The future of SMTP ?

2011-03-13 Thread Frank Bonnet
Hello Sorry if this seems a bit off topic ... Postfix is really a great piece of software and we all thanks to Wiese for his tremendous work. But to fight spam and all other malicious problems it's getting more and more sophisticated and complex to configure every day. It is not a criticism it

Re: The future of SMTP ?

2011-03-13 Thread Daniel Bromberg
On 3/13/2011 4:57 AM, Frank Bonnet wrote: Hello Sorry if this seems a bit off topic ... Postfix is really a great piece of software and we all thanks to Wiese for his tremendous work. But to fight spam and all other malicious problems it's getting more and more sophisticated and complex to

Re: Mailbox limit not observed

2011-03-13 Thread Vincent Lefevre
On 2011-03-12 10:58:41 -0600, Stan Hoeppner wrote: No, it's not a bug. As you know maildir storage format stores one email _per file_. virtual_mailbox_limit is a _per file_ size restriction. With maildir storage it will prevent individual emails (individual files) greater than (default:

Re: The future of SMTP ?

2011-03-13 Thread mouss
Le 13/03/2011 09:57, Frank Bonnet a écrit : Hello Sorry if this seems a bit off topic ... Postfix is really a great piece of software and we all thanks to Wiese for his tremendous work. But to fight spam and all other malicious problems it's getting more and more sophisticated and

Re: The future of SMTP ?

2011-03-13 Thread Steve
Original-Nachricht Datum: Sun, 13 Mar 2011 09:57:20 +0100 Von: Frank Bonnet f.bon...@esiee.fr An: postfix-users@postfix.org Betreff: The future of SMTP ? Hello Sorry if this seems a bit off topic ... Postfix is really a great piece of software and we all thanks to

Re: The future of SMTP ?

2011-03-13 Thread Reindl Harald
Am 13.03.2011 12:38, schrieb Steve: And today it is not big deal to cut down spam to less then 1% of the inbound. but not only with postfix and without taking money in the hand do not tell us only with strict smtp you get 99% spam away I really don't understand why people keep telling that

Re: The future of SMTP ?

2011-03-13 Thread Steve
Original-Nachricht Datum: Sun, 13 Mar 2011 12:42:55 +0100 Von: Reindl Harald h.rei...@thelounge.net An: postfix-users@postfix.org Betreff: Re: The future of SMTP ? Am 13.03.2011 12:38, schrieb Steve: And today it is not big deal to cut down spam to less then 1% of

Re: Mailbox limit not observed

2011-03-13 Thread Stan Hoeppner
Vincent Lefevre put forth on 3/13/2011 4:24 AM: On 2011-03-12 10:58:41 -0600, Stan Hoeppner wrote: No, it's not a bug. As you know maildir storage format stores one email _per file_. virtual_mailbox_limit is a _per file_ size restriction. With maildir storage it will prevent individual

Re: The future of SMTP ?

2011-03-13 Thread Lorens Kockum
On Sun, Mar 13, 2011 at 12:38:24PM +0100, Steve wrote: The spamming problem is not something that you can fix by replacing SMTP with something new. An appropriate illustration is the initiative taken recently by Germany's government to create a secure e-mail environment. It does not replace

Re: The future of SMTP ?

2011-03-13 Thread Steve
Original-Nachricht Datum: Sun, 13 Mar 2011 15:58:50 +0100 Von: Lorens Kockum postfix-users-4...@tagged.lorens.org An: postfix-users@postfix.org Betreff: Re: The future of SMTP ? On Sun, Mar 13, 2011 at 12:38:24PM +0100, Steve wrote: The spamming problem is not something

Re: The future of SMTP ?

2011-03-13 Thread lst_hoe02
Zitat von Frank Bonnet f.bon...@esiee.fr: Hello Sorry if this seems a bit off topic ... Postfix is really a great piece of software and we all thanks to Wiese for his tremendous work. But to fight spam and all other malicious problems it's getting more and more sophisticated and complex to

Re: The future of SMTP ?

2011-03-13 Thread Erwan David
Le Sun 13/03/2011, Steve disait Am 13.03.2011 12:38, schrieb Steve: And today it is not big deal to cut down spam to less then 1% of the inbound. but not only with postfix No. Not only with postfix alone. But most of us are not only using postfix in their messaging

Re: ? about

2011-03-13 Thread Ralf Hildebrandt
* Larry Vaden va...@texoma.net: Hello postfix-users, For a selected time period today, the postfix/postscreen DNSBL rank log entries are summarized as: By which tool? 1744 DNSBL rank 2 12458 DNSBL rank 3 5113 DNSBL rank 4 1099 DNSBL rank 5 1 DNSBL rank 7 Q1: Given

..::Smtp Attacks::..

2011-03-13 Thread Alfonso Alejandro Reyes Jimenez
Hi everyone. I'm sending this email because I'm looking for a reference regarding smtp attacks, this is because I'm working to create some smtp signatures for the snort solution. It's not directly with snort, I'm willing to contribute with the bleeding snort proyect. I can't find any

Re: ? about

2011-03-13 Thread Larry Vaden
On Sun, Mar 13, 2011 at 11:01 AM, Ralf Hildebrandt ralf.hildebra...@charite.de wrote: * Larry Vaden va...@texoma.net: Hello postfix-users, For a selected time period today, the postfix/postscreen DNSBL rank log entries are summarized as: By which tool? Hi Ralf, Sorry about the subject

Re: ? about

2011-03-13 Thread Wietse Venema
Larry Vaden: Hello postfix-users, For a selected time period today, the postfix/postscreen DNSBL rank log entries are summarized as: 1744 DNSBL rank 2 12458 DNSBL rank 3 5113 DNSBL rank 4 1099 DNSBL rank 5 1 DNSBL rank 7 Q1: Given the postscreen invocation in

Re: The future of SMTP ?

2011-03-13 Thread Glen B
On 3/13/2011 4:57 AM, Frank Bonnet wrote: Hello Sorry if this seems a bit off topic ... Postfix is really a great piece of software and we all thanks to Wiese for his tremendous work. Yes it is and it gets better every release. But to fight spam and all other malicious problems it's

Re: ? about

2011-03-13 Thread Ralf Hildebrandt
* Larry Vaden va...@texoma.net: Q1: Given the postscreen invocation in main.cf below the sig, what is the meaning of DNSBL rank 7? Please find the corresponding log line, so we can check this. This is the one on which this query was filed: [root@mx4 ~]# zcat /var/log/maillog.1.gz |

Re: The future of SMTP ?

2011-03-13 Thread Wietse Venema
lst_ho...@kwsoft.de: This is not a problem of SMTP but from the idea to design a system where everyone is able to send a message to some other participant if the address is known. So you don't have to reinvent SMTP but to ditch the idea of free electronic communication. +1. Now, let's

Re: ? about

2011-03-13 Thread Wietse Venema
Ralf Hildebrandt: $ host 197.251.232.190.zen.spamhaus.org 197.251.232.190.zen.spamhaus.org has address 127.0.0.11 197.251.232.190.zen.spamhaus.org has address 127.0.0.4 2*2 = 7? Surely you have enough logs of your own that you can verify that this does not happen. Wietse

Re: The future of SMTP ?

2011-03-13 Thread Steve
Original-Nachricht Datum: Sun, 13 Mar 2011 16:56:31 +0100 Von: Erwan David er...@rail.eu.org An: postfix-users@postfix.org Betreff: Re: The future of SMTP ? Le Sun 13/03/2011, Steve disait Am 13.03.2011 12:38, schrieb Steve: And today it is not big deal

Re: ? about

2011-03-13 Thread Ralf Hildebrandt
* Wietse Venema wie...@porcupine.org: Ralf Hildebrandt: $ host 197.251.232.190.zen.spamhaus.org 197.251.232.190.zen.spamhaus.org has address 127.0.0.11 197.251.232.190.zen.spamhaus.org has address 127.0.0.4 2*2 = 7? Surely you have enough logs of your own that you can verify that

Re: ? about

2011-03-13 Thread Larry Vaden
On Sun, Mar 13, 2011 at 12:38 PM, Ralf Hildebrandt ralf.hildebra...@charite.de wrote: I would like to thank the author of postscreen --- who was that? Wietse? As always, THANKS Weitse! -- Larry Vaden, CoFounder Internet Texoma, Inc. Serving Rural Texomaland Since 1995 We Care About Your

Re: ? about

2011-03-13 Thread Larry Vaden
On Sun, Mar 13, 2011 at 12:35 PM, Wietse Venema wie...@porcupine.org wrote: Q1: Given the postscreen invocation in main.cf below the sig, what is the meaning of DNSBL rank 7? Uncorrected multi-bit memory error? The boxen are Compaq DL380s with ECC; I'll leave it to you to discern their

Re: ? about

2011-03-13 Thread Ralf Hildebrandt
* Wietse Venema wie...@porcupine.org: Ralf Hildebrandt: $ host 197.251.232.190.zen.spamhaus.org 197.251.232.190.zen.spamhaus.org has address 127.0.0.11 197.251.232.190.zen.spamhaus.org has address 127.0.0.4 2*2 = 7? Surely you have enough logs of your own that you can verify that

Re: ? about

2011-03-13 Thread Wietse Venema
Larry Vaden: On Sun, Mar 13, 2011 at 12:35 PM, Wietse Venema wie...@porcupine.org wrote: Q1: Given the postscreen invocation in main.cf below the sig, what is the meaning of DNSBL rank 7? Uncorrected multi-bit memory error? The boxen are Compaq DL380s with ECC; I'll leave it to you

Re: ? about

2011-03-13 Thread Larry Vaden
On Sun, Mar 13, 2011 at 1:16 PM, Larry Vaden va...@texoma.net wrote: On Sun, Mar 13, 2011 at 12:43 PM, Wietse Venema wie...@porcupine.org wrote: Ralf Hildebrandt: $ host 197.251.232.190.zen.spamhaus.org 197.251.232.190.zen.spamhaus.org has address 127.0.0.11 197.251.232.190.zen.spamhaus.org

Re: ? about

2011-03-13 Thread Wietse Venema
Larry Vaden: Weitse, That is not my name. Please let me try to advance the request to make certain other tests available as an option in postscreen; namely, note the helo above; unless I have watched too much Dennis Miller and am wrong about this, we could have rejected said based on the

Re: ? about

2011-03-13 Thread Larry Vaden
On Sun, Mar 13, 2011 at 1:47 PM, Wietse Venema wie...@porcupine.org wrote: Larry Vaden: Weitse, That is not my name. Dr. Venema, my most sincere apologies. OMG, my son is correct, 9 stents and a pacemaker later, I should avoid public discourse. Please let me try to advance the request to

Re: ? about

2011-03-13 Thread Wietse Venema
Wietse: Postscreen does HELO processing after it has completed the DBSNL and pregreet tests. Larry Vaden: Request withdrawn, but may I ask why so we can close this thread? This is news to me (see proviso above, I probably read it and just don't remember it). Is the HELO test enabled by

Re: ? about

2011-03-13 Thread /dev/rob0
On Sun, Mar 13, 2011 at 01:35:57PM -0400, Wietse Venema wrote: Larry Vaden: Hello postfix-users, For a selected time period today, the postfix/postscreen DNSBL rank log entries are summarized as: 1744 DNSBL rank 2 12458 DNSBL rank 3 5113 DNSBL rank 4 1099 DNSBL rank

PATCH: postscreen delayed DNSBL responses

2011-03-13 Thread Wietse Venema
make upgrade on a running Postfix system. This is needed because the protocol between postscreen(8) and dnsblog(8) has changed. Wietse 20110313 Bugfix (introduced Postfix 2.8): number the postscreen DNSBL requests, so that delayed results for an old session

Re: ? about

2011-03-13 Thread Stan Hoeppner
Wietse Venema put forth on 3/13/2011 1:47 PM: Larry Vaden: Weitse, That is not my name. Unfortunately in the US we all had the following English spelling rule hard wired into our synapses somewhere between the 1st and 4th grade: I before E except after C Some of us are able to overcome

Re: ? about

2011-03-13 Thread Stan Hoeppner
Stan Hoeppner put forth on 3/13/2011 3:08 PM: Wietse Venema put forth on 3/13/2011 1:47 PM: Larry Vaden: Weitse, That is not my name. Unfortunately in the US we all had the following English spelling rule hard wired into our synapses somewhere between the 1st and 4th grade: I before E

Re: Mailbox limit not observed

2011-03-13 Thread Vincent Lefevre
On 2011-03-13 07:52:11 -0500, Stan Hoeppner wrote: If you use virtual_mailbox_limit with strictly maildir mailboxes, you may as well set message_size_limit=0 and leave it alone, so you only have one setting to keep track of. Is 0 accepted for this option? http://www.postfix.org/postconf.5.html

Re: PATCH: postscreen delayed DNSBL responses

2011-03-13 Thread Wietse Venema
postfix reload after make upgrade on a running Postfix system. This is needed because the protocol between postscreen(8) and dnsblog(8) has changed. Also fixed with postfix-2.9-20110313. Wietse

Re: PATCH: postscreen delayed DNSBL responses

2011-03-13 Thread Larry Vaden
. This error was rare enough that it should not affect real email. Use postfix reload after make upgrade on a running Postfix system. This is needed because the protocol between postscreen(8) and dnsblog(8) has changed. Also fixed with postfix-2.9-20110313.        Wietse THANKS/ldv

Re: The future of SMTP ?

2011-03-13 Thread mouss
Le 13/03/2011 16:56, Erwan David a écrit : Le Sun 13/03/2011, Steve disait Am 13.03.2011 12:38, schrieb Steve: And today it is not big deal to cut down spam to less then 1% of the inbound. but not only with postfix No. Not only with postfix alone. But most of us are not only using

Re: The future of SMTP ?

2011-03-13 Thread mouss
Le 13/03/2011 16:52, lst_ho...@kwsoft.de a écrit : Zitat von Frank Bonnet f.bon...@esiee.fr: Hello Sorry if this seems a bit off topic ... Postfix is really a great piece of software and we all thanks to Wiese for his tremendous work. But to fight spam and all other malicious problems

Re: ..::Smtp Attacks::..

2011-03-13 Thread mouss
Le 13/03/2011 17:57, Alfonso Alejandro Reyes Jimenez a écrit : Hi everyone. I'm sending this email because I'm looking for a reference regarding smtp attacks, this is because I'm working to create some smtp signatures for the snort solution. It's not directly with snort, I'm willing to

Re: The future of SMTP ?

2011-03-13 Thread Dennis Carr
On Sun, 13 Mar 2011, Frank Bonnet wrote: But to fight spam and all other malicious problems it's getting more and more sophisticated and complex to configure every day. It is not a criticism it is a fact that jump to every sysadmin's face. Does anyone has knowing of the future of SMTP ? Is

Re: The future of SMTP ?

2011-03-13 Thread Dennis Carr
On Sun, 13 Mar 2011, Reindl Harald wrote: Am 13.03.2011 12:38, schrieb Steve: I really don't understand why people keep telling that spam is a problem? because there are peopole out their whose time costs money? This prt of the problem I suspect is marginal. It's not the cost, it's