I've got a ZCS OS 7.1.4 multiserver installation with MTA and LDAP+MAILBOX in Ubuntu Server 10.04TLS.

I'm getting mad with SpamAssassin because always delays my emails up to 20 seconds. It doesn't matter that they are internal or external.

I get to this conclusion deactivating antispam service from the MTA server and watching at /var/log/zimbra.log

I'm not able to figure out why is this happened.

Does anyone could help me please?

Thank you very much in advanced.