Re: server stops responding / smtpd client count

2010-05-04 Thread Nataraj
P.A wrote: Nataraj, thanks for the reply, below is the postconf -n output. As far as your explanation as to why the other services are slow, pop/imap, it may be that the TCP stack is under heavy load and might slow down these connections but the server CPU/MEM are fine and the connections are in

RE: server stops responding / smtpd client count

2010-05-04 Thread P.A
= hash:/etc/postfix/virtdoms virtual_alias_maps = hash:/etc/postfix/virtmaps -Original Message- From: Wietse Venema [mailto:wie...@porcupine.org] Sent: Tuesday, May 04, 2010 12:35 PM To: P.A Cc: postfix-users@postfix.org Subject: Re: server stops responding / smtpd client count P.A: >

RE: server stops responding / smtpd client count

2010-05-04 Thread P.A
-us...@postfix.org] On Behalf Of Nataraj Sent: Tuesday, May 04, 2010 12:40 PM To: P.A; postfix-users@postfix.org Subject: Re: server stops responding / smtpd client count P.A wrote: > > Hi > > during times of high mail load, spam attacks usually, I sometimes run > into an issue whe

Re: server stops responding / smtpd client count

2010-05-04 Thread Nataraj
P.A wrote: Hi during times of high mail load, spam attacks usually, I sometimes run into an issue where postfix will stop responding or becomes extremely slow on the stmp port. In turn this causes my pop/imap server (dovecot) to stop responding or to become extremely slow as well. When I s

Re: server stops responding / smtpd client count

2010-05-04 Thread Wietse Venema
P.A: > Hi > > > > during times of high mail load, spam attacks usually, I sometimes run into > an issue where postfix will stop responding or becomes extremely slow on the > stmp port. In turn this causes my pop/imap server (dovecot) to stop > responding or to become extremely slow as well. >

server stops responding / smtpd client count

2010-05-04 Thread P.A
Hi during times of high mail load, spam attacks usually, I sometimes run into an issue where postfix will stop responding or becomes extremely slow on the stmp port. In turn this causes my pop/imap server (dovecot) to stop responding or to become extremely slow as well. When I stop postfix,