Re: Spam Attack on Postmaster

2010-03-01 Thread mouss
Carlos Williams a écrit : > On Mon, Mar 1, 2010 at 12:28 PM, Noel Jones wrote: >> It "slips past" because there are no rules to block it. >> You can add "postmas...@your_domain REJECT" to this list if you want. > > I am assuming I would add this to 'sender_access', correct? > > On Mon, Mar 1,

Re: Spam Attack on Postmaster

2010-03-01 Thread Carlos Williams
On Mon, Mar 1, 2010 at 12:28 PM, Noel Jones wrote: > It "slips past" because there are no rules to block it. > You can add "postmas...@your_domain   REJECT" to this list if you want. I am assuming I would add this to 'sender_access', correct? On Mon, Mar 1, 2010 at 1:31 AM, LuKreme wrote: > Oft

Re: Spam Attack on Postmaster

2010-03-01 Thread Noel Jones
On 3/1/2010 10:50 AM, Carlos Williams wrote: On Mon, Mar 1, 2010 at 9:29 AM, Noel Jones wrote: That parameter doesn't prevent spammers from sending junk to postmaster, it prevents mail to postmaster from bypassing your existing anti-spam controls. Big difference. It looks like it does pass

Re: Spam Attack on Postmaster

2010-03-01 Thread Carlos Williams
On Mon, Mar 1, 2010 at 9:29 AM, Noel Jones wrote: > That parameter doesn't prevent spammers from sending junk to postmaster, it > prevents mail to postmaster from bypassing your existing anti-spam controls. >  Big difference. It looks like it does pass my 'anti-spam' controls however & I am not s

Re: Spam Attack on Postmaster

2010-03-01 Thread LuKreme
On 01-Mar-10 06:08, Ralf Hildebrandt wrote: * Stan Hoeppner: If you sub the list, ask Rich K about ipdeny. I learned about it from him. He's been a spam fighter since 1994 (maybe earlier). He's old school. Yay, I'm old school :) You're so old school you're PRE school! No, wait, that's

Re: Spam Attack on Postmaster

2010-03-01 Thread Noel Jones
On 2/28/2010 1:55 PM, Carlos Williams wrote: On Tue, Oct 27, 2009 at 8:55 AM, Noel Jones wrote: Or you can have postfix add it to main.cf for you by typing the command: # postconf -e 'address_verify_sender=$double_bounce_sender' I added the above parameter (address_verify_sender=$double_boun

Re: Spam Attack on Postmaster

2010-03-01 Thread Ralf Hildebrandt
* Stan Hoeppner : > If you sub the list, ask Rich K about ipdeny. I learned about it from him. > He's been a spam fighter since 1994 (maybe earlier). He's old school. Yay, I'm old school :) -- Ralf Hildebrandt Geschäftsbereich IT | Abteilung Netzwerk Charité - Universitätsmedizin Berlin

Re: Spam Attack on Postmaster

2010-03-01 Thread Stan Hoeppner
Carlos Williams put forth on 2/28/2010 10:02 PM: > On Sun, Feb 28, 2010 at 5:27 PM, Stan Hoeppner wrote: >> Carlos, I think it's time you join spam-l and learn all the tricks to >> fighting spam. http://spam-l.com/mailman/listinfo/spam-l > > Thanks. I will research this and see what I can learn

Re: Spam Attack on Postmaster

2010-02-28 Thread LuKreme
On 28-Feb-10 21:02, Carlos Williams wrote: reject_unauth_destination, reject_unlisted_recipient, check_policy_service unix:postgrey/socket, check_sender_access hash:/etc/postfix/sender_access, check_helo_access pcre:/etc/postfix/helo_checks.pcre, reject_rbl_client zen.spamhaus.org,

Re: Spam Attack on Postmaster

2010-02-28 Thread Carlos Williams
On Sun, Feb 28, 2010 at 5:27 PM, Stan Hoeppner wrote: > Carlos, I think it's time you join spam-l and learn all the tricks to > fighting spam.  http://spam-l.com/mailman/listinfo/spam-l Thanks. I will research this and see what I can learn from that list. > You could have blocked this spam with

Re: Spam Attack on Postmaster

2010-02-28 Thread Stan Hoeppner
Carlos Williams put forth on 2/28/2010 1:55 PM: > On Tue, Oct 27, 2009 at 8:55 AM, Noel Jones wrote: >> Or you can have postfix add it to main.cf for you by typing the command: >> >> # postconf -e 'address_verify_sender=$double_bounce_sender' > > I added the above parameter > (address_verify_send

Re: Spam Attack on Postmaster

2010-02-28 Thread Carlos Williams
On Tue, Oct 27, 2009 at 8:55 AM, Noel Jones wrote: > Or you can have postfix add it to main.cf for you by typing the command: > > # postconf -e 'address_verify_sender=$double_bounce_sender' I added the above parameter (address_verify_sender=$double_bounce_sender) in my main.cf to keep spammers fr

Re: Spam Attack on Postmaster

2009-10-27 Thread Noel Jones
On 10/27/2009 7:22 AM, Carlos Williams wrote: On Thu, Sep 24, 2009 at 11:05 AM, Noel Jones wrote: Some older versions of postfix give special treatment to the postmaster address. To disable this special treatment, add # main.cf address_verify_sender = $double_bounce_sender So when you note "

Re: Spam Attack on Postmaster

2009-10-27 Thread Carlos Williams
On Thu, Sep 24, 2009 at 11:05 AM, Noel Jones wrote: > Some older versions of postfix give special treatment to the postmaster > address.  To disable this special treatment, add > # main.cf > address_verify_sender = $double_bounce_sender So when you note "older" I am going to assume 2.3.x qualifie

Re: Spam Attack on Postmaster

2009-09-24 Thread /dev/rob0
On Thursday 24 September 2009 10:16:01 Carlos Williams wrote: > On Thu, Sep 24, 2009 at 11:05 AM, Noel Jones > wrote: > > Some older versions of postfix give special treatment to the > > postmaster address.  To disable this special treatment, add > > # main.cf > > address_verify_sender = $double_

Re: Spam Attack on Postmaster

2009-09-24 Thread Carlos Williams
On Thu, Sep 24, 2009 at 11:05 AM, Noel Jones wrote: > Some older versions of postfix give special treatment to the postmaster > address.  To disable this special treatment, add > # main.cf > address_verify_sender = $double_bounce_sender I am guessing that 2.3 which the latest version for Redhat L

Re: Spam Attack on Postmaster

2009-09-24 Thread Noel Jones
On 9/24/2009 9:26 AM, Carlos Williams wrote: I have a Postfix server running with also Postgrey enabled. It seems to work great however in the last week I have noticed a huge increase in spam mail that is sent to postmas...@... I am configured on the mail server to get all mail destined for Postm

Spam Attack on Postmaster

2009-09-24 Thread Carlos Williams
I have a Postfix server running with also Postgrey enabled. It seems to work great however in the last week I have noticed a huge increase in spam mail that is sent to postmas...@... I am configured on the mail server to get all mail destined for Postmaster and it appears that everyone and their mo