I have installed the qmailconcurrencyremote rpm on one of my e-smith boxes 
and it worked fine when I was running it on the testing server, however now 
it is on a production box I have noticed the following in the mail log 
analysis:



Reasons for deferral

One line per reason for deferral. Information on each line:
* del is the number of deliveries that ended for this reason.
* xdelay is the total xdelay on those deliveries.

del    xdelay  reason
594   2301.21  Connected to x.x.x.x but greeting failed./Remote host said: 
421 smtp.server.myisp.com: Too many concurrent SMTP connections from one IP 
address; please try again later./




The reason I stumbled accros this is because there were still seven messages 
in the queue after a dailup had occurred. Looking through the 
/var/log/qmail/current log it looks like qmail tries to simultaneously create 
a smtp connection for each message in the queue. Is this true and is there a 
way to alter this behaviour to do things in serial rather than parallel, or 
can set the maximum number of concurrent smtp connections anywhere (to 3 in 
this case as it looks like that is the maximum my isp allows)?

Kees

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