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Postfix - antispam and relay package

pfSense Packages
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  • M
    MadCatZA
    last edited by Dec 7, 2015, 10:03 AM

    Any ETA on a "Install and Go" fix without needing to manually edit things?

    1 Reply Last reply Reply Quote 0
    • D
      doktornotor Banned
      last edited by Dec 7, 2015, 10:12 AM

      @MadCatZA:

      Any ETA on a "Install and Go" fix without needing to manually edit things?

      ETA = never. The package is gone from pfSense 2.3.

      1 Reply Last reply Reply Quote 0
      • M
        MadCatZA
        last edited by Dec 7, 2015, 12:05 PM

        @doktornotor:

        @MadCatZA:

        Any ETA on a "Install and Go" fix without needing to manually edit things?

        ETA = never. The package is gone from pfSense 2.3.

        Mmm… Then I must ask what mail forwarder is pfsense going to replace it with? Surely many people make use of pfsense for dual web and mail filtering and other general firewall purpouses. Scrapping postfix without a replacement would force people to look at other next generation firewalls.

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        • D
          doktornotor Banned
          last edited by Dec 8, 2015, 9:05 AM

          @MadCatZA:

          Mmm… Then I must ask what mail forwarder is pfsense going to replace it with?

          I don't believe any replacement is planned for this. https://redmine.pfsense.org/issues/5374

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          • M
            MadCatZA
            last edited by Dec 8, 2015, 3:54 PM

            @doktornotor:

            @MadCatZA:

            Mmm… Then I must ask what mail forwarder is pfsense going to replace it with?

            I don't believe any replacement is planned for this. https://redmine.pfsense.org/issues/5374

            Does that also mean all the other mail apps like mailscanner, spamassasin, clamav ect will be falling away? Last I checked the Postfix was a MTA that sent all emails to 127.0.0.1 on the pfsense box were they were then scanned and filtered accordingly, PostFix would then send them on there way when they were done. Unless I am understanding wrong, how would I filter my mail now without PostFix?

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            • D
              doktornotor Banned
              last edited by Dec 8, 2015, 4:45 PM

              @MadCatZA:

              Unless I am understanding wrong, how would I filter my mail now without PostFix?

              On your mailserver perhaps? I don't get the idea of running postfix, spam filters and co. on a firewall… Regardless, take this with pfSense developers, I'm not one.

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              • M
                MadCatZA
                last edited by Dec 8, 2015, 7:07 PM

                @doktornotor:

                @MadCatZA:

                Unless I am understanding wrong, how would I filter my mail now without PostFix?

                On your mailserver perhaps? I don't get the idea of running postfix, spam filters and co. on a firewall… Regardless, take this with pfSense developers, I'm not one.

                Meant how would I filter my mail without PostFix "On pfSense", but I appreciate your honest replies. What a pity I liked pfSense. Cheers.

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                • M
                  marcelloc
                  last edited by Dec 10, 2015, 1:52 AM

                  I'm migrating the package for 2.3.

                  If you use pfsense as an UTM, packages postfix, varnish, squid, mailscanner give it layer 7 ability on these protocols.

                  For me it's really usefull.

                  Treinamentos de Elite: http://sys-squad.com

                  Help a community developer! ;D

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                  • M
                    MadCatZA
                    last edited by Dec 10, 2015, 11:35 AM

                    @marcelloc:

                    I'm migrating the package for 2.3.

                    If you use pfsense as an UTM, packages postfix, varnish, squid, mailscanner give it layer 7 ability on these protocols.

                    For me it's really usefull.

                    Now that is some good news for a change. PostFix "IS" one of the best used packages on pfSense. To scrap it would be going backwards. Happy days :)

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                    • M
                      marcelloc
                      last edited by Dec 10, 2015, 8:55 PM

                      @MadCatZA:

                      PostFix "IS" one of the best used packages on pfSense.

                      Pull request sent

                      Treinamentos de Elite: http://sys-squad.com

                      Help a community developer! ;D

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                      • B
                        Bismarck
                        last edited by Dec 17, 2015, 4:19 PM Dec 16, 2015, 7:25 AM

                        Sadly SPF is broken now:

                        unused parameter: spf_mark_only=yes

                        This was a very useful option to fight sender address forgery.

                        Any idea how to fix?

                        //Edit

                        This could be a option? py27-postfix-policyd-spf-python works great and easy to setup! :)

                        
                        $ pkg install py27-postfix-policyd-spf-python
                        Updating FreeBSD repository catalogue...
                        FreeBSD repository is up-to-date.
                        All repositories are up-to-date.
                        The following 6 package(s) will be affected (of 0 checked):
                        
                        New packages to be INSTALLED:
                                py27-postfix-policyd-spf-python: 1.3.2
                                py27-authres: 0.800
                                py27-spf: 2.0.12_1
                                py27-dns: 2.3.6_1
                                python2: 2_3
                                py27-ipaddr: 2.1.10_1
                        
                        The process will require 856 KiB more space.
                        152 KiB to be downloaded.
                        
                        Proceed with this action? [y/N]: y
                        Fetching py27-postfix-policyd-spf-python-1.3.2.txz: 100%   38 KiB  38.5kB/s    00:01
                        Fetching py27-authres-0.800.txz: 100%   26 KiB  26.7kB/s    00:01
                        Fetching py27-spf-2.0.12_1.txz: 100%   34 KiB  35.0kB/s    00:01
                        Fetching py27-dns-2.3.6_1.txz: 100%   31 KiB  32.0kB/s    00:01
                        Fetching python2-2_3.txz: 100%    1 KiB   1.1kB/s    00:01
                        Fetching py27-ipaddr-2.1.10_1.txz: 100%   22 KiB  22.1kB/s    00:01
                        Checking integrity... done (0 conflicting)
                        [1/6] Installing python2-2_3...
                        [1/6] Extracting python2-2_3: 100%
                        [2/6] Installing py27-dns-2.3.6_1...
                        [2/6] Extracting py27-dns-2.3.6_1: 100%
                        [3/6] Installing py27-authres-0.800...
                        [3/6] Extracting py27-authres-0.800: 100%
                        [4/6] Installing py27-spf-2.0.12_1...
                        [4/6] Extracting py27-spf-2.0.12_1: 100%
                        [5/6] Installing py27-ipaddr-2.1.10_1...
                        [5/6] Extracting py27-ipaddr-2.1.10_1: 100%
                        [6/6] Installing py27-postfix-policyd-spf-python-1.3.2...
                        [6/6] Extracting py27-postfix-policyd-spf-python-1.3.2: 100%
                        Message from py27-postfix-policyd-spf-python-1.3.2:
                        #
                        # To configure Postfix
                        #
                        
                        This package must be integrated with Postfix to be effective:
                        
                         1\. Add to your postfix master.cf:
                        
                                policyd-spf  unix  -       n       n       -       0       spawn
                                    user=nobody argv=/usr/local/bin/policyd-spf
                        
                         2\. Configure the Postfix policy service in your main.cf so that the
                            "smtpd_recipient_restrictions" includes a call to the policyd-spf policy
                            filter.  If you already have a "smtpd_recipient_restrictions" line, you can
                            add the "check_policy_service" command anywhere *after* the line which
                            reads "reject_unauth_destination" (otherwise you're system can become an
                            open relay).
                        
                                smtpd_recipient_restrictions =
                                    ...
                                    reject_unauth_destination
                                    check_policy_service unix:private/policyd-spf
                                    ...
                        
                                policyd-spf_time_limit = 3600
                        
                          3\. Please consult the postfix documentation for more information on these and
                             other settings you may wish to have in the "smtpd_recipient_restrictions"
                             configuration.
                        
                          4\. Reload postfix.
                        

                        spf.jpg
                        spf.jpg_thumb

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                        • H
                          hcoin
                          last edited by Dec 17, 2015, 9:06 PM

                          For me, postfix+friends on pfsense a major administrative convenience. And, it is in keeping with the spirit of what is is a 'firewall' does (if only in an expanded sense). Most of the spam traffic won't even succeed in connecting, the ones that do cause internet 'internet spam service check' requests to leave from the firewall without having to take up bandwidth on the lan, and most of the evil attachments never make it past the firewall either. It also (I hope still will) allow one 'clamav' install to manage scanning web traffic for the squid suite and also the mailscanner/email.

                          Also, having the 'postfix and associated packages" stack in PF allows me to leverage pf's certificate management, destination email domain routing, failover, load balancing for email. That internal domain routing bit is a security plus as traffic for domain X never travels lan segments used by those on domains A, B and C, an obvious security plus. Also it allows the internal smtp world to be very fast and lean as it needs minimal security and no need for the add-on 'nasty-checking' packages.

                          Remember one of the main spam defences is having the mail exchanger's reverse dns match the common name in the ssl certificate. Anytime information can be kept in one place and closer to where it's used is an admin win.

                          Last, the postfix config for the lan side can use the lmtp protocol which is a major overhead saver (no per message setups/teardowns).

                          It calls for a multiprocessor setup, lots of ram and lots of disk. I know that is not exactly what comes to mind using the word 'embedded', but the above is my $0.02 on why it's worth it.

                          If it were to be removed, I'd have to create not just port forward to a new subnet but a vlan just to isolate incoming email traffic, then – well, it would result in an economic bonanza for the people who sell those coffee thingys.

                          1 Reply Last reply Reply Quote 0
                          • B
                            biggsy
                            last edited by Dec 18, 2015, 6:24 AM

                            @Bismarck:

                            Sadly SPF is broken now:

                            Bismarck, have you been able to install from Available Packages?  I missed a few days of 2.3 updates but haven't seen the postfix package listed.

                            1 Reply Last reply Reply Quote 0
                            • BismarckB
                              Bismarck
                              last edited by Dec 18, 2015, 12:06 PM

                              Hi biggsy,

                              the packages should still be there:

                              http://files.pfsense.org/packages/10/All/postfix-2.11.3_2-amd64.pbi

                              HowTo: Install packages

                              regards

                              1 Reply Last reply Reply Quote 0
                              • marcellocM
                                marcelloc
                                last edited by Dec 22, 2015, 5:37 AM

                                The pull request still needs to be aproved first.

                                Treinamentos de Elite: http://sys-squad.com

                                Help a community developer! ;D

                                1 Reply Last reply Reply Quote 0
                                • BismarckB
                                  Bismarck
                                  last edited by Jan 15, 2016, 10:40 AM Jan 15, 2016, 8:19 AM

                                  Hello marcelloc,

                                  since 2.2.x Postfix doesn't write spam logs to the sqlite database, thus you can't search for spam and the widget doesn't display any spam records.

                                  This makes it really hard to track false positives.  :'(

                                  Please help!

                                  //edit

                                  when I execute it via putty after I send a spam test, it does write the spam record to the database file!?

                                  [root@pfsense~]$ /usr/local/bin/php -q /usr/local/www/postfix.php 01min
                                  
                                  /usr/bin/grep '^Jan 15 09:25.*\(MailScanner\|postfix.cleanup\|postfix.smtp\|postfix.error\|postfix.qmgr\)' /var/log/maillog
                                  Found logs to 2016-01-15.db
                                  
                                  #######################################
                                  SPAM:SpamAssassin (nicht zwischen gespeichert, Wertung=1004.701, benoetigt 3, FSL_HELO_NON_FQDN_1 0.00, GTUBE 1000.00, HTML_MESSAGE 0.00, PYZOR_CHECK 1.98, RDNS_NONE 0.00, TVD_RCVD_SINGLE 1.21, ZONK_PHISH_BODY 1.50)5E1EA1C2B99zonk
                                  #######################################
                                  
                                  #######################################
                                  SPAM:SpamAssassin (nicht zwischen gespeichert, Wertung=1004.701, benoetigt 3, FSL_HELO_NON_FQDN_1 0.00, GTUBE 1000.00, HTML_MESSAGE 0.00, PYZOR_CHECK 1.98, RDNS_NONE 0.00, TVD_RCVD_SINGLE 1.21, ZONK_PHISH_BODY 1.50)4E48D1C2BFBzonk
                                  #######################################
                                  writing to database...writing to database... writing to local db 2016-01-15...ok
                                  

                                  maybe a timeing problem?

                                  1 Reply Last reply Reply Quote 0
                                  • B
                                    biggsy
                                    last edited by Jan 29, 2016, 10:12 AM

                                    @marcelloc:

                                    The pull request still needs to be aproved first.

                                    Thank you for working on this, Marcello.  Is there any news?

                                    1 Reply Last reply Reply Quote 0
                                    • BismarckB
                                      Bismarck
                                      last edited by Jan 29, 2016, 11:47 AM

                                      FYI

                                      I did a fresh install of pfSense 2.2.6 last week and the Postfix package did work out of the box, expect the search mail & widget sqlite bug, wich can be fixed by fetching the postfix.php/postfix.widget.php from:

                                      fetch -o /usr/local/www/postfix.php http://e-sac.siteseguro.ws/px22/postfix.txt
                                      fetch -o /usr/local/www/widgets/widgets/postfix.widget.php http://e-sac.siteseguro.ws/px22/postfix.widget.txt
                                      

                                      So NO need to delete Postfix and install it via pkgng!

                                      Regards  ;)

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                                      • marcellocM
                                        marcelloc
                                        last edited by Feb 1, 2016, 6:25 PM

                                        @biggsy:

                                        Thank you for working on this, Marcello.  Is there any news?

                                        yes, I'll need to change the syslog function that enables /var/log/maillog.

                                        Treinamentos de Elite: http://sys-squad.com

                                        Help a community developer! ;D

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                                        • marcellocM
                                          marcelloc
                                          last edited by Feb 1, 2016, 6:26 PM

                                          @Bismarck:

                                          So NO need to delete Postfix and install it via pkgng!

                                          It just started up or it's running and filtering email? on 2.2 I got a lot of missing libs erros on postfix subprocesses.

                                          Treinamentos de Elite: http://sys-squad.com

                                          Help a community developer! ;D

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