Re: Stop spammers sending us spam from users in our domain...

2009-08-01 Thread mouss
Matthew D. Fuller a écrit : > On Wed, Jul 29, 2009 at 03:03:43PM +0100 I heard the voice of > Clunk Werclick, and lo! it spake thus: >> My apologies for the terse caveat. As I understand it, there are >> some external mail services that roaming users may use that forward >> mail into your Postfix c

Re: Stop spammers sending us spam from users in our domain...

2009-07-29 Thread Matthew D. Fuller
On Thu, Jul 30, 2009 at 12:33:17AM -0400 I heard the voice of Charles Sprickman, and lo! it spake thus: > > Is there any good way to block this crap without breaking things? Well, I'd feel pretty safe in saying "absolutely not". You'll probably always break _something_. Just insisting peers act

Re: Stop spammers sending us spam from users in our domain...

2009-07-29 Thread Charles Sprickman
On Wed, 29 Jul 2009, Matthew D. Fuller wrote: On Wed, Jul 29, 2009 at 03:03:43PM +0100 I heard the voice of Clunk Werclick, and lo! it spake thus: My apologies for the terse caveat. As I understand it, there are some external mail services that roaming users may use that forward mail into your

Re: Stop spammers sending us spam from users in our domain...

2009-07-29 Thread Sahil Tandon
On Wed, 29 Jul 2009, Matthew D. Fuller wrote: > On Wed, Jul 29, 2009 at 03:03:43PM +0100 I heard the voice of > Clunk Werclick, and lo! it spake thus: > > > > My apologies for the terse caveat. As I understand it, there are > > some external mail services that roaming users may use that forward >

Re: Stop spammers sending us spam from users in our domain...

2009-07-29 Thread Matthew D. Fuller
On Wed, Jul 29, 2009 at 03:03:43PM +0100 I heard the voice of Clunk Werclick, and lo! it spake thus: > > My apologies for the terse caveat. As I understand it, there are > some external mail services that roaming users may use that forward > mail into your Postfix claiming to be from your domain. M

RE: Stop spammers sending us spam from users in our domain...

2009-07-29 Thread Nick Sharp
> -Original Message- > From: owner-postfix-us...@postfix.org [mailto:owner-postfix- > us...@postfix.org] On Behalf Of Brian Evans - Postfix List > Sent: Wednesday, July 29, 2009 11:46 PM > To: Postfix users > Subject: Re: Stop spammers sending us spam from u

Re: Stop spammers sending us spam from users in our domain...

2009-07-29 Thread Brian Evans - Postfix List
Clunk Werclick wrote: > My apologies for the terse caveat. As I understand it, there are some > external mail services that roaming users may use that forward mail into > your Postfix claiming to be from your domain. Myself I do not use this. > Relations in England talk of this with Blackberry and

RE: Stop spammers sending us spam from users in our domain...

2009-07-29 Thread Nick Sharp
> -Original Message- > From: Clunk Werclick [mailto:clunk.wercl...@wibblywobblyteapot.co.uk] > Sent: Wednesday, July 29, 2009 11:34 PM > To: Nick Sharp > Cc: 'postfix-users' > Subject: RE: Stop spammers sending us spam from users in our domain... > >

RE: Stop spammers sending us spam from users in our domain...

2009-07-29 Thread Clunk Werclick
On Wed, 2009-07-29 at 23:26 +0930, Nick Sharp wrote: > > > > > This is how I block those pesky spoof mail spams; > > > > EDIT main.cf > > smtpd_recipient_restrictions = > > permit_mynetworks > > permit_sasl_authenticated > > reject_unauth_destination > > > >

RE: Stop spammers sending us spam from users in our domain...

2009-07-29 Thread Nick Sharp
> > > This is how I block those pesky spoof mail spams; > > EDIT main.cf > smtpd_recipient_restrictions = > permit_mynetworks > permit_sasl_authenticated > reject_unauth_destination > > check_sender_access hash:/etc/postfix/spoofprotection > > > C

RE: Stop spammers sending us spam from users in our domain...

2009-07-29 Thread Nick Sharp
ostfix-us...@postfix.org [mailto:owner-postfix- > us...@postfix.org] On Behalf Of Brian Evans - Postfix List > Sent: Wednesday, July 29, 2009 11:06 PM > To: Postfix users > Subject: Re: Stop spammers sending us spam from users in our domain... > > Nick Sharp wrote: > > Hi all,

Re: Stop spammers sending us spam from users in our domain...

2009-07-29 Thread Clunk Werclick
On Wed, 2009-07-29 at 22:22 +0930, Nick Sharp wrote: > Hi all, > > I am new to this list, so forgive me if I am not up with your current level > of etiquette, I do tune in pretty quickly.. so starting with a long email.. > > Been trying to stop people sending email to us setting FROM as a user in

Re: Stop spammers sending us spam from users in our domain...

2009-07-29 Thread Brian Evans - Postfix List
Nick Sharp wrote: > Hi all, > > I am new to this list, so forgive me if I am not up with your current level > of etiquette, I do tune in pretty quickly.. so starting with a long email.. > Welcome to the list. Unfortunately, you seem to have missed the important line in the Welcome Message: "TO

Stop spammers sending us spam from users in our domain...

2009-07-29 Thread Nick Sharp
Hi all, I am new to this list, so forgive me if I am not up with your current level of etiquette, I do tune in pretty quickly.. so starting with a long email.. Been trying to stop people sending email to us setting FROM as a user in our domains. Seems basic enough spam limitation. It seems if I