Excessive Swapping

Gregory Wong gwong at linktechit.com
Mon Apr 7 22:29:51 IST 2008

Hi everyone,

I have a server that has 256MB of RAM. It is running Postfix, MS, MailScanner-MRTG on Ubuntu Server. I have noticed recently that it has been swapping a lot.

             total       used       free     shared    buffers     cached
Mem:           256        204         51          0          0         18
-/+ buffers/cache:        185         70
Swap:          511        152        359

I am looking to implement MailWatch but am concerned that the server doesn't have an adequate amount of memory. Is this excessive swapping normal? Should I be upgrading the RAM?

Also, my company got hit on Saturday with nearly 1600 spam messages (which is unusual since we only get about 200-300 spam per day). Besides running MS and the default SA rules, what other things do you recommend I configure to help combat the spam?

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