2010.07.19 12:19 Jimmy Spam rašė: > Hi, > > I manage an only domain, with +-250 users. Sometimes, the MX handle up > to 3300 smtp sessions > > (netstat -an | grep ":25" | wc -l). > > I have two MX, but only one work at productions same time. > > I post recently a mail to this list about SYN_RECV connections. This > problem only happen when I use my "qmail > based" MX. > > In my qmail based MX, I've set a concurrency of 200, and I have the > problem of SYN_RECV status. If I increase the concurrency limit, the > system is too slow when I received thousand of spam. > > But in my "kaspersky mail gateway based" MX, this problem doesn't > happen (it can manage thousand of smtp connections without problem!, > ex: 3300smtp sessions). > > Have you any advice for me?
Which program is used for antivirus/spam scanning in qmail setup? List of used DNS RBL filters? -- Tomas
