Question on reducing load on MailScanner machine
MailScanner at ecs.soton.ac.uk
Thu Jun 25 19:50:47 IST 2009
Do it by having several MX servers with the same priority, or an MX
record pointing to multiple A records, each running MailScanner.
Sharing a queue between several MailScanner servers is fraught with
On 25/06/2009 19:37, Christopher Fisk wrote:
> I saw a similar post in the archives recently, but the discussion didn't go very far.
> I'd like to expand the question a bit.
> Lets assume I have a single server handling MailScanner (& SA& ClamAV) and the postfix/courier servers.
> The MailScanner queue is reaching 300+ at times, giving a short delay between the server receiving the message and MailScanner scanning it.
> If I were to NFS/SMB mount both the MailScanner install directory and the hold queue directory from another machine and startup another MailScanner process, will I run into issues where both MailScanners are trying to scan the same messages and cause problems? Or would MailScanner be smart enough to know that another MailScanner process is scanning a given message?
> This is on Linux 2.6 and ext3. Filesystems and kernel versions can be changed as needed.
> I have a few extra servers I can quickly put in place and would rather do that than purchasing an entire new server for this.
> The MailScanner book doesn't have any information on this type of configuration unfortunately.
> Christopher Fisk
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