Re: Fw: Your SMTP is about to be abused!

1999-03-10 Thread Markus Stumpf
On Tue, Mar 09, 1999 at 11:01:52AM -0500, Chris Johnson wrote: > I may be giving them too much credit, I'm sure you do :-( However, "Fred Lindberg" <[EMAIL PROTECTED]> pointed out to me as an answer to my first post that there is a patch flying around (probably at http://www.qmai.org/) allowing

Re: Fw: Your SMTP is about to be abused!

1999-03-10 Thread Brad (Senior Systems Administrator - Americanisp, LLC.)
Markus Stumpf wrote: > However, "Fred Lindberg" <[EMAIL PROTECTED]> pointed out to me > as an answer to my first post that there is a patch flying around > (probably at http://www.qmai.org/) allowing restriction of the number of > RCPT TOs within one single stream. > This may be of help. only pro

Re: Fw: Your SMTP is about to be abused!

1999-03-10 Thread Markus Stumpf
On Wed, Mar 10, 1999 at 12:59:21AM -0700, Brad (Senior Systems Administrator - Americanisp, LLC.) wrote: > only problem with that is: > the software that they are talking about sends just one RCPT > TO request per stream. it opens up another connection to > brute force the possibility of existin

qmail + IMAP

1999-03-10 Thread Manfred Spraul
I know that this is partially off-topic, but does anyone know how reliable the Maildir support in qmail-imap (the imap server from UW, the Maildir patches from Mattias Larsson) is? While testing I found 2 bugs: * I could not move messages from a Maildir into a mbox file (Netscape client, not thor

qmail-bounce

1999-03-10 Thread Brian T. Wightman
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Well, It has been a while since I haved posted about or worked on my qmail- bounce program. Becuase of other responsibilities (different job, etc) I can no longer dedicate the time needed to develop or maintain this program. If some kind soul wou

force quoted-printable to 8bit

1999-03-10 Thread Francisco Yepes Candel
Hello, Some questions. 1. It's possible force, in a qmail environement, the conversion of messages encoded in quoted-printable to 8bit? 2. It's possible force the conversion only for certains destination mail servers? Thanks. ---

Re: Fw: Your SMTP is about to be abused!

1999-03-10 Thread Vince Vielhaber
On Wed, 10 Mar 1999, Markus Stumpf wrote: > If you patch qmail-smtpd to keep (centralized) track on incoming connections > per time period and lock out those which are over some threshold this > will probably work as long as you are not a bigger site with many users > subscribed to a mailing list

Re: force quoted-printable to 8bit

1999-03-10 Thread Sam
Francisco Yepes Candel writes: > Hello, > > Some questions. > > 1. It's possible force, in a qmail environement, the conversion of messages > encoded in quoted-printable to 8bit? Anything is possible, if you write the code to do it. > 2. It's possible force the conversion only for certains de

rblsmtpd not blocking

1999-03-10 Thread torben fjerdingstad
I have verified that orbs's host are not blocked with my setup. I dont see what's wrong. What exactly should I do? Also: Can I get denials logged? Here is my complete startup script (AIX-4.2.1): /usr/local/bin/supervise /usr/local/qmail/supervise/qmail-send env - \ PATH="/usr/local/qmail

Re: xinetd & SMTP relay allowing

1999-03-10 Thread Dustin Marquess
On Tue, 9 Mar 1999, Czeh Istvan wrote: > Hi! > > I'm running qmail-smtpd from xinetd, and now I need to allow SMTP relay for > the localhost. > > I've read FAQ 5.4, and I configured xinetd like this: > > service smtp > { > socket_type = stream > protocol= tcp > wait=

Re: new "attack" scheme

1999-03-10 Thread Russell Nelson
Markus Stumpf writes: > There is an "address collector" program that works with a dictionary > of username appends the domain and uses RCPT TO to collect what it > thinks are valid email addresses. Yup. Someone asked about it at my ISP/F qmail tutorial on Sunday (I just got back today). It h

Re: rblsmtpd not blocking

1999-03-10 Thread Timothy L. Mayo
You cannot specify two separate -r parameters to 1 instance of rblsmtpd. You must run two separate rblsmtpd instances. The first one runs the second. On Wed, 10 Mar 1999, torben fjerdingstad wrote: > I have verified that orbs's host are not blocked with my > setup. I dont see what's wrong. What

Re: qmail + IMAP

1999-03-10 Thread Jeff Hayward
On Wed, 10 Mar 1999, Manfred Spraul wrote: I know that this is partially off-topic, but does anyone know how reliable the Maildir support in qmail-imap (the imap server from UW, the Maildir patches from Mattias Larsson) is? I use it in heavy production but I've made fairly extensive

Re: rblsmtpd not blocking

1999-03-10 Thread torben fjerdingstad
On Wed, Mar 10, 1999 at 11:00:04AM -0500, Timothy L. Mayo wrote: > You cannot specify two separate -r parameters to 1 instance of rblsmtpd. > You must run two separate rblsmtpd instances. The first one runs the > second. Clumsy. But it works now, with two instances of rblsmtpd. Thanks to all. >

Strange Phenomen with virtualdomains-file

1999-03-10 Thread Joerg Toellner
Hi all, i am settiup up a Communication-Server under SUSE Linux 6.0. For the Email-Services i decided to take the great qmail. I installed qmail and tested it locally within our LAN from a Windows-Client to another office with a window client. And it works veeery fine. Now comes the story w

Re: Fw: Your SMTP is about to be abused!

1999-03-10 Thread Russell Nelson
Rick McMillin writes: > Does anyone know of any good reasons as to why QMail is better > suited to handle this attack? Certainly something like this could happen. And yes, it would be a serious PITA because spammers rarely use a valid envelope sender, so the mail would all double-bounce. Howe

Re: qpopper vulnerability?

1999-03-10 Thread Russell Nelson
Aaron L. Meehan writes: > Well, the qmail popbull patch works a bit differently, since it counts > on the access time of the user's Maildir vs the creation time of the > actual bulletin file to determine whether they should get the bulletin > (as far as I can remember). And as it turns out, t

Re: Queue in tmpfs

1999-03-10 Thread Russell Nelson
Paul Watkins writes: > I'm operating a system that doesn't need the reliability that queueing > affords - speed is all that counts, because after 10 minutes any email that > hasn't gotten out is out-of-date and worthless - such is the unique nature > of our system. Since I've got to get out 1

Re: Fw: Your SMTP is about to be abused!

1999-03-10 Thread Brad Shelton
On Wed, Mar 10, 1999 at 06:27:14PM -, Russell Nelson wrote: > Rick McMillin writes: > > Does anyone know of any good reasons as to why QMail is better > > suited to handle this attack? > This whole thread has me wondering. I had a site start hitting on my smtp port a week or so ago. It jus

Re: qpopper vulnerability?

1999-03-10 Thread Russell Nelson
Multiple people write: > >Actually, an empty file isn't assigned an inode. It's just a > >directory entry. > > Wanna bet? What was I thinking of?? Disk space?? I'm trying a new ergo keyboard, yeah, that must be the excuse -- -russ nelson <[EMAIL PROTECTED]> http://crynwr.com/~nelso

rcpthosts

1999-03-10 Thread MountaiNet Tech Support
I recently setup a new mail server using qmail but am having a few problems with my rcpthosts file. The machine is named edwin.mounet.com. It needs to receive mail for mounet.com so I added the MX record to point to edwin.mounet.com. mounet.com is also a CNAME for edwin.mounet.com. Does mounet

Re: rcpthosts

1999-03-10 Thread Chris Johnson
On Wed, Mar 10, 1999 at 03:25:18PM -0500, MountaiNet Tech Support wrote: > I recently setup a new mail server using qmail but am having a few problems > with my rcpthosts file. The machine is named edwin.mounet.com. It needs > to receive mail for mounet.com so I added the MX record to point to >

preline and /bin/mail problem.

1999-03-10 Thread Cristiano Lincoln Mattos
I have qmail 1.03 on a Sparc with Solaris 2.5.1. For various reasons, we had to stick with mailboxes in /var/spool/mail, and use the following as a qmail-start script: exec env - PATH="/var/qmail/bin:$PATH" \ qmail-start \ '|preline -f /bin

Re: Queue in tmpfs

1999-03-10 Thread Peter C. Norton
> > I'm running Solaris and am looking at the possibility of having the queue on > > tmpfs so it's in RAM. Of course, on reboot or crash the directory structure > > would be gone.. how much of this directory structure does qmail expect to > > find, and how much of it will it create on the fly

Re: Fw: Your SMTP is about to be abused!

1999-03-10 Thread Sam
Russell Nelson writes: > the mail would all double-bounce. However, the whole point behind > this program is for a spammer to use the information provided by > rcpt-to to *avoid* having to send mail to every word in their > dictionary. Since qmail doesn't provide any information, the first > qm

Re: Fw: Your SMTP is about to be abused!

1999-03-10 Thread Peter van Dijk
On Wed, Mar 10, 1999 at 03:03:23PM -0500, Brad Shelton wrote: > On Wed, Mar 10, 1999 at 06:27:14PM -, Russell Nelson wrote: > > Rick McMillin writes: > > > Does anyone know of any good reasons as to why QMail is better > > > suited to handle this attack? > > > > This whole thread has me wo

Re: qmail + IMAP

1999-03-10 Thread Peter van Dijk
On Wed, Mar 10, 1999 at 10:01:51AM -0600, Jeff Hayward wrote: > On Wed, 10 Mar 1999, Manfred Spraul wrote: > >I know that this is partially off-topic, but does anyone know how >reliable the Maildir support in qmail-imap (the imap server from UW, the >Maildir patches from Mattias Larss

Re: qpopper vulnerability?

1999-03-10 Thread Peter van Dijk
On Wed, Mar 10, 1999 at 08:29:12PM -, Russell Nelson wrote: > Multiple people write: > > >Actually, an empty file isn't assigned an inode. It's just a > > >directory entry. > > > > Wanna bet? > > What was I thinking of?? Disk space?? I'm trying a new ergo > keyboard, yeah, that must b

Re: implementing anti-SPAM policies in qmail

1999-03-10 Thread Michael Graff
Francisco Yepes Candel <[EMAIL PROTECTED]> writes: > 1. reject all the messages with origin (dirIP) AND destination (rcpt) out > of my domain This is done by allowing your IP addresses to connect (via a rule in /etc/hosts.allow, tcpserver, or whatever you use to run qmail-smtpd -- I use NetBSD's

Filtering mails with file attachment

1999-03-10 Thread David Lee Haw Ling
Hi, There is much talk about filtering out spammers. Is there a way to filter out mails with file attachment? Particularly .exe file? Thanks. Regards, hawling lee

Re: Filtering mails with file attachment

1999-03-10 Thread Sam
David Lee Haw Ling writes: > Hi, > > There is much talk about filtering out spammers. Is there a way to filter out > mails with file attachment? Particularly .exe file? Just round-file all mail that has a Content-Type: multipart header. Keep in mind that this will also round-file stuff that

Re: Fw: Your SMTP is about to be abused!

1999-03-10 Thread Russell Nelson
Sam writes: > Russell Nelson writes: > > > the mail would all double-bounce. However, the whole point behind > > this program is for a spammer to use the information provided by > > rcpt-to to *avoid* having to send mail to every word in their > > dictionary. Since qmail doesn't provide a

Re: qmail + IMAP

1999-03-10 Thread Russell Nelson
Peter van Dijk writes: > > Wasn't Russell working on a Maildir-IMAP? > Yup. A Maildir/checkpassword IMAP. Got bogged down in the innards of IMAP.

qmail Digest 10 Mar 1999 11:00:01 -0000 Issue 575

1999-03-10 Thread qmail-digest-help
qmail Digest 10 Mar 1999 11:00:01 - Issue 575 Topics (messages 22788 through 22822): implementing anti-SPAM policies in qmail 22788 by: Francisco Yepes Candel <[EMAIL PROTECTED]> I couldn't find a mail exchanger... 22789 by: Czeh Istvan <[EMAIL PROTECTED]> 22815 by: