Re: TLS for dummies

2010-08-26 Thread Eray Aslan
On 26.08.2010 02:47, Security Admin (NetSec) wrote: Is there an existing file or a weblink that would list the current accepted global root CAs? Since the only one in the exchange.pem file is from my Exchange Server, I could append to this file all the necessary trusted root CAs. Don't do

Re: DNS Whitelisting

2010-08-26 Thread Ralf Hildebrandt
* Wietse Venema wie...@porcupine.org: Noel Jones: As I see it, there are two complementary paths we can take with DNS whitelists, each with a slightly different purpose. While these are both useful, neither depends on the other, so postfix can implement either or both. I'll read the

Re: DNS Whitelisting

2010-08-26 Thread Matthias Leisi
On Wed, Aug 25, 2010 at 11:27 PM, Wietse Venema wie...@porcupine.org wrote:  dnswl1.example.com=127.0.0.2*weight1, dnswl2.example.com=127.0.0.1*weight2  dnsbl3.example.com=127.0.0.3*weight3, dnsbl4.example.com=127.0.0.1*weight4 What about wildcarding? dnswl.org currently returns 127.0.n.[0-3],

Re: TLS for dummies

2010-08-26 Thread Jerry
On Wed, 25 Aug 2010 16:47:46 -0700 Security Admin (NetSec) secad...@netsecdesign.com articulated: smtp_tls_CAfile = /etc/postfix/exchange.pem You can list more CAs in this file if you wish. Is there an existing file or a weblink that would list the current accepted global root CAs?

Re: DNS Whitelisting

2010-08-26 Thread Wietse Venema
Matthias Leisi: On Wed, Aug 25, 2010 at 11:27 PM, Wietse Venema wie...@porcupine.org wrote: ?dnswl1.example.com=127.0.0.2*weight1, dnswl2.example.com=127.0.0.1*weight2 ?dnsbl3.example.com=127.0.0.3*weight3, dnsbl4.example.com=127.0.0.1*weight4 What about wildcarding? dnswl.org currently

Re: Selective smtpd_helo_restrictions question

2010-08-26 Thread Charles Marcus
Thanks for taking the time to try to assist my limited brain in understanding this Noel. It is frustrating, because I thought I at least had a decent handle on how these checks worked... Noel Jones wrote: smtpd_recipient_restrictions is not the last section; the message still must pass

Re: DNS Whitelisting

2010-08-26 Thread Stan Hoeppner
Wietse Venema put forth on 8/25/2010 4:27 PM: Noel Jones: As I see it, there are two complementary paths we can take with DNS whitelists, each with a slightly different purpose. While these are both useful, neither depends on the other, so postfix can implement either or both. I'll read

Re: Selective smtpd_helo_restrictions question

2010-08-26 Thread Noel Jones
On 8/26/2010 6:31 AM, Charles Marcus wrote: If you've specified smtpd_reject_unlisted_recipient=yes, that check is also after smtpd_recipient_restrictions. Since smtpd_reject_unlisted_recipient=yes is the default, it happens after the recipient_restrictions *without* my having to specify it,

Re: super selective spamassassin via filter

2010-08-26 Thread Stan Hoeppner
Noel Jones put forth on 8/25/2010 10:11 PM: In that case, don't use an access table with FILTER; use content_filter or smtpd_proxy_filter to filter all mail. (For wildcard access tables, use a regexp table. But for this application, use content_filter.) Let me try to make this really

version of sendmail vacation for postfix

2010-08-26 Thread Daniel Prieto
Hello, Got some error in my logs below: Aug 25 21:22:16 mail local[29944]: fatal: execvp /usr/bin/vacation: No such file or directory Aug 25 21:22:16 mail postfix/local[29867]: EF319BF1087: to=us...@my.domain.com, relay=local, delay=0.07, delays=0.05/0/0/0.02, dsn=4.3.0, status=deferred

Re: version of sendmail vacation for postfix

2010-08-26 Thread Wietse Venema
Daniel Prieto: Is there a substitute 'vacation' feature from Sendmail for Postfix for all my users? Is Postfix.admin the best bet? I compiled vacation on my linux box and enable my .forward file with \user1, |/usr/bin/vacation user1 but the sender doesn't get a 'vacation' message back. Is

Re: Selective smtpd_helo_restrictions question

2010-08-26 Thread pf at alt-ctrl-del.org
On 8/22/2010 11:42 AM, p...@alt-ctrl-del.org wrote: On Sunday, August 22, 2010 at 16:01 CEST, p...@alt-ctrl-del.org wrote: Reading RESTRICTION_CLASS_README confused me as to whether adding a Restriction (or a defined smtpd_restriction_classes group), to the right side of an access table,

Re: version of sendmail vacation for postfix

2010-08-26 Thread Daniel Prieto
On 8/26/2010 11:26 AM, Udo Rader wrote: On 08/26/2010 04:39 PM, Daniel Prieto wrote: Hello, Got some error in my logs below: Aug 25 21:22:16 mail local[29944]: fatal: execvp /usr/bin/vacation: No such file or directory Aug 25 21:22:16 mail postfix/local[29867]: EF319BF1087:

Re: DNS Whitelisting

2010-08-26 Thread Wietse Venema
On 8/26/2010 4:14 PM, Wietse Venema wrote: The more precise solution is to implement wildcards with ranges: example.com=127.0.[0-128].3*1 example.com=127.0.[0-5,6-9].3*1 Noel Jones: I like the range idea. You want proto docs reflecting that syntax? Yes, that would help everyone to

Re: DNS Whitelisting

2010-08-26 Thread Noel Jones
Updated Proposal for weighted dnsXl support in postscreen. (Change parameter names to all start with postscreen_dns* for easy reading in postconf. Get rid of negative site weight values [the client dnsxl score total may still be negative]. Add filter octet range docs.) (The weight ranges

Another timed out while sending end of data Error

2010-08-26 Thread Lie, Jafaruddin
Except that this is sending to our internal Exchange 2003 server, not outgoing. Here's the scenario: We have 2 servers that act as incoming mail server. One is to receive mails from the Internet, a Barracuda box. This box is running well. Another box, this is the problematic one, is to relay

Re: Another timed out while sending end of data Error

2010-08-26 Thread Wietse Venema
Lie, Jafaruddin: There's an ASA 5500 inbetween, but the SMTP fixup protocol has been turned off, Prove it. Wietse