of 401, also prime, for a queue with 10 entries: 401 is quite close to sqrt(10). It means the sizes of the 1st and 2nd level are quite balanced. But I can only guess why DJB suggested 401 rather than any prime closer to that square root. Why would DJB use primes if they weren't necessary? He uses round numbers elsewhere (concurrencies, for example), so I don't think he just likes them. There is a notation based on the (unique) factorization of numbers. 1 is (0) (or ()), 2 is (1), 3 is (0,1), 6 is (1,1) etc. It has some interesting properties: like an incredible ease of multiplication (and an incredible difficulty of addition). Prime numbers are the *round* ones in this notation. :) On Fri, 22 Jun 2001, Dave Sill wrote: Charles Cazabon [EMAIL PROTECTED] wrote: It does -- a large series of random numbers, modulo some number I, will result in an even distribution of results if and only if I is prime. If I isn't prime, the results are skewed noticeably towards the low end. Hmm. On first reading that, I didn't believe it. I couldn't imagine how the primality of the divisor could magically guarantee an even distribution. Indeed. Given a source A(i) of natural numbers uniformly distributed in a given interval [0, N-1] (lrand48() is *supposed* to be such a source for N = 2^31), it is trivial to show that the distribution D_B(x) of B(i) = A(i) mod k for any natural k 0 is as follows: / ceil(N/k)/N if x N mod k D_B(x) =for each x \in [0, k-1] \ floor(N/k)/N if x = N mod k You can see the results are skewed but for k N, prime or not, the skew is negligible and the resulting distribution is almost uniform. A test showing anything different demonstrates nothing but an imperfection in your PRNG or a flaw in the test itself. Profiling may beat speculation but mathematical reasoning beats profiling anytime. :) On Fri, 22 Jun 2001, Dave Sill wrote: BTW, I modified my modhash program to read numbers from stdin, fed it lists of real, live inode numbers, and guess what? It still makes no difference whether you use a prime hash or not. What real, live inode numbers? Have you picked the inode numbers of messages stuffed in queue/mess/*? With all due respect, I doubt it. Any profiling is pointless when you test something different than you intented to. If you still feel the need, feed your qmail with a large number of messages that will get stuck in the queue (there are four important cases: 1. qmail-send is not running, 2. local deliveries keep failing temporarily, 3. remote deliveries keep failing, 4. both local and remote deliveries keep failing) and test the inode numbers of files in queue/mess/*. And of course, you should repeat the test for different supported unix-like systems. --Pavel Kankovsky aka Peak [ Boycott Microsoft--http://www.vcnet.com/bms ] Resistance is futile. Open your source code and prepare for assimilation.
Re: Why conf-split prime?
On Sun, 24 Jun 2001, Pavel Kankovsky wrote: Using a prime number for k eliminates this risk for a very small price. After all the set of primes is quite dense for reasonable values (1000) and you can always find a prime close to the number you want to use. If course I assume the prime number used is high enough to be different from 2, 3, or perhaps 5, because these small primes are likely to have gcd(k, p) 1. --Pavel Kankovsky aka Peak [ Boycott Microsoft--http://www.vcnet.com/bms ] Resistance is futile. Open your source code and prepare for assimilation.
Re: courier-imapd, folders and delivery
Peter Schuller writes: I want to switch from POP3 to IMAP (finally). I cannot imagine why any enterprise would want to switch from POP3 to IMAP. They are designed to do completely different things. POP3 exists to get the email the heck off your server as quickly as possible, whereas IMAP is designed to keep the email on your server forever. Unless you chose the wrong protocol in the first place, why are you switching? -- -russ nelson [EMAIL PROTECTED] http://russnelson.com Crynwr sells support for free software | PGPok | 521 Pleasant Valley Rd. | +1 315 268 1925 voice | #exclude windows.h Potsdam, NY 13676-3213 | +1 315 268 9201 FAX |
qmail collecting POP3 mail
If I have a load of mail on a system with a single POP3 mailbox for various users, can I get qmail to 'pick up' this mail and deliver it to local users' mailboxes? We currently have another system (running S**dmail) that 'pushes' this mail to our server and we want to change it over so we can pick up the mail if there's any problems with our server's Internet connection (as there has been recently). Or is this something completely separate from qmail? Thanks John -- John Portwin
Re: qmail collecting POP3 mail
John P [EMAIL PROTECTED] wrote: If I have a load of mail on a system with a single POP3 mailbox for various users, can I get qmail to 'pick up' this mail and deliver it to local users' mailboxes? If the POP3 server is running qmail as well, you can install Dan's AutoTURN package -- an automatic ETRN-like way of getting the mail delivered. It's not picking up so much as telling the POP3 server my connectio is up, you can deliver mail to me now. We currently have another system (running S**dmail) that 'pushes' this mail to our server and we want to change it over so we can pick up the mail if there's any problems with our server's Internet connection (as there has been recently). Unnecessary. Make your box the primary MX for your domain, and the other box a secondary MX. Or is this something completely separate from qmail? It's not part of qmail proper. If all else fails (and the admin of the other box is uncooperative) you could always use a POP3 retriever to get the mail, and then deliver it on your box. As it happens, v.2.1.0 of getmail was released yesterday :). See the link in my .sig if you're interested. Charles -- --- Charles Cazabon[EMAIL PROTECTED] GPL'ed software available at: http://www.qcc.sk.ca/~charlesc/software/ ---
anti-virus program for Qmail
Dear all Is there any anti-virus program for qmail? Regards Alex Tsang __ Do You Yahoo!? Get personalized email addresses from Yahoo! Mail http://personal.mail.yahoo.com/
Re: anti-virus program for Qmail
On Sun, Jun 24, 2001 at 07:52:25AM -0700, Alex Tsang wrote: Is there any anti-virus program for qmail? Check http://www.qmail.org/top.html#microsoft Chris PGP signature
Re: courier-imapd, folders and delivery
In a message dated Sun, Jun 24, 2001 at 07:04:36AM +0200, Peter Schuller wrote: My problem is that IMAP folders aren't separate Maildirs. So how do I accomplish the task of delivering mail to specific IMAP folders using procmail (or some other equivalent tool; I only need to filter for mailinglists, nothing advanced)? There is a courier-imap mailing list! Join it! In the meantime, it's pretty simple. Set $MAILDIR and $DEFAULT to $HOME/Maildir/ Then, :0 * From:.*[EMAIL PROTECTED] .satan/ Will write messages to the Maildir used for that folder under a default Courier install. -- rjbs PGP signature
Odd error
I just changed over my maildirs and virtual domains from one server to another, and all seems to be working well. Until now that is. While watching a log tail -f of my qmail-send logs as logged via daemontools piped thru tai64nlocal. 2001-06-24 11:39:57.372243500 warning: trouble opening local/15/755082; will try again later 2001-06-24 11:40:40.231316500 warning: trouble opening local/16/755083; will try again later 2001-06-24 11:41:16.231304500 warning: trouble opening local/17/755084; will try again later 2001-06-24 11:39:57.372243500 warning: trouble opening local/15/755082; will try again later 2001-06-24 11:42:01.231287500 warning: trouble opening local/15/755082; will try again later 2001-06-24 11:42:44.231286500 warning: trouble opening local/16/755083; will try again later 2001-06-24 11:43:20.231255500 warning: trouble opening local/17/755084; will try again later 2001-06-24 11:44:05.231240500 warning: trouble opening local/15/755082; will try again later 2001-06-24 11:44:48.231239500 warning: trouble opening local/16/755083; will try again later What does this mean exactly, and is this a large problem or a minor error? Also, this seems like a serious problem I got while trying to actually send this message via my own server: 220 thor.mystica.cx ESMTP EHLO ODIN 250-thor.mystica.cx 250-PIPELINING 250 8BITMIME RSET 250 flushed MAIL FROM:[EMAIL PROTECTED] 250 ok RCPT TO:[EMAIL PROTECTED] 250 ok DATA 354 go ahead . 451 qq trouble creating files in queue (#4.3.0) QUIT 221 thor.mystica.cx -- Mike Hodson [EMAIL PROTECTED]
Re: Odd error
On Sun, Jun 24, 2001 at 11:59:38AM -0600, Mike Hodson wrote: I just changed over my maildirs and virtual domains from one server to another, and all seems to be working well. Until now that is. While watching a log tail -f of my qmail-send logs as logged via daemontools piped thru tai64nlocal. 2001-06-24 11:39:57.372243500 warning: trouble opening local/15/755082; will try again later 2001-06-24 11:40:40.231316500 warning: trouble opening local/16/755083; will try again later 2001-06-24 11:41:16.231304500 warning: trouble opening local/17/755084; will try again later 2001-06-24 11:39:57.372243500 warning: trouble opening local/15/755082; will try again later 2001-06-24 11:42:01.231287500 warning: trouble opening local/15/755082; will try again later 2001-06-24 11:42:44.231286500 warning: trouble opening local/16/755083; will try again later 2001-06-24 11:43:20.231255500 warning: trouble opening local/17/755084; will try again later 2001-06-24 11:44:05.231240500 warning: trouble opening local/15/755082; will try again later 2001-06-24 11:44:48.231239500 warning: trouble opening local/16/755083; will try again later What does this mean exactly, and is this a large problem or a minor error? Did you move your queue from one machine to the other? If so, your queue needs to be fixed. Look for queue-fix at http://www.qmail.org/top.html Chris
RE: I'm sorry
Please pardon this interuption. I am sending this Email because I have a very good news for you. If you think that the information below is not for you, the removal instruction is at the end of this message Dear Friend, They all laughed when I try the system, But not When I .. - Fly for FREE Korea, Hongkong, Europe, etc - Buy $100,000 house for $600 - Turn $1000 to $4.8 million in 18 months - Get 50% annual return guaranteed by US government - Etc, etc, etc . Now It's Your Turn! To Learn More, go to: http://track.ezinetactics.com/?id=lovette-1225 Sincerely, Nancy Lovette REMOVAL INSTRUCTION To remove yourself from our mailing list Please mail to [EMAIL PROTECTED] and write REMOVE in the subject line
Mail Headers, Exchange and Qmail.
Hi there, I have an Exchange server that sends it SMTP mail through a Qmail Server; the Exchange Server creates a lot of headers revealing a lot of information about our network structure, creating a security risk. Is there any way to delete/modify those headers in Qmail server?. Thanks a lot for yourr help. Best regards.
Can't receive local or remote emails
Hi Everyone I'm keep getting this error and I'm not able to receive any emails to my server. @40003b36734d34995adc status: local 0/10 remote 0/500 @40003b36738c3629a384 starting delivery 26: msg 1425658 to local [EMAIL PROTECTED] @40003b36738c362a246c status: local 1/10 remote 0/500 @40003b36738c37a35ad4 starting delivery 27: msg 1425652 to local [EMAIL PROTECTED] @40003b36738c37a3bc7c status: local 2/10 remote 0/500 @40003b36738d03e0f15c delivery 26: deferral: procmail:_Couldn't_create_/var/spool/mail/admin/procmail:_Lock_failure_on_ /var/spool/mail/admin.lock/procmail:_Error_while_writing_to_/var/spool/ma il/admin/ @40003b36738d03e1e38c status: local 1/10 remote 0/500 @40003b36738d058454a4 delivery 27: deferral: procmail:_Couldn't_create_/var/spool/mail/admin/procmail:_Lock_failure_on_ /var/spool/mail/admin.lock/procmail:_Error_while_writing_to_/var/spool/ma il/admin/ @40003b36738d05852f64 status: local 0/10 remote 0/500
Re: Mail Headers, Exchange and Qmail.
Ivan Menendez [EMAIL PROTECTED] wrote: I have an Exchange server that sends it SMTP mail through a Qmail Server; the Exchange Server creates a lot of headers revealing a lot of information about our network structure, creating a security risk. Is there any way to delete/modify those headers in Qmail server?. Yes; Bruce Guenter's QMAILQUEUE patch (and his qmil-qfilter addon) could be used to strip these headers. See untroubled.org for his software. However, I think you're tilting at windmills. Providing your network is firewalled, the type of information you see in mail headers shouldn't make much of a difference. Charles -- --- Charles Cazabon[EMAIL PROTECTED] GPL'ed software available at: http://www.qcc.sk.ca/~charlesc/software/ ---
Re: Can't receive local or remote emails
newbieportal [EMAIL PROTECTED] wrote: I'm keep getting this error and I'm not able to receive any emails to my server. [...] @40003b36738d03e0f15c delivery 26: deferral: procmail:_Couldn't_create_/var/spool/mail/admin/procmail:_Lock_failure_on_ /var/spool/mail/admin.lock/procmail:_Error_while_writing_to_/var/spool/ma il/admin/ procmail thinks its delivering to /var/spool/mail, and can't create a lockfile in /var/spool/mail. If you're not doing /var/spool/mail deliveries, fix your procmail configuration. Or dump procmail altogether; it's not very necessary with qmail for most purposes. Charles -- --- Charles Cazabon[EMAIL PROTECTED] GPL'ed software available at: http://www.qcc.sk.ca/~charlesc/software/ ---
SMTP Error !
i have qmail installed and working on my server. when i m trying to send a mail using the smtp server i get the message attached below. i have mail.ccipl.com and ccipl.com added to the rcpthosts, locals, plusdomain and me. what could me the problem. what changes should i make to get it working ?? The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was '[EMAIL PROTECTED]'. Subject 'Re: [010622-18982-0047]', Account: 'Arun Hubballi', Server: 'mail.ccipl.com', Protocol: SMTP, Server Response: '553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)', Port: 25, Secure(SSL): No, Server Error: 553, Error Number: 0x800CCC79 best regards Arun Hubballi
Re: SMTP Error !
On Mon, Jun 25, 2001 at 09:09:41AM +0530, Qmail wrote: Server Response: '553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)' See http://www.lifewithqmail.org/lwq.html#relaying Chris
Re: anti-virus program for Qmail
I use a combination of McAfee's uvscan for Ainti-Virus, (http://www.mcafee.com), and Jason Haar's qmail-scanner for running uvscan, and for filtering, (http://qmail-scanner.sourceforge.net/). I've been very happy with the results! At 07:52 AM 6/24/2001 -0700, Alex Tsang wrote: Dear all Is there any anti-virus program for qmail? Regards Alex Tsang
