Performance Drop?

[Ugo Bellavance]

>-----Message d'origine-----
>De : Max Kipness [mailto:mkipness at GENIANT.COM]
>Envoyé : 13 avril, 2004 07:06
>À : MAILSCANNER at JISCMAIL.AC.UK
>Objet : Performance Drop?
>
>
>Hi,
> 
>I've noticed a severe drop in performance as of late. One thing to note
>is that when looking through the log there will generally be up to 40
>messages being batched together. In the past I remember there 
>just being
>a couple. There are two things that I can think of that may be causing
>the problem but wanted to confirm.
> 
>1. Does it effect performance by having too many entries in the
>blacklist? Currently I have 950 and it's growing as I've allowed users
>to blacklist through an automated mailer script.
> 
>2. Checking several RBLs via MailScanner, and also checking RBLs via
>SpamAssassin. Do I need to only allow one to do them?

It depends on your strategy, but it can slow down your system if you have dns resolution problem. Make sure you use a dns caching nameserver locally.

> 
>Other than that is there anything to look for? Again, this 
>just happened
>recently.

maybe have a look here http://www.mailscanner.biz/maq/#optimize

> 
>Thanks,
>Max
>