More is ending up in the inboxes. Here are the headers from one that made it to my inbox:

X-Virus-Scanned: amavisd-new at myserver
X-Spam-Flag: NO
X-Spam-Score: 6.392
X-Spam-Level: ******...

The only file I have modified manually is /opt/zimbra/postfix/conf/master.cf to enable the alternate SMTP port. Here is the content of my salocal.cf file:

header DSPAM_SPAM X-DSPAM-Result =~...

I recently upgraded Zimbra from 6.0.4 to 6.0.5. I did not change any settings during the upgrade. However, the amount of Spam reaching users' inboxes has increased noticeably. Is there something...

Alright, I seem to have solved the problem, but I'm not sure of the original cause. I told Zimbra to flush its message queues, and bandwidth usage dropped drastically afterwards. Perhaps a large...

Hi,

I've been monitoring the network traffic on our Zimbra (open source) server for a while now, and there has been at least 0.5 Mbit/sec of traffic going out the external network interface (eth0)...