Hi there,
antispam server is in dmz, emails are sent to antispam server thru postfix on firewall. The firewall is for incoming emails from local network and from internet. Firewall send emails to antispam server. This server serves as an outgoing server too. I email isn't outgoing to the internet, this server send the email to another server - email server:

(incoming SMTP server)->(DMZ antispam server+outgoing)->(DMZ email server for our users)
LAN /       \NET

SA has defined an internal network, so emails from inside are trustworthy. And I use DKIM for signing internal emails (firewall signs all emails from local and dmz zone), so it is not possible to filter email as a spam from a local or dmz zone.

  J.Karliak.


Cituji Dirk Bonengel <dirk.bonen...@gmx.de>:



Am 03.04.2013 15:50, schrieb Matus UHLAR - fantomas:
On 03.04.13 10:58, Dirk Bonengel wrote:
Are those your users sending lots of mails? Then what is the point in submitting them to SpamAssassin? Bypassing SA might save your lots of trouble (and ressources)

scanning outgoing mail by SA can save companies from problems when their
users start spamming.  While many tests (mostly those related to blacklists)
in such case do not work much, it still can help.
The question is: Is this wanted here? The original poster mentions users sending out 800 mails at once. I take it they're not spamming.
On this assumption I'd recommend bypassing SA/spamd for outgoing mails.






--
Ma domena pouziva zabezpeceni a kontrolu SPF (www.openspf.org) a
DomainKeys/DKIM (with ADSP) . Pokud mate problemy s dorucenim emailu,
zacnete pouzivat metody overeni puvody emailu zminene vyse. Dekuji.
My domain use SPF (www.openspf.org) and DomainKeys/DKIM (with ADSP)
policy and check. If you've problem with sending emails to me, start
using email origin methods mentioned above. Thank you.

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