Re: smtpd_proxy_filter (before-queue) per domain?

2012-09-11 Thread KSB
On 2012.09.10. 16:46, Wietse Venema wrote: They just read it from the victim's mail folder. Simson Garfinkel collected hundreds of second-hand disk drives, and a good way to identify the user of the disk was to look for the most frequent email address.

Re: smtpd_proxy_filter (before-queue) per domain?

2012-09-11 Thread Wietse Venema
KSB: On 2012.09.10. 16:46, Wietse Venema wrote: They just read it from the victim's mail folder. Simson Garfinkel collected hundreds of second-hand disk drives, and a good way to identify the user of the disk was to look for the most frequent email address.

Re: smtpd_proxy_filter (before-queue) per domain?

2012-09-11 Thread KSB
On 2012.09.11. 13:56, Wietse Venema wrote: Your specialized niche problem is not in the 90% of the problem space that Postfix solves. Postfix does not have to solve all problems. Wietse So You suggest to stick with other MTA? __ KSB

Re: smtpd_proxy_filter (before-queue) per domain?

2012-09-11 Thread Wietse Venema
KSB: On 2012.09.11. 13:56, Wietse Venema wrote: Your specialized niche problem is not in the 90% of the problem space that Postfix solves. Postfix does not have to solve all problems. So You suggest to stick with other MTA? Yes. I am perfectly happy when Postfix solves 90% well.

Re: smtpd_proxy_filter (before-queue) per domain?

2012-09-11 Thread KSB
On 2012.09.11. 15:20, Wietse Venema wrote: Yes. I am perfectly happy when Postfix solves 90% well. Especially because those 90% are not just the easy problems. Wietse I like Posftix so this is a hard decision to switch to other MTA to not have to cut down features for clients...

Re: smtpd_proxy_filter (before-queue) per domain?

2012-09-11 Thread Bastian Blank
On Tue, Sep 11, 2012 at 03:54:52PM +0300, KSB wrote: On 2012.09.11. 15:20, Wietse Venema wrote: Yes. I am perfectly happy when Postfix solves 90% well. Especially because those 90% are not just the easy problems. I like Posftix so this is a hard decision to switch to other MTA to not have to

Re: smtpd_proxy_filter (before-queue) per domain?

2012-09-10 Thread KSB
On 2012.09.06. 20:30, Wietse Venema wrote: Christian Rohmann: Hey postfix-users and -abusers, is there a postfix way to make use of a map (domain based) for the selection of a (before-queue) smtpd_proxy_filter? The idea is to send And how would that work? One email message can have multiple

Re: smtpd_proxy_filter (before-queue) per domain?

2012-09-10 Thread /dev/rob0
On Mon, Sep 10, 2012 at 02:52:44PM +0300, KSB wrote: On 2012.09.06. 20:30, Wietse Venema wrote: Christian Rohmann: is there a postfix way to make use of a map (domain based) for the selection of a (before-queue) smtpd_proxy_filter? The idea And how would that work? One email message can

Re: smtpd_proxy_filter (before-queue) per domain?

2012-09-10 Thread Wietse Venema
KSB: What about per domain stmpd_proxy_filter based on SENDER domain, to skip filter for some domains? What about allowing spammers to change the spamfilter by changing the MAIL FROM command? Wietse

Re: smtpd_proxy_filter (before-queue) per domain?

2012-09-10 Thread KSB
On 2012.09.10. 15:33, Wietse Venema wrote: What about allowing spammers to change the spamfilter by changing the MAIL FROM command? Wietse It's already ip subnets and/or smtp-auth filtered(outgoing stmp), but if client gets infected, it is very unlikely, such spam-sender-robot

Re: smtpd_proxy_filter (before-queue) per domain?

2012-09-10 Thread Wietse Venema
Wietse: What about allowing spammers to change the spamfilter by changing the MAIL FROM command? KSB: client gets infected, it is very unlikely, such spam-sender-robot will set right whitelisted-sender domain. They just read it from the victim's mail folder. Simson Garfinkel collected

Re: smtpd_proxy_filter (before-queue) per domain?

2012-09-10 Thread Ralf Hildebrandt
* Wietse Venema wie...@porcupine.org: Simson Garfinkel collected hundreds of second-hand disk drives, and a good way to identify the user of the disk was to look for the most frequent email address. http://www.dfrws.org/2006/proceedings/10-Garfinkel.pdf That was one awesome talk he did there

smtpd_proxy_filter (before-queue) per domain?

2012-09-06 Thread Christian Rohmann
Hey postfix-users and -abusers, is there a postfix way to make use of a map (domain based) for the selection of a (before-queue) smtpd_proxy_filter? The idea is to send some domains through a certain smtpd_proxy_filter and maybe skip the filter for others alltogether. I do understand that

Re: smtpd_proxy_filter (before-queue) per domain?

2012-09-06 Thread Wietse Venema
Christian Rohmann: Hey postfix-users and -abusers, is there a postfix way to make use of a map (domain based) for the selection of a (before-queue) smtpd_proxy_filter? The idea is to send And how would that work? One email message can have multiple recipients in different domains. If you