Re: spam fighting

2015-04-28 Thread Terry Barnum
On Apr 28, 2015, at 12:33 PM, Marius Gologan marius.golo...@gmail.com wrote: Shared DNS as Google's 8.8.8.8 is not accepted by some RBLs such as spamhaus. They have an ACL in place. You will lose about 2 points from Spam scoring when you use a public DNS causing some spam to pass. Thank

Re: ERRATA(?): MILTER_README

2015-04-28 Thread Wietse Venema
Bill Cole: Are you are willing to consider changing MILTER_README to more precisely describe that conditional availability of {i} if I propose specific wording? You can draft some text if you like. But, unless the text is really simple, I don't expect that it is worth the trouble. If a

Re: Question wrt partial migration from old postfix to newer one on two servers

2015-04-28 Thread Viktor Dukhovni
On Wed, Apr 29, 2015 at 11:18:47AM +1100, J?r?me Alet wrote: For a few users only, we are planning to have, in addition to the setup above : Internet == MX == Server1 == Backend2 Internet == Server1 == Backend2 Where Backend2 is a Debian Wheezy machine hosting Postfix 2.9.6 So

Re: Conversation with x.x.x.x[x.x.x.x] timed out while sending end of data

2015-04-28 Thread Kristjan Nii
Thank you for your response! I viewed the some emails in the queue and did not see DKIM signatures in them. Also, our network guys confirmed, that ASA version is 7.3, which should be bug-free. Any other ideas or things I should/could check and test? Kristjan On Mon, Apr 27, 2015 at 5:09 PM,

Question wrt partial migration from old postfix to newer one on two servers

2015-04-28 Thread Jérôme Alet
Hello, As a part of our existing mail setup we've got something like this : Internet == MX == Server1 == Backend1 Internet == Server1 == Backend1 Backend1 handles SMTP authentication and is used as the end users' SMTP server in their MUAs whenever they want to send emails to anywhere (even

Re: Stan Hoeppner's fqrdns.pcre file?

2015-04-28 Thread Alex Regan
Hi, I should have mentioned that I actually did that, once I couldn't find Stan's site: https://github.com/stevejenkins/hardwarefreak.com-fqrdns.pcre For those who are using it, I've replaced it with a version from March 2013 instead of March 2012.

Re: Conversation with x.x.x.x[x.x.x.x] timed out while sending end of data

2015-04-28 Thread Bill Cole
On 28 Apr 2015, at 8:45, Kristjan Nii wrote: Thank you for your response! I viewed the some emails in the queue and did not see DKIM signatures in them. Also, our network guys confirmed, that ASA version is 7.3, which should be bug-free. Perhaps it should be (a slippery English idiom that

Re: Question wrt partial migration from old postfix to newer one on two servers

2015-04-28 Thread Jérôme Alet
Hi again, On Wed, Apr 29, 2015 at 12:34:35AM +, Viktor Dukhovni wrote: Replace this (on Server1) with a rewriting configuration: virtual: newu...@example.com newu...@backend2.example.com transport: example.com relay:[backend1.example.com]

Re: Question wrt partial migration from old postfix to newer one on two servers

2015-04-28 Thread Jérôme Alet
On Wed, Apr 29, 2015 at 04:32:22AM +, Viktor Dukhovni wrote: On Wed, Apr 29, 2015 at 03:23:20PM +1100, J?r?me Alet wrote: You've not explained how you intend to manage mailboxes, or shown any details of your configuration. My advice was correspondingly sketchy. My bad, sorry. If you

Re: Question wrt partial migration from old postfix to newer one on two servers

2015-04-28 Thread Viktor Dukhovni
On Wed, Apr 29, 2015 at 03:53:09PM +1100, J?r?me Alet wrote: On Wed, Apr 29, 2015 at 04:32:22AM +, Viktor Dukhovni wrote: On Wed, Apr 29, 2015 at 03:23:20PM +1100, J?r?me Alet wrote: You've not explained how you intend to manage mailboxes, or shown any details of your configuration.

Re: Question wrt partial migration from old postfix to newer one on two servers

2015-04-28 Thread Jérôme Alet
Hi, and thanks for your fast answer, On Wed, Apr 29, 2015 at 12:34:35AM +, Viktor Dukhovni wrote: On Backend2 mydestination is defined as : mydestination = example.com, backend2.example.com, localhost.localdomain, localhost Looks like you're using local(8)

Re: Question wrt partial migration from old postfix to newer one on two servers

2015-04-28 Thread Viktor Dukhovni
On Wed, Apr 29, 2015 at 03:23:20PM +1100, J?r?me Alet wrote: I've tried several combinations of your suggestions, but now unfortunately delivery doesn't work anymore (it used to, as explained previously) : newu...@backend2.example.com is always rejected as unknown in local recipient table.

Re: Stan Hoeppner's fqrdns.pcre file?

2015-04-28 Thread DTNX Postmaster
On 28 Apr 2015, at 23:23, Steve Jenkins st...@stevejenkins.com wrote: On Tue, Apr 28, 2015 at 2:13 PM, Terry Barnum te...@dop.com mailto:te...@dop.com wrote: github URL for curl: $ curl https://raw.githubusercontent.com/stevejenkins/hardwarefreak.com-fqrdns.pcre/master/fqrdns.pcre

Re: Conversation with x.x.x.x[x.x.x.x] timed out while sending end of data

2015-04-28 Thread Wietse Venema
Kristjan Nii: Thank you for your response! I viewed the some emails in the queue and did not see DKIM signatures in them. Also, our network guys confirmed, that ASA version is 7.3, which should be bug-free. Any other ideas or things I should/could check and test? Other issues may have to do

ERRATA(?): MILTER_README

2015-04-28 Thread Bill Cole
Postfix v.3.0.0 MILTER_README says: Sendmail macro emulation Postfix emulates a limited number of Sendmail macros, as shown in the table. Some macro values depend on whether a recipient is rejected (rejected recipients are available on request by the Milter application).

Re: spam fighting

2015-04-28 Thread Terry Barnum
On Apr 28, 2015, at 1:47 AM, Marius Gologan marius.golo...@gmail.com wrote: Hi Terry, I use amavisd-new/spamassassin in post-queue configuration with few adjustments: increased score for SPF_FAIL, DKIM_ADSP_DISCARD, Bayes_80, Bayes_95, Bayes_99, Bayes_999 and few others. Local DNS

Re: Stan Hoeppner's fqrdns.pcre file?

2015-04-28 Thread Steve Jenkins
On Tue, Apr 28, 2015 at 2:13 PM, Terry Barnum te...@dop.com wrote: github URL for curl: $ curl https://raw.githubusercontent.com/stevejenkins/hardwarefreak.com-fqrdns.pcre/master/fqrdns.pcre Thanks, Terry. The same URL will also work for a wget, and I recommend using the -N option for

Re: Stan Hoeppner's fqrdns.pcre file?

2015-04-28 Thread Terry Barnum
On Apr 28, 2015, at 1:31 PM, Steve Jenkins st...@stevejenkins.com wrote: snip https://github.com/stevejenkins/hardwarefreak.com-fqrdns.pcre/blob/master/fqrdns.pcre Interesting to click the history button and see that it didn't really change all that much from 2012-2014. SteveJ github

RE: spam fighting

2015-04-28 Thread Marius Gologan
I don't know about others, but Pyzor is quite accurate in my experience. I think I will increase its score because, for example, most Russian spam don't include links. Pyzor is generating a digest key based on the content which is checked against a database. In return, it gets two values: positive

Re: Stan Hoeppner's fqrdns.pcre file?

2015-04-28 Thread Steve Jenkins
On Tue, Apr 28, 2015 at 10:50 AM, Quanah Gibson-Mount qua...@zimbra.com wrote: Hi Steve, I had just set this up on March 11, 2015. The version I downloaded at that time has a timestamp of: # Postfix PCRE bot spam killer # # Updated 10/2/2014 # Thanks, Quanah. That's actually the

RE: spam fighting

2015-04-28 Thread Marius Gologan
Hi Terry, I use amavisd-new/spamassassin in post-queue configuration with few adjustments: increased score for SPF_FAIL, DKIM_ADSP_DISCARD, Bayes_80, Bayes_95, Bayes_99, Bayes_999 and few others. Local DNS server - critical for RBL queries. As for postscreen, I preffer postscreen_greet_action =

Re: Stan Hoeppner's fqrdns.pcre file?

2015-04-28 Thread Quanah Gibson-Mount
--On Monday, April 27, 2015 10:10 PM -0700 Steve Jenkins st...@stevejenkins.com wrote: I don't know when Stan did his final update, but if anyone has one newer than Mar 27 2013, please send it to me off-list and I'll update it. Hi Steve, I had just set this up on March 11, 2015. The

Re: spam fighting

2015-04-28 Thread CSS
On Apr 28, 2015, at 1:04 PM, Terry Barnum te...@dop.com wrote: On Apr 28, 2015, at 1:47 AM, Marius Gologan marius.golo...@gmail.com wrote: Hi Terry, I use amavisd-new/spamassassin in post-queue configuration with few adjustments: increased score for SPF_FAIL, DKIM_ADSP_DISCARD,

Re: ERRATA(?): MILTER_README

2015-04-28 Thread Wietse Venema
Bill Cole: Also, the setting smtpd_delay_open_until_valid_rcpt = no assures that the queue ID is known at RCPT time, making it possible for Postfix to provide it to milters as the default setting says it will. This is not the default because it can increase queue activity by an order of

Re: ERRATA(?): MILTER_README

2015-04-28 Thread Bill Cole
On 28 Apr 2015, at 13:30, Wietse Venema wrote: Bill Cole: Also, the setting smtpd_delay_open_until_valid_rcpt = no assures that the queue ID is known at RCPT time, making it possible for Postfix to provide it to milters as the default setting says it will. This is not the default because it

Re: Stan Hoeppner's fqrdns.pcre file?

2015-04-28 Thread DTNX Postmaster
On 28 Apr 2015, at 18:04, Alex Regan mysqlstud...@gmail.com wrote: Hi, I should have mentioned that I actually did that, once I couldn't find Stan's site: https://github.com/stevejenkins/hardwarefreak.com-fqrdns.pcre For those who are using it, I've replaced it with a

null envelope and reject_authenticated_sender_login_mismatch

2015-04-28 Thread Marco
Hello, I have the following problem. I configured Postfix 3.0.1 to force SASL auth and permit only a set of envelope sender addresses for each login (reject_authenticated_sender_login_mismatch). I would like to understand why the null envelope sender address () is always permitted for

RE: spam fighting

2015-04-28 Thread Marius Gologan
Shared DNS as Google's 8.8.8.8 is not accepted by some RBLs such as spamhaus. They have an ACL in place. You will lose about 2 points from Spam scoring when you use a public DNS causing some spam to pass. Spamassassin (SA) uses many RBL services checking Domain IP of the Sender; Domains, IPs and

RE: spam fighting

2015-04-28 Thread Marius Gologan
To be more specific about using a notorious DNS such as Google's 8.8.8.8(4.4): When many uses that DNS for RBL, Google queries the RBL from different IP pools (IPv4 and IPv6) and not from 8.8.8.8(4.4) as some might think. As a result, the popular provider has the feeling of a constant DNS DDoS

Re: null envelope and reject_authenticated_sender_login_mismatch

2015-04-28 Thread Viktor Dukhovni
On Tue, Apr 28, 2015 at 09:03:51AM +0200, Marco wrote: I would like to understand why the null envelope sender address () is always permitted for all logins, even if it doesn't match the smtpd_sender_login_maps table. reject_authenticated_sender_login_mismatch works as expected for all other

Re: Stan Hoeppner's fqrdns.pcre file?

2015-04-28 Thread Alex Regan
Hi, check_client_access uses the verified name, which is more conservative. I wasn't convinced this was a good idea, so I played it safe. So check_client_access is performing an additional DNS query on the hostname to check if it matches the IP? Right. Awesome, thanks. I'm learning all