what this kernel error means?

I am make some tests on one linux server and this errors appears 2 times crashing my server: Kernel: Unable to handle kernel paging request at virtual address XX and alot of other stuffs.. But this erros just happened 2 times and not appear more on the serves ?? Ah, the test I was running

what this message means? is any allert?

what this message means? is any allert? May 16 14:53:29 server named[487]: lame server on '36.50.17.200.in-addr.arpa' (in '50.17.200.in-addr.arpa'?): 200.17.50.35#53 tks -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]

What this named log means?

this messages happened on my messages file: named[487]: lame server on '146.73.163.200.in-addr.arpa' (in '73.163.200.in-add.arpa'?): 200.199.252.68#53 what this lame server means? tkx -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL

problem with pop3

Hi guys, I am having one problem with pop3, I am using ipop3d and its working fine to receive messges from my local clients(in my LAN). But when i try to get messages from external client(remote notebooks with dialup connection to Internet using normal ISP) the connection is too slow, i can't

about some messages on my maillog

Hi guys I am having some messages on my maillog that I want to know if those messages was a problem ok first is that: ipop3d[14378]: Command stream end of file while reading line user=username host=[external ip] second is that: May 13 09:11:34 server sendmail[14298]: NOQUEUE: [external ip] did

How I can limit anexed file on sendmail?

How I can limit the size of anexed files on sendmail? tkx -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]

is this an attack on my sendmail?

hi guys in my maillog I am receiving many strange message on sendmail like that: May 10 18:52:50 xserver sendmail[]: g4AIRfa02119: to=[EMAIL PROTECTED], ctladdr=one of my user mail (638/45), delay=03:25:09, xdelay=00:00:00, mailer=esmtp, pri=607606, relay=company.com., dsn=4.0.0,

Filtering users emails on server

Hi guys, I like to know how i can filtering users email on server like that: I have a smtp+pop3 server and need to Deny some users(or user group) to email anothers(group or groups) on tha same server. I know there was one way to do this, but I dont know if this way use a firewall or pop3 confs.