Re: Architecture design for frontend postfix server

2011-11-09 Thread Patrick Ben Koetter
* bsd : > > Le 9 nov. 2011 à 14:24, Patrick Ben Koetter a écrit : > > > * bsd : > >>> Good idea. Reject any message that can't be delivered immediately. That's > >>> cheap. It takes place in the SMTP session before the payload has been > >>> sent and > >>> before a content filter, such as amavis

Re: Architecture design for frontend postfix server

2011-11-09 Thread bsd
Le 9 nov. 2011 à 14:24, Patrick Ben Koetter a écrit : > * bsd : >>> Good idea. Reject any message that can't be delivered immediately. That's >>> cheap. It takes place in the SMTP session before the payload has been sent >>> and >>> before a content filter, such as amavis, does ressource intensi

Re: Architecture design for frontend postfix server

2011-11-09 Thread Patrick Ben Koetter
* bsd : > > Good idea. Reject any message that can't be delivered immediately. That's > > cheap. It takes place in the SMTP session before the payload has been sent > > and > > before a content filter, such as amavis, does ressource intensive filtering. > > Shall I do that using the "Postfix Befo

Re: Architecture design for frontend postfix server

2011-11-09 Thread bsd
Le 9 nov. 2011 à 11:43, Patrick Ben Koetter a écrit : > * bsd : >> I am trying to figure out what is the best solution in order to filter >> incoming e-mail on a front-end relay server quite heavily loaded (100.000 >> messages / day). > > Even if you assume that all those messages will be sent

Re: Architecture design for frontend postfix server

2011-11-09 Thread Nerijus Kislauskas
On 11/09/2011 12:09 PM, bsd wrote: > If the answer is positive, should I use the "local_recipient_maps" parameter > or is there another more efficient method to be used ? I guess the answer is "relay_recipient_maps", because your first postfix instance is a SMTP relay server. Indeed, we have a

Re: Architecture design for frontend postfix server

2011-11-09 Thread postfix
Hi we use here since ages virtual_mailbox_domains = proxy:ldap:/etc/postfix/ldap-domain.cf and if that is positive (i.e. the domain is local) virtual_alias_maps = proxy:ldap:/etc/postfix/ldap-alias.cf with virtual_transport = virtual suomi On 2011-11-09 11:43, Patrick Ben Koetter wrote: * bsd:

Re: Architecture design for frontend postfix server

2011-11-09 Thread Patrick Ben Koetter
* bsd : > I am trying to figure out what is the best solution in order to filter > incoming e-mail on a front-end relay server quite heavily loaded (100.000 > messages / day). Even if you assume that all those messages will be sent within 8 hours (business time) it will boil down to ~ 3.5 msg/sec

Architecture design for frontend postfix server

2011-11-09 Thread bsd
Hello folks, I am trying to figure out what is the best solution in order to filter incoming e-mail on a front-end relay server quite heavily loaded (100.000 messages / day). We are using LDAP querry in amavisd-new in order to check if the e-mail account exists in our LDAP DB. Internet