Re: Backscatter

2009-04-04 Thread Paweł Leśniak
W dniu 2009-04-05 04:27, Sahil Tandon pisze: On Sat, 04 Apr 2009, LuKreme wrote: On 4-Apr-2009, at 16:02, Noel Jones wrote: Best in smtpd_data_restrictions so you don't reject sourceforge and others sender verification probes. Is there anything I need to be concerned about h

Re: Cannot use restrictions to block emails between local users.

2009-04-04 Thread Xn Nooby
> Chances are you'll need to modify the webmail software so that it > sends mail via SMTP, then maybe you'll be able to reject it as you > want to (this will depend on the webmail software setting the right > sender address). Hurray, that worked! I was able block an email after changing SquirrelM

Re: Backscatter

2009-04-04 Thread LuKreme
On 4-Apr-2009, at 16:02, Noel Jones wrote: Best in smtpd_data_restrictions so you don't reject sourceforge and others sender verification probes. That didn't go well: Apr 4 20:15:28 mail postfix/smtpd[16843]: 60D15118AC14: reject: DATA from english-breakfast.cloud9.net[168.100.1.7]: 554 5

Re: Backscatter

2009-04-04 Thread Sahil Tandon
On Sat, 04 Apr 2009, LuKreme wrote: > On 4-Apr-2009, at 16:02, Noel Jones wrote: >> Best in smtpd_data_restrictions so you don't reject sourceforge and >> others sender verification probes. > > Is there anything I need to be concerned about having/not having in > smtpd_data_restrictions? it i

Re: Backscatter

2009-04-04 Thread LuKreme
On 4-Apr-2009, at 16:02, Noel Jones wrote: Best in smtpd_data_restrictions so you don't reject sourceforge and others sender verification probes. Is there anything I need to be concerned about having/not having in smtpd_data_restrictions? it is currently commented out. if I simply put:

Re: new clamav-milter quarantaine in hold queue script

2009-04-04 Thread Noel Jones
Robert Schetterer wrote: i was thinking more about a cron cript like this ( surly modified to the hold issue ) What do mail-daemon messages have to do with junk placed in the HOLD queue by a milter Here's a dorky script I use to release mail on hold after a few days. I have some questionable

Re: Cannot use restrictions to block emails between local users.

2009-04-04 Thread Barney Desmond
2009/4/5 Xn Nooby : > I am working on a Webmail solution, that uses Squirrelmail, Postfix, > and Dovecot. I am trying to block email between users, and I don't > seem to be able to do this. People seem to ask about this specific scenario a bit (want to stop users sending mail to each other), I won

Re: Backscatter

2009-04-04 Thread Noel Jones
Paweł Leśniak wrote: W dniu 2009-04-04 20:09, LuKreme pisze: I've seen an increase in backscatter emails recently. Perfectly valid headers (AFAICT) Return-Path: <> ... Not surprising, since the message is sent by a real MTA. Is there some sort of strategy I can implement that will reject

Re: new clamav-milter quarantaine in hold queue script

2009-04-04 Thread Robert Schetterer
Victor Duchovni schrieb: > On Sat, Apr 04, 2009 at 07:01:08PM +0200, Robert Schetterer wrote: > >>> Here's my suggestion: >>> >>> - Create a second Postfix instance in the same file-system. >>> - Run a cron job to move (rename(2)) messages from the HOLD queue >>> of the main instance

Re: Backscatter

2009-04-04 Thread Paweł Leśniak
W dniu 2009-04-04 20:09, LuKreme pisze: I've seen an increase in backscatter emails recently. Perfectly valid headers (AFAICT) Return-Path: <> X-Original-To: kr...@kreme.com Delivered-To: kr...@covisp.net Received: from mail9.webair.com (mail9.webair.net [74.206.236.69]) by mail.covisp.net

Cannot use restrictions to block emails between local users.

2009-04-04 Thread Xn Nooby
I am working on a Webmail solution, that uses Squirrelmail, Postfix, and Dovecot. I am trying to block email between users, and I don't seem to be able to do this. I was having trouble blocking emails selectively, so now I just trying to block all emails - to make sure it is working. In my main.c

Backscatter

2009-04-04 Thread LuKreme
I've seen an increase in backscatter emails recently. Perfectly valid headers (AFAICT) Return-Path: <> X-Original-To: kr...@kreme.com Delivered-To: kr...@covisp.net Received: from mail9.webair.com (mail9.webair.net [74.206.236.69]) by mail.covisp.net (Postfix) with ESMTPS id 4FC10118B5B

Re: new clamav-milter quarantaine in hold queue script

2009-04-04 Thread Victor Duchovni
On Sat, Apr 04, 2009 at 07:01:08PM +0200, Robert Schetterer wrote: > > Here's my suggestion: > > > > - Create a second Postfix instance in the same file-system. > > - Run a cron job to move (rename(2)) messages from the HOLD queue > > of the main instance into the deferred queue of

Re: new clamav-milter quarantaine in hold queue script

2009-04-04 Thread Robert Schetterer
Victor Duchovni schrieb: > On Sat, Apr 04, 2009 at 06:16:33PM +0200, Robert Schetterer wrote: > >> havening them in hold is a nice option >> but i am thinking of a script >> getting them out of hold and store >> in the filesystem and clean up hold > > Here's my suggestion: > > - Create a sec

Re: new clamav-milter quarantaine in hold queue script

2009-04-04 Thread Victor Duchovni
On Sat, Apr 04, 2009 at 06:16:33PM +0200, Robert Schetterer wrote: > havening them in hold is a nice option > but i am thinking of a script > getting them out of hold and store > in the filesystem and clean up hold Here's my suggestion: - Create a second Postfix instance in the same file-sys

Re: not receiveing bounce backs when using postfix

2009-04-04 Thread Wietse Venema
nr...@firstfinancial.org: > Here is the output. > > # grep 2ACDFBA /var/log/maillog > Apr 3 23:32:11 triton postfix/cleanup[7281]: 2ACDFBA: > message-id=<20090404033211.2acd...@mail.firstfinancial.org> > Apr 3 23:32:11 triton postfix/bounce[31334]: 96B0EB8: sender non-delivery > notification: 2A

new clamav-milter quarantaine in hold queue script

2009-04-04 Thread Robert Schetterer
Hi, the redesign of the clamav-milter 0.95 does quarantaine in the hold queue before infected mails were written to some configurable dir havening them in hold is a nice option but i am thinking of a script getting them out of hold and store in the filesystem and clean up hold i have some clean

Re: RBL problems affect mail reception

2009-04-04 Thread Sahil Tandon
On Sat, 04 Apr 2009, Oguz Yilmaz wrote: > On my postfix mail server I have RBL definitions at > smtpd_client_restrictions phase. At the moment 2 of 4 rbl's waiting until > tcp timeout without an answer when I try with nslookup. This affects my > clients. Also client programs are waiting for sendin

Re: not receiveing bounce backs when using postfix

2009-04-04 Thread Wietse Venema
nr...@firstfinancial.org: > Thanks for the fast reply. > > I fixed the logging issue. > > >From the /var/log/maillog > > Apr 3 23:32:11 mail postfix/smtp[6451]: 96B0EB8: to=, > relay=b.mx.mail.yahoo.com[66.196.97.250]:25, delay=0.38, > delays=0.28/0.01/0.05/0.04, dsn=5.0.0, status=bounced (host

Re: header_checks doesn't work (postfix 2.5.5 on debian lenny)

2009-04-04 Thread Magnus Bäck
On Friday, April 03, 2009 at 18:50 CEST, sosogh wrote: [...] > [r...@postfix]# more recipient_access.txt > /special.com/ FILTER smtp:[127.0.0.1]:10026 This regular expression will match not only special.com but also especial.com, a.special.company.net etc. Consider writing a pr

Re: not receiveing bounce backs when using postfix

2009-04-04 Thread Barney Desmond
2009/4/4 : > > Apr  3 23:32:11 mail postfix/smtp[6451]: 96B0EB8: to=, > relay=b.mx.mail.yahoo.com[66.196.97.250]:25, delay=0.38, > delays=0.28/0.01/0.05/0.04, dsn=5.0.0, status=bounced (host > b.mx.mail.yahoo.com[66.196.97.250] said: 554 delivery error: dd This user > doesn't have a yahoo.com acco

RBL problems affect mail reception

2009-04-04 Thread Oguz Yilmaz
Hi, On my postfix mail server I have RBL definitions at smtpd_client_restrictions phase. At the moment 2 of 4 rbl's waiting until tcp timeout without an answer when I try with nslookup. This affects my clients. Also client programs are waiting for sending e-mail. Is there any way to put some timeo