Re: Filtering outbound mail

2017-02-17 Thread @lbutlr
On 2017-02-17 (14:51 MST), David Jones wrote: > >> From: @lbutlr > .Sent: Friday, February 17, 2017 3:41 PM >> To: users@spamassassin.apache.org >> Subject: Re: Filtering outbound mail > >> On 2017-02-16 (07:21 MST), David Jones wrote: >>>

Re: Filtering outbound mail

2017-02-17 Thread Alex
Hi, >> I am using Postfix and cluebringer does looks pretty slick >> so I will check into that. Is that policyD? http://wiki.policyd.org/start It looks helpful, but hasn't had any development in at least two years. Thanks, Alex

Re: Filtering outbound mail

2017-02-17 Thread Antony Stone
On Friday 17 Feb 2017 at 21:51, David Jones wrote: > Not all compromised accounts these days blast out at a high rate like we > used to see years ago. True, but also, some still do. > I have had a few sneaky ones recently trickle spam through to stay below > the radar so rate-limiting is not the

Re: Filtering outbound mail

2017-02-17 Thread David Jones
>From: @lbutlr .Sent: Friday, February 17, 2017 3:41 PM >To: users@spamassassin.apache.org >Subject: Re: Filtering outbound mail   >On 2017-02-16 (07:21 MST), David Jones wrote: >> >>> From: Christian Grunfeld >>> Sent: Thursday, February 16, 20

Re: Filtering outbound mail

2017-02-17 Thread @lbutlr
On 2017-02-16 (07:21 MST), David Jones wrote: > >> From: Christian Grunfeld >> Sent: Thursday, February 16, 2017 7:50 AM >> To: Spamassassin List >> Subject: Re: Filtering outbound mail > >> Are you using postfix as MTA? I use cluebringer suite which >&

Re: Filtering outbound mail

2017-02-16 Thread Robert Schetterer
Am 16.02.2017 um 11:07 schrieb David Jones: > My mail filters also do a lot of outbound relaying from hundreds > of customer mail servers. Compromised accounts happen and I > have some methods for detecting most of them and block the > sender at the MTA within a few minutes to prevent my server >

Re: Filtering outbound mail

2017-02-16 Thread David Jones
>From: Reindl Harald >Sent: Thursday, February 16, 2017 8:55 AM >To: David Jones; Spamassassin List >Subject: Re: Filtering outbound mail   Am 16.02.2017 um 15:49 schrieb David Jones: >> From: Christian Grunfeld >> Sent: Thursday, February 16, 2017 8:29 AM >> To

Re: Filtering outbound mail

2017-02-16 Thread David Jones
>From: Dianne Skoll >Sent: Thursday, February 16, 2017 8:30 AM >To: users@spamassassin.apache.org >Subject: Re: Filtering outbound mail   >On Thu, 16 Feb 2017 10:07:46 + >David Jones wrote: >> Would it make sense for me to setup/manage my own custom >> rul

Re: Filtering outbound mail

2017-02-16 Thread Christian Grunfeld
2017-02-16 11:49 GMT-03:00 David Jones : > > > Many of the SMTP sending software that my customers > use are not full MTAs with queuing capabilities so some email > would be lost if I rate limited. I also have stupid mail sending > devices like scanners/copiers that could get lumped in with > oth

Re: Filtering outbound mail

2017-02-16 Thread David Jones
>From: Christian Grunfeld >Sent: Thursday, February 16, 2017 8:29 AM >To: Spamassassin List >Subject: Re: Filtering outbound mail >Why not rate limiting? I think everyone is doing itI do... > Cluebringer quotas can track one to one, one to many and >many to one (botnet

Re: Filtering outbound mail

2017-02-16 Thread Dianne Skoll
On Thu, 16 Feb 2017 10:07:46 + David Jones wrote: > Would it make sense for me to setup/manage my own custom > rules for checking the To: header or could the FreeMail plugin > be extended to add new rules like FREEMAIL_TO? The To: header may not contain useful information. I don't think the

Re: Filtering outbound mail

2017-02-16 Thread Christian Grunfeld
ary 16, 2017 7:50 AM > >To: Spamassassin List > >Subject: Re: Filtering outbound mail > > >Are you using postfix as MTA? I use cluebringer suite which > >has a lot of functionality (spf checks, helo checks, greylist > >and quotas) > > I am using Postfix and cl

Re: Filtering outbound mail

2017-02-16 Thread David Jones
>From: Christian Grunfeld >Sent: Thursday, February 16, 2017 7:50 AM >To: Spamassassin List >Subject: Re: Filtering outbound mail >Are you using postfix as MTA? I use cluebringer suite which >has a lot of functionality (spf checks, helo checks, greylist >and quotas) I

Re: Filtering outbound mail

2017-02-16 Thread Christian Grunfeld
gt; >Sent: Thursday, February 16, 2017 4:54 AM > >To: users@spamassassin.apache.org > >Subject: Re: Filtering outbound mail > > >On 02/16/2017 11:07 AM, David Jones wrote: > >> Would it make sense for me to setup/manage my own custom > >> rules for checking

Re: Filtering outbound mail

2017-02-16 Thread David Jones
>From: Axb >Sent: Thursday, February 16, 2017 4:54 AM >To: users@spamassassin.apache.org >Subject: Re: Filtering outbound mail     >On 02/16/2017 11:07 AM, David Jones wrote: >> Would it make sense for me to setup/manage my own custom >> rules for checking the To: h

Re: Filtering outbound mail

2017-02-16 Thread Axb
On 02/16/2017 11:07 AM, David Jones wrote: Would it make sense for me to setup/manage my own custom rules for checking the To: header or could the FreeMail plugin be extended to add new rules like FREEMAIL_TO? To block outbound bursts using SA is probably the most inneficient method. Fai2ban i

Filtering outbound mail

2017-02-16 Thread David Jones
My mail filters also do a lot of outbound relaying from hundreds of customer mail servers. Compromised accounts happen and I have some methods for detecting most of them and block the sender at the MTA within a few minutes to prevent my server IPs from becoming listed on RBLs. Customer mail serve

Re: Filtering outbound mail?

2005-12-14 Thread Kai Schaetzl
Tim Densmore wrote on Wed, 14 Dec 2005 10:06:52 -0700: > I take it that outbound filtering isn't something many people do. Does > anyone have any pointers at all for this sort of thing? Take a look at MailScanner. It scans in and out and up and beyond. Kai -- Kai Schätzl, Berlin, Germany Get

RE: Filtering outbound mail?

2005-12-14 Thread Tim Densmore
che.org Subject: RE: Filtering outbound mail? Tim Densmore wrote: > I take it that outbound filtering isn't something many people do. > Does anyone have any pointers at all for this sort of thing? Should > I report back to the person who tasked me with this that this idea is > essent

RE: Filtering outbound mail?

2005-12-14 Thread Matthew.van.Eerde
Tim Densmore wrote: > I take it that outbound filtering isn't something many people do. > Does anyone have any pointers at all for this sort of thing? Should > I report back to the person who tasked me with this that this idea is > essentially a non-starter? Try MIMEDefang instead of spamass-mil

RE: Filtering outbound mail?

2005-12-14 Thread Tim Densmore
er Mesa Telecom Santa Fe Headquarters Tel: 505-988-9200 Local Contact Numbers -Original Message- From: Tim Densmore [mailto:[EMAIL PROTECTED] Sent: Thursday, December 08, 2005 5:38 PM To: users@spamassassin.apache.org Subject: Filtering outbound mail? Hi folks, I was wondering if an

Filtering outbound mail?

2005-12-08 Thread Tim Densmore
Hi folks, I was wondering if anyone knew of an effective way to filter outbound mail for spam before it leaves. We're running spamassassin (well, spamd), sendmail, and spamass-milter. The mail I've tested is being tagged effectively, but I'm not sure how to then filter it. I've looked at mailav

bayes/awl and not filtering outbound mail

2005-11-23 Thread mouss
It is tempting to avoid filtering outbound mail (with SA or other). I am assuming that outbound mail is legitimate (users are honest, and logs can be used to look for abnormal behaviour and punish the guilty). Now my question. Wouldn't that weaken Bayes filtering? I see two views: