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[courier-users] Intermittent esmtpd failures

This is a discussion on [courier-users] Intermittent esmtpd failures within the Courier-Imap forums, part of the Mail Servers and Related category; I guess my last question didn't make much sense, as I did not get any reply. I'll try ...


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Old 09-22-2005
Mark Bucciarelli
 
Posts: n/a
Default [courier-users] Intermittent esmtpd failures

I guess my last question didn't make much sense, as I did not get any
reply. I'll try again, rephrasing it ...

Given:

- a valid user

- using the same email client

- a stable network connection between client and server

- the Courier software is behaving as expected

Then:

- scarcity of tcp connection slots is the only reason why the mail
client could not be able to connect to the tcp daemon running esmtdp?

- turning off dnslookups speeds the esmtpd logic making it less likely
to hit this scarcity

Correct?

By scarcity, I include the calculations the tcp deamon does re: IP,
class C network, and number of processes.

Last question: can Courier be configured to log a message when the tcp
connection slots are filled and it has to reject a connection?

Thanks,

m



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