Re: smtp helo & connection timeouts -- increasing values

2011-10-17 Thread Ralf Hildebrandt
* Edward Morbius : > Several of our peer mail systems (outbound) seem to take a while responding > to initial SMTP connections. That happens if: * your dns is slow (reverse lookups of the client IP) * all your SMTPD processes are in use > Is there any particularly dread pitfall to watch out for

smtp helo & connection timeouts -- increasing values

2011-10-17 Thread Edward Morbius
Several of our peer mail systems (outbound) seem to take a while responding to initial SMTP connections. Is there any particularly dread pitfall to watch out for in bumping these values up? 20s for connection, 40s for HELO is where we're at presently. My main fear would be resource exhaustion, t

Re: Spammers attempting SASL auth.

2011-10-17 Thread Stan Hoeppner
On 10/17/2011 10:50 AM, Simon Brereton wrote: > Does your approach for sending to abuse work for Roadrunner? I have > 1000 pings a day from a host on RR cable and when I tried to email > abb...@rr.com, the connection timed out and the mail sits in the queue > for 5 days before timing out. Simon

Re: Spammers attempting SASL auth.

2011-10-17 Thread Reindl Harald
Am 17.10.2011 17:50, schrieb Simon Brereton: > Does your approach for sending to abuse work for Roadrunner? I have > 1000 pings a day from a host on RR cable and when I tried to email > abb...@rr.com, the connection timed out and the mail sits in the queue > for 5 days before timing out if they

Re: Spammers attempting SASL auth.

2011-10-17 Thread Robert Schetterer
Am 17.10.2011 17:50, schrieb Simon Brereton: > On 17 October 2011 11:38, John Hinton wrote: >> On 10/17/2011 11:13 AM, Simon Brereton wrote: >>> >>> Hi >>> >>> This is a new one on me - I've never seen spammers attempt to use to SASL >>> Auth to inject spam. Has anyone else seen this? >>> >>> Oct

Re: Spammers attempting SASL auth.

2011-10-17 Thread Simon Brereton
On 17 October 2011 11:38, John Hinton wrote: > On 10/17/2011 11:13 AM, Simon Brereton wrote: >> >> Hi >> >> This is a new one on me - I've never seen spammers attempt to use to SASL >> Auth to inject spam. Has anyone else seen this? >> >> Oct 17 15:07:16 mail postfix/smtpd[14422]: connect from >>

Re: chaining content_filters

2011-10-17 Thread Noel Jones
On 10/17/2011 7:16 AM, Roland de Lepper wrote: > Does this also work with non-daemon scripts? > > My scripts for disclaimer and autoresponder aren't running as daemon. > Yes.

Re: Spammers attempting SASL auth.

2011-10-17 Thread Reindl Harald
Am 17.10.2011 17:13, schrieb Simon Brereton: > Hi > > This is a new one on me - I've never seen spammers attempt to use to SASL > Auth to inject spam. Has anyone else seen this? > > Oct 17 15:07:16 mail postfix/smtpd[14422]: connect from unknown[208.86.147.92] > Oct 17 15:07:16 mail dovecot:

Spammers attempting SASL auth.

2011-10-17 Thread Simon Brereton
Hi This is a new one on me - I've never seen spammers attempt to use to SASL Auth to inject spam. Has anyone else seen this? Oct 17 15:07:16 mail postfix/smtpd[14422]: connect from unknown[208.86.147.92] Oct 17 15:07:16 mail dovecot: auth(default): passdb(newslet...@mydomain.net,208.86.147.92)

Re: chaining content_filters

2011-10-17 Thread Roland de Lepper
Does this also work with non-daemon scripts? My scripts for disclaimer and autoresponder aren't running as daemon. Kind regards, Roland On Mon, Oct 17, 2011 at 1:54 PM, Noel Jones wrote: > On 10/17/2011 1:54 AM, Roland de Lepper wrote: > > Hi again, > > > > Last week I posted about chaining c

Re: chaining content_filters

2011-10-17 Thread Noel Jones
On 10/17/2011 1:54 AM, Roland de Lepper wrote: > Hi again, > > Last week I posted about chaining content_filters in master.cf > , but after spending 16 hours trying to get it to > work, i'm still with empty hands. > So here again my situation in the hope somebody will help me to

Re: Postfix Envelope Question

2011-10-17 Thread --[ UxBoD ]--
postcat on a queued message. -- Thanks, Phil - Original Message - > * --[ UxBoD ]-- : > > Hello, I am trying to understand what some of the fields are within > > the mail envelope and am struggling on the message_size one. As a > > example I see: > > > > message_size: 21966

Re: Postfix Envelope Question

2011-10-17 Thread --[ UxBoD ]--
Thank you. -- Thanks, Phil - Original Message - > --[ UxBoD ]--: > > Hello, I am trying to understand what some of the fields are within > > the mail envelope and am struggling on the message_size one. As a > > example I see: > > This interface is NOT PUBLIC. Programs that depend on the

Re: Postfix Envelope Question

2011-10-17 Thread Wietse Venema
--[ UxBoD ]--: > Hello, I am trying to understand what some of the fields are within > the mail envelope and am struggling on the message_size one. As a > example I see: This interface is NOT PUBLIC. Programs that depend on the queue file format WILL BREAK WITHOUT WARNING when (not if) Postfix is

Re: Postfix Envelope Question

2011-10-17 Thread Ralf Hildebrandt
* --[ UxBoD ]-- : > Hello, I am trying to understand what some of the fields are within the mail > envelope and am struggling on the message_size one. As a example I see: > > message_size: 21966 613 1 0 > 21966 > > which I believe mean

Re: Slowing down legitimate MTAs

2011-10-17 Thread Wietse Venema
Maria Arrea: [ Charset UTF-8 unsupported, converting... ] > Hello. > > Our mailboxes box is a RHEL 5.7 x64 running postfix 2.3.3 . We > also have a system (out of control) running mailman that send us > a lot of messages in a short amount of time (23.000 messages of > 16KB in 2-3 minutes). We

Postfix Envelope Question

2011-10-17 Thread --[ UxBoD ]--
Hello, I am trying to understand what some of the fields are within the mail envelope and am struggling on the message_size one. As a example I see: message_size: 21966 613 1 0 21966 which I believe means the message size is 21966 byte

Re: using postfix for smarthost?

2011-10-17 Thread Nikolaos Milas
On 17/10/2011 11:16 πμ, lupin...@gmx.net wrote: is it possible to configure postfix as "smarthost" in the sense, that it 1) accepts mails from the internet and then forwards them to the "real" mailserver? You might want to read this thread too: http://www.mail-archive.com/postfix-users@postf

Re: using postfix for smarthost?

2011-10-17 Thread Lupin5th
Original-Nachricht > Datum: Mon, 17 Oct 2011 09:40:35 +0200 > Von: Patrick Ben Koetter > An: postfix-users@postfix.org > Betreff: Re: using postfix for smarthost? > * lupin...@gmx.net : > > is it possible to configure postfix as "smarthost" in the sense, that it > > 1) accepts

Re: Slowing down legitimate MTAs

2011-10-17 Thread Robert Schetterer
Am 17.10.2011 09:04, schrieb Maria Arrea: > > Hello. > > Our mailboxes box is a RHEL 5.7 x64 running postfix 2.3.3 . We also > have a system (out of control) running mailman that send us a lot of > messages in a short amount of time (23.000 messages of 16KB in 2-3 > minutes). We want to slow dow

Re: using postfix for smarthost?

2011-10-17 Thread Patrick Ben Koetter
* lupin...@gmx.net : > is it possible to configure postfix as "smarthost" in the sense, that it > 1) accepts mails from the internet and then forwards them to the "real" > mailserver? Yes. Read into . > and 2) sends mails off i

using postfix for smarthost?

2011-10-17 Thread Lupin5th
Good day! is it possible to configure postfix as "smarthost" in the sense, that it 1) accepts mails from the internet and then forwards them to the "real" mailserver? and 2) sends mails off into the internet, that come to it from the "real" mailserver? so to speak, it would just serve as a for

Slowing down legitimate MTAs

2011-10-17 Thread Maria Arrea
Hello. Our mailboxes box is a RHEL 5.7 x64 running postfix 2.3.3 . We also have a system (out of control) running mailman that send us a lot of messages in a short amount of time (23.000 messages of 16KB in 2-3 minutes). We want to slow down that mailing list box. I have been reading about "Po