Re: how to configure Postfix/DNS to avoid being considered a spammer

2014-02-07 Thread li...@rhsoft.net
Am 07.02.2014 22:51, schrieb LuKreme: > On 07 Feb 2014, at 09:16 , li...@rhsoft.net wrote: >> Am 07.02.2014 16:26, schrieb LuKreme: >>> On 07 Feb 2014, at 01:12 , Stefan Michael Guenther >>> wrote: >>> The problem is, that our client wants to send emails with the sender domains of his

Re: how to configure Postfix/DNS to avoid being considered a spammer

2014-02-07 Thread LuKreme
On 07 Feb 2014, at 09:16 , li...@rhsoft.net wrote: > Am 07.02.2014 16:26, schrieb LuKreme: >> On 07 Feb 2014, at 01:12 , Stefan Michael Guenther >> wrote: >> >>> The problem is, that our client wants to send emails with the sender >>> domains of his clients from his own postfix server. >> >> T

Re: how to configure Postfix/DNS to avoid being considered a spammer

2014-02-07 Thread li...@rhsoft.net
Am 07.02.2014 16:26, schrieb LuKreme: > On 07 Feb 2014, at 01:12 , Stefan Michael Guenther > wrote: > >> The problem is, that our client wants to send emails with the sender domains >> of his clients from his own postfix server. > > There is no legitimate reason to do this. In fact, my serve

Re: how to configure Postfix/DNS to avoid being considered a spammer

2014-02-07 Thread LuKreme
On 07 Feb 2014, at 01:12 , Stefan Michael Guenther wrote: > The problem is, that our client wants to send emails with the sender domains > of his clients from his own postfix server. There si no legitimate reason to do this. In fact, my servers (and I suspect many servers) block all email fro

Re: how to configure Postfix/DNS to avoid being considered a spammer

2014-02-07 Thread Wietse Venema
Patrick Ben Koetter: > * Stefan Michael Guenther : > > Hello, > > > > one of our clients wants to offer mass mailing services for his clients. > > > > The problem is, that our client wants to send emails with the sender domains > > of his clients from his own postfix server. > > 1. Make sure the

Re: how to configure Postfix/DNS to avoid being considered a spammer

2014-02-07 Thread Patrick Ben Koetter
* Stefan Michael Guenther : > Hello, > > one of our clients wants to offer mass mailing services for his clients. > > The problem is, that our client wants to send emails with the sender domains > of his clients from his own postfix server. 1. Make sure the sending server has matching forward/re

how to configure Postfix/DNS to avoid being considered a spammer

2014-02-07 Thread Stefan Michael Guenther
Hello, one of our clients wants to offer mass mailing services for his clients. The problem is, that our client wants to send emails with the sender domains of his clients from his own postfix server. As far as I know, some anti spam measure rely on the check, whether the sending e-mailserver