But still I have not found where the time spent between the socket is
established and courier respond with "220 <server> Ready". 
 
Can you give me some advice or hint ?
/Lars

  _____  

From: Holmstr�m Lars
Sent: Mon 2/16/2004 7:38 AM
To: Mitch (WebCob); Holmstr�m Lars; [EMAIL PROTECTED]
Subject: RE: [courier-users] delay in HELO response


I added some loggin to couriertcpd in order to understand where the time is
spent. So far I found out that 50% of my problem was related to the
BLACKLIST statement in esmtpd.
 
I have run with a certain configuration for the last 10 months but suddenly
some of the servers listed in BLACKLIST has increased their responsetime.
Obviously the BLACKLIST check is also done for local clients, which was
exactly why some of my users complained.
 
I have the following suggestions:
 
1) It would be useful to being able to exclude a netblock or certain
addresses from the BLACKLIST checking. Like in my case, all users sits
together with the mailserver behind a NAT/PAT box. I do not see any reason
for asking ordb for a RFC1918 address.
 
2) In order to find this problem it would have been very useful to being
able to add some timing information to the maillog for how long time things
actually takes, instead of only when a certain activity started. I am
thinking of a kind of verbose level in the logging. This may for example be 
 
DNS lookup - 10 ms
Ident lookup - 50 ms
BLACKLIST lookup 237000 ms
 
etc.
 
/Lars


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