your load is very high

you're using spamassassin ?


Itamar Reis Peixoto

e-mail/msn: [EMAIL PROTECTED]
skype: itamarjp
icq: 81053601
+55 11 4063 5033
----- Original Message ----- From: "João Luiz - Terra" <[EMAIL PROTECTED]>
To: <>
Sent: Sunday, October 07, 2007 1:09 AM
Subject: Re: [vchkpw] qmail high performance

Hi Tren,

Sorry. My english is not good :).

My server is dual xeon 2.4 with 2 Gb RAM and HD SCSI 73 Gb.
I have problems with delivery delay when my server is with many connections POP3 and SMTP. I use isoqlog to analyze my email traffic, but I don´t have stats of POP3 and connections with my SMTP (RBL, no delivery, ...). Exists any software to analyze POP3 and SMTP log?
When my server is slow, I have:
SMTP concurrent: 40 - 50
POP3 concurrent: 20 - 30
Load Average: 30 - 40

I have many SMTP connections with "not existing recipient".

My server was very good. Between last monday and last friday it is very slow.
How can I identify a possible attack?

Thank you

----- Original Message ----- From: "Tren Blackburn" <[EMAIL PROTECTED]>
To: <>
Sent: Saturday, October 06, 2007 8:02 PM
Subject: RE: [vchkpw] qmail high performance

Hi Joao;

From: João Luiz - Terra [mailto:[EMAIL PROTECTED]
Sent: Saturday, October 06, 2007 3:22 PM
Subject: [vchkpw] qmail high performance


I am working with qmail toaster by
Is it the better performance instalation?

My server is very slowly :(

You'll need to give something specific here. Bill Shupps Toaster is widely popular. I use it myself and have no issues with performance. What are the specifications of the hardware you've implemented it on. What specifically is performing slow? Is there anything else on this server? Approximately how many mailboxes are housed on this server? How many deliveries per second/minute/hour/day (whatever is easiest to convey) and do you have any idea what your peak concurrent deliveries are? You need to provide as much information as possible before asking such a general question.



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